1990 BMW 525i Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 1990 BMW 525is

Carquest – Fuel Injector (Part No.67330)

Fuel Injector

from

$145.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Stainless steel calibration slide and spring assembly prevents corrosion within the fuel control body leading to an extended service life
  • Precision wound and trimmed solenoid windings allow the computer to command efficient delivery of fuel
  • High-temp Viton O-rings enable prolonged sealing of injector under extreme heat conditions
  • Fiber optic yttrium aluminum garnet “YAG” laser welding and 100 million cycle testing ensure quality in every box
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment and aftermarket fuel injection products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-1195)

Remanufactured Fuel Injector

from

$44.49
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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Pierburg – Electric Fuel Pump (Part No.E300065558APG)

Electric Fuel Pump

from

$523.86
PIERBURG Fuel Pumps excel through their highly developed technology, optimum pumping characteristics when hot, and their low noise level. For over 80 years PIERBURG has been a leading manufacturer of fuel pumps for European vehicles

Product Features:
  • Made in Europe – 100% from OE factories and thus OE Standard
  • Optimal hot fuel supply properties and low noise level
  • Online Service and Product Information
  • Provides OE performance and dependability Installation Note: To avoid future warranties clean tank and change fuel filter when installing a new pump
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Delphi – Fuel Pump Module Assembly: Without Float Arm, Includes Seals (Part No.FG1177)

Fuel Pump Module Assembly: Without Float Arm, Includes Seals

from

$373.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Lower amperage draws less load on vehicle’s electrical system
  • Part is validated, tested and matched to the right vehicle application
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Lower failure rates due to its innovative design and durability
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10302)

Fuel Injection Pressure Regulator

from

$84.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
See More

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1031)

Fuel Injection Pressure Regulator

from

$69.99
Fuel Injection Pressure Regulator

Elring – Fuel Injector Seal (Part No.C1010250098ELR)

Fuel Injector Seal

from

$6.73
Fuel Injector Seal

Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
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Rein – Breather Hose Kit (Part No.ABK0129)

Breather Hose Kit

from

$116.99
Rein Automotive OE quality breather hose kits fit European vehicles the way the original manufacturer intended. Designed to be direct replacements, all components of the Rein Breather Hose kits are identical to the OEM.

Product Features:
  • Provides all needed components to replace the crankcase breather valve.
  • Manufactured with high quality materials.
  • Direct fit components for easy installation.
  • Matches original equipment design specifications.
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Rein – Automotive Engine Crankcase Breather Hose (Part No.B2010269826RIN)

Automotive Engine Crankcase Breather Hose

from

$25.12
This OE quality breather hose is vehicle specific and a direct replacement for the original component. Rein automotive products provide you with the proper fit, form and function for European vehicles. With fitments for some of the world’s finest automobiles, including Audi, BMW, Mercedes Benz, Mini, Porsche, Saab, Volkswagen, and Volvo all Rein Automotive genuine replacement parts are guaranteed original manufacturer quality. Every part is manufactured with top quality materials to ensure it has the same tolerances as the part that came on the car to provide ease of installation and long lasting durability.

Product Features:
  • Original Equipment fit, form and function
  • Manufactured from premium raw materials
  • Premium OE design
  • Right fit the first time
  • For European vehicles
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Bosch – Oxygen Sensor: 4 Wire, 38.39" Long, Heated, Exact Fit (Part No.15680)

Oxygen Sensor: 4 Wire, 38.39" Long, Heated, Exact Fit

from

$154.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
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Bosch – Bosch Oxygen Sensor (Part No.C5010316668BOS)

Bosch Oxygen Sensor

from

$177.54
The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)

Multi-Purpose Wire Connector with Leads

from

$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Elring – Fuel Injector Seal (Part No.C1010681908ELR)

Fuel Injector Seal

from

$2.51
Fuel Injector Seal

Bosch – Fuel Pressure Regulator O-Ring (Part No.C3002290581BOS)

Fuel Pressure Regulator O-Ring

from

$4.83
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket. 5mm x 1.5mm
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Bosch – Fuel Injector Seal (Part No.C101016838BOS)

Fuel Injector Seal

from

$2.06
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket.
See More

Carquest Premium – Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10810)

Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$9.49
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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Rein – OE Quality Automotive Fuel Tank Cap (Part No.E2010379639RIN)

OE Quality Automotive Fuel Tank Cap

from

$42.91
This is an OE quality fuel cap. Rein automotive products provide you with the proper fit, form and function for European vehicles. With fitments for some of the world’s finest automobiles, including Audi, BMW, Mercedes Benz, Mini, Porsche, Saab, Volkswagen, and Volvo all Rein Automotive genuine replacement parts are guaranteed original manufacturer quality. Every part is manufactured with top quality materials to ensure it has the same tolerances as the part that came on the car to provide ease of installation and long lasting durability.

