BMW 525iT Fuel and Emissions Systems

Essential BMW 525iT Fuel and Emissions Systems

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

Ambient Temp Sensor

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$40.46
Ambient Temp Sensor

Bosch – Bosch Fuel Pressure Regulator (Part No.C3000241274BOS)

Bosch Fuel Pressure Regulator

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$38.77
An essential part of the Fuel System, the Fuel Pressure Regulators’ sole purpose is to maintain fuel pressure at a constant differential to manifold vacuum under all engine load conditions.

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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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

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$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
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Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1701)

Air Charge Temperature Sensor

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$42.99
CARQUEST premium engine management products provide the right automatic transmission speed sensor for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quali

Product Features:
  • Lifecycle tested to meet or exceed OE specifications
  • Direct OE replacement
  • High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
  • Global coverage for import and/or domestic applications.
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Carquest Premium – Electric Fuel Pump Inertia Switch (Part No.SBA4426)

Electric Fuel Pump Inertia Switch

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$84.99
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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Bosch – Oxygen Sensor: 4 Wire, 55.91" Long, Heated, Exact Fit (Part No.13108)

Oxygen Sensor: 4 Wire, 55.91" Long, Heated, Exact Fit

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$80.99
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 advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

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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Pierburg – Electric Fuel Pump (Part No.E300065558APG)

Electric Fuel Pump

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$409.38
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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Bosch – Fuel Pressure Regulator O-Ring (Part No.C3002290581BOS)

Fuel Pressure Regulator O-Ring

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$4.63
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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Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

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$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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Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ7325)

Mass Air Flow Sensor (MAF) - 100% NEW

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$105.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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Delphi – Mass Air Flow Sensor (Part No.AF10228)

Mass Air Flow Sensor

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$376.99
100% new; Delphi OE Technology Validated to match the vehicle applications; Manufactured to meet or exceed OE requirements

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube.
  • Delphi OE technology validated to match the vehicle applications
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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-1195)

Remanufactured Fuel Injector

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$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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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

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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Bosch – Fuel Injector Seal (Part No.C101016838BOS)

Fuel Injector Seal

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$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.
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10317)

Fuel Injection Pressure Regulator

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$83.99
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
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1031)

Fuel Injection Pressure Regulator

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$69.99
Fuel Injection Pressure Regulator

Rein – Breather Hose (Part No.ABV0119P)

Breather Hose

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$6.49
Rein Automotive OE quality breather hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses, Rein hoses are identical to the OEM.

Product Features:
  • Matches original equipment design specifications.
  • Manufactured with high quality materials.
  • Direct fit for easy installation.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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Rein – Breather Hose (Part No.ABV0188)

Breather Hose

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$17.99
Rein Automotive OE quality breather hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses, Rein hoses are identical to the OEM.

Product Features:
  • Matches original equipment design specifications.
  • Manufactured with high quality materials.
  • Direct fit for easy installation.
  • Resistant to heat, salt, road debris, oil and other contaminants.
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Rein – Automotive Engine Crankcase Breather Hose (Part No.B201072460RIN)

Automotive Engine Crankcase Breather Hose

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$8.88
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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Carquest Premium – Multi Purpose Relay (Part No.RAA1879)

Multi Purpose Relay

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$76.99
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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Carquest Premium – Idle Air Control Valve (Part No.ABC3727)

Idle Air Control Valve

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$225.99
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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Helping You Find the Right Fuel and Emissions Systems for Your BMW 525iT

You love your 525iT. So we’ve made it easier than ever to help you find BMW 525iT Fuel and Emissions Systems in our online catalog. Our inventory holds 30 aftermarket and OEM Fuel and Emissions Systems for your BMW 525iT, ranging from $2.06 to $409.38.

We offer parts from 10 brands trusted to make quality Fuel and Emissions Systems for your BMW 525iT. Before you buy, take some time to read through customer reviews. We currently have 18 reviews of BMW 525iT Fuel and Emissions Systems from previous customers.

Find your 525iT Fuel and Emissions Systems here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your BMW 525iT part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Fuel and Emissions Systems Brands for Your BMW 525iT

Our inventory holds Fuel and Emissions Systems for your BMW 525iT from 10 trusted brands. You’ll find OEM and aftermarket parts from brands like Delphi, Carquest Premium, and Bosch, all of which can keep that BMW happy.

FAQs for BMW 525iT Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the BMW 525iT?

Out of 30 Fuel and Emissions Systems for the BMW 525iT, the most popular in our inventory are:
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits
Electric Fuel Pump: With Hose Clamps, Hose Piece, Isolator, Pall Nut, Seal
from $148.99
This product is not rated
Electric Fuel Pump: With Hose Clamps, Hose Piece, Isolator, Pall Nut, Seal
Fuel Pumps
Fuel Injector Seal Kit
from $8.99
This product is not rated
Fuel Injector Seal Kit
Fuel Injector Seal Kits