Product Features:
  • Original Equipment fit, form and function
  • Manufactured from high quality materials
  • Right fit the first time
  • O ring is black in color
  • For European vehicles
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Carquest Premium – Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10582)

Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack

from

$19.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

Original Equipment – AMBIENT TEMP SENSOR (Part No.P4025449414OEA)

AMBIENT TEMP SENSOR

from

$53.39
AMBIENT TEMP SENSOR

APA/URO Parts – Ambient Temp Sensor (Part No.P4025743812APA)

Ambient Temp Sensor

from

$45.16
Ambient Temp Sensor

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1098)

Ambient Air Temperature Sensor

from

$39.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Vemo – Ambient Temp Sensor (Part No.P4025449414VMO)

Ambient Temp Sensor

from

$36.65
Ambient Temp Sensor

Upgrade your 1990 BMW 525i with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1990 BMW 525i, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your BMW or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your 525i functioning at its best. At Advance Auto Parts, we offer a wide selection of 25 Fuel and Emissions Systems for the 1990 BMW 525i, designed to meet your needs without breaking the bank. From Fuel Injector replacements to Gas Caps upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 1990 BMW 525i at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $2.06 to $523.86, with an average price of $77.54. Our 25 Fuel and Emissions Systems in stock come from 15 trusted brands, so you’re sure to find the right part for your 1990 BMW 525i without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1990 BMW 525i, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Carquest Premium, and more. Carquest Premium Fuel and Emissions Systems start at just $9.49 and boast an impressive 4 stars average rating from customers. With 4 customer reviews and counting, our 1990 BMW 525i Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1990 BMW 525i is always ready to roll. We’re committed to providing you with everything you need to keep your 525i in top shape, all in one place. Start shopping confidently below for your 1990 BMW 525i!

Best-Selling Fuel Injectors for 1990 BMW 525is

Enhance the driving experience in your BMW with 9 quality Fuel Injector components, starting at $2.06.

Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
See More

Delphi – Fuel Injection Pressure Regulator (Part No.FP10302)

Fuel Injection Pressure Regulator

from

$84.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
See More

Bosch – Port Fuel Injector (Part No.C1000400824BOS)

Port Fuel Injector

from

$71.99
Port Fuel Injection (PFI) is the world’s most widely used system for internal combustion engines and offers many advantages for engines with a low pressure output.

Product Features:
  • Low-pressure systems are less complex and more affordable than high-pressure systems
  • Robust combustion process tolerates lower-quality fuel
  • Maintenance-friendly design reduces the overhead for system diagnostics
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Carquest Premium – Reman Multi Port Fuel Injector (Part No.A212-1325)

Reman Multi Port Fuel Injector

from

$44.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
See More

Pierburg – Fuel Pressure Regula (Part No.C3000669652APG)

Fuel Pressure Regula

from

$244.84
The Pierburg Fuel Pressure Regulator is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Corrosion resistant housing material
  • Premium diaphragm materials for longer service life
  • Internal precision components maintain stable fuel pressure and ensure adequate fuel return
  • Meets or exceeds OEM specifications
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1021)

Fuel Injection Pressure Regulator

from

$75.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2105)

Remanufactured Fuel Injector

from

$46.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
See More

ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 2 O-Rings (Part No.217-3366)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 2 O-Rings

from

$3.29
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Bosch – Fuel Injector Seal (Part No.C101016838BOS)

Fuel Injector Seal

from

$2.06
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket.
See More

Most Popular 1990 BMW 525i Gas Caps

Customize your BMW with 4 Gas Caps products like Gas Caps, all priced under $37.46.

Carquest Premium – Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10810)

Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$9.49
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

Carquest Premium – Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10582)

Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack

from

$19.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

Febi-Bilstein – Fuel Tank (Gas) Cap (Part No.E201066969FEB)

Fuel Tank (Gas) Cap

from

$37.46
Febi Fuel Tank Caps are manufactured to meet OE quality, and performance for reliable operation.

Product Features:
  • Meets OE vehicle standards
  • Factory type retaining strap for user convenience
  • OE quality seal ensures fuel tank emissions are maintained preventing check engine warnings.
See More

Blau – FUEL TANK CAP (Part No.E20103268560BLA)

FUEL TANK CAP

from

$12.65
FUEL TANK CAP

Top Picks for 1990 BMW 525i Fuel Pumps

Upgrade BMW 525is with top-quality Fuel Pumps parts, including 2 OEM and aftermarket selections for your 1990 model.

Pierburg – Electric Fuel Pump (Part No.E300065558APG)

Electric Fuel Pump

from

$523.86
PIERBURG Fuel Pumps excel through their highly developed technology, optimum pumping characteristics when hot, and their low noise level. For over 80 years PIERBURG has been a leading manufacturer of fuel pumps for European vehicles

Product Features:
  • Made in Europe – 100% from OE factories and thus OE Standard
  • Optimal hot fuel supply properties and low noise level
  • Online Service and Product Information
  • Provides OE performance and dependability Installation Note: To avoid future warranties clean tank and change fuel filter when installing a new pump
See More

Delphi – Electric Fuel Pump and Strainer Set: 12V, With 2 Male Threaded Terminals, External Strainer (Part No.FE0530)

Electric Fuel Pump and Strainer Set: 12V, With 2 Male Threaded Terminals, External Strainer

from

$253.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
  • Improved pump performance as a result of Delphi’s innovative design and durability
  • Restores fast pressure performance and system integrity, translating to better pumping through less energy
  • Part is validated, tested and matched to the right vehicle application
  • When servicing the fuel system, always check the fuel filter for possible replacement
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Always replace the fuel strainer when doing a fuel pump repair
See More

In-Demand Oxygen Sensors for 1990 BMW 525is

Select from 3 premium Oxygen Sensors parts for your 1990 BMW 525i, with prices ranging from $104.99 to $122.99.

Bosch – Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal (Part No.15736)

Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal

from

$104.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
See More

Bosch – Oxygen Sensor: 4 Wire, 30.31" Long, Heated, Exact Fit (Part No.13109)

Oxygen Sensor: 4 Wire, 30.31" Long, Heated, Exact Fit

from

$122.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
See More

DENSO – Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-4200)

Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit

from

$107.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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Most Sold 1990 BMW 525i Air Flow Sensors

Explore our best-selling BMW parts for the 1990 525i among 2 OEM and aftermarket options starting from $16.79.

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)

Multi-Purpose Wire Connector with Leads

from

$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

APA/URO Parts – Ambient Temp Sensor (Part No.P4025743812APA)

Ambient Temp Sensor

from

$45.16
Ambient Temp Sensor

Top-Rated Fuel and Emissions Systems Brands For Your 1990 BMW 525i

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 1990 BMW 525is. Below you’ll find some of our best rated Fuel and Emissions Systems from Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 1990 525i start at just $9.49 and are rated as high as 4 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Premium 1990 BMW 525i Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1990 BMW 525i, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Fuel and Emissions Systems, specifically designed for the 1990 BMW 525i. With over 4 Carquest Premium brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $9.49, with an average price of just $30.32. Plus, with over 4 customer reviews and an average rating of 4 stars, you can trust that our Carquest Premium Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

Remanufactured Fuel Injector
from
$46.99
This product is not rated

Remanufactured Fuel Injector

“”

Reman Multi Port Fuel Injector
from
$44.99
This product is not rated

Reman Multi Port Fuel Injector

“”

Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
from
$9.49

(3)

Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

“But it works perfect and at a ⅓ of the price. Sweet”

FAQs for 1990 BMW 525i Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 1990 BMW 525is?

Out of 25 Fuel and Emissions Systems that fit 1990 BMW 525is, the following parts are the top sellers:

What’s the price range for 1990 BMW 525i Fuel and Emissions Systems?

Fuel and Emissions System prices for the 1990 BMW 525i start at $2.06 and go up to $523.86 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 1990 BMW 525i?

The average price for Fuel and Emissions Systems for the 1990 BMW 525i is $77.54. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other BMW 525i model years?

Yes, we currently carry Fuel and Emissions Systems for 13 model years of BMW 525is between 1989 and 2007. Fuel and Emissions Systems are bought most frequently for the following model years: 2007, 2006, 2005, 2004, 2003, 2002, 2001, 1995, and 1994.

What are the cheapest Fuel and Emissions Systems for my 1990 BMW 525i?

The cheapest 1990 BMW 525i Fuel and Emissions Systems we carry in stock are:

What types of Fuel and Emissions Systems do you sell for my 1990 BMW 525i?

Can I get help with 1990 BMW 525i Fuel and Emissions System orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about BMW Fuel and Emissions Systems and more.

What is your return policy for BMW 525i Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new BMW 525i Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.