BMW 525xi Fuel and Emissions Systems

Essential BMW 525xi Fuel and Emissions Systems

Bosch – Oxygen Sensor: 4 Wire, 14.17" Long, Heated, Exact Fit (Part No.16809)

Oxygen Sensor: 4 Wire, 14.17" Long, Heated, Exact Fit

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$118.99
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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DENSO – First Time Fit Oxygen Sensor (Part No.C5010689996ND)

First Time Fit Oxygen Sensor

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$221.16
Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.

Product Features:
  • SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
  • DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
  • ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
  • STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
  • POROUS PTFE FILTER – Allows atmospheric oxygen to enter the sensor without permitting water or engine contaminants to seep into the casing. Denso First Time Fit oxygen sensors are coated with a special formulation of aluminum oxide to trap impurities outside of the ceramic element. In head-to-head testing against the leading competitors, DENSO oxygen sensors were rated two times more resistant to silicone and lead poisoning. Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install. Recommended Installation Tool – 234-0100, O2 Sensor Socket Set
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Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1396)

Vapor Canister Purge Solenoid

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$106.99
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 – Fuel Filter (Part No.E1000509937BOS)

Fuel Filter

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$139.59
Fuel Filter

APA/URO Parts – Fuel Sender Seal (Part No.E2050269587APA)

Fuel Sender Seal

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$13.20
Fuel Sender Seal

Carquest Premium – Fuel Cap Tester Adapter (Part No.12426)

Fuel Cap Tester Adapter

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$43.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
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Carquest Premium – Evaporative Emissions System Leak Detection Pump (Part No.VDC1019)

Evaporative Emissions System Leak Detection Pump

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$267.99
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 – Reman Multi Port Fuel Injector (Part No.A212-2385)

Reman Multi Port Fuel Injector

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$59.99
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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Bosch – Turbine Electric Fuel Pump Assembly (Part No.E3001458354BOS)

Turbine Electric Fuel Pump Assembly

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$289.93
Benchmark quality from the worldwide leader in fuel injection technology. Bosch state-of-the-art turbine fuel pumps offer many advantages when compared to older roller-cell and inner-gear pump designs. These pumps offer near silent operation and improved drivability, the core components of this turbine design significantly reduce wear and deliver a longer service life. Bosch Turbine Fuel Pumps are nearly identical in dimension and appearance to the units they replace for a precise fit every time. Plus, application-specific, illustrated step-by-step instructions are included with all Bosch Turbine Fuel Pumps for safe and easy installation. To prevent hot start problems, Bosch includes a non-return valve that maintains system pressure long after the vehicle has been shut off.

Product Features:
  • OE-Equivalent Direct fit for easy installation.
  • OE connections and fittings.
  • Superior turbine pump design that virtually eliminates fuel pulsation.
  • Precision, spin-balanced armature to reduce noise and vibration.
  • Premium carbon brushes, utilizing advanced materials.
  • Noise suppression coil that eliminates radio frequency interference.
  • Illustrated step-by-step instructions are included.
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aFe POWER – Sprint Booster (Part No.77-16304)

Sprint Booster

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$297.99
Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.

Product Features:
  • Reduces Throttle Response Time
  • Improves Acceleration
  • Easy To Install
  • Does Not Affect The Vehicles Electronic System
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VDO – VDO, Air Injection Air Mass S (Part No.B7150248599VDO)

VDO, Air Injection Air Mass S

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$145.34
VDO, Air Injection Air Mass S

Rein – Hose Clamp (Part No.Y3063860432RIN)

Hose Clamp

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$3.57
Hose Clamp

Vemo – Relay (Part No.P2020309952VMO)

Relay

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$26.12
The Vemo Relay is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Elring – Fuel Injector Seal (Part No.C1010681908ELR)

Fuel Injector Seal

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$2.39
Fuel Injector Seal

Delphi – Mass Air Flow Sensor (Part No.AF10446)

Mass Air Flow Sensor

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$197.99
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 – Fuel Cap: 10844, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10844)

Fuel Cap: 10844, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

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$39.49
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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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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Original Equipment – AMBIENT TEMP SENSOR (Part No.P4025449414OEA)

AMBIENT TEMP SENSOR

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$51.91
AMBIENT TEMP SENSOR

Carquest Premium – Vapor Canister (Part No.CPN2186)

Vapor Canister

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$245.99
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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Rein – Automotive Engine Crankcase Breather Hose (Part No.B2010316750RIN)

Automotive Engine Crankcase Breather Hose

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$27.97
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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Burgaflex – Oil Separator Hose (Part No.B2019269931BUR)

Oil Separator Hose

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$78.68
Oil Separator Hose

Rein – BREATHER HOSE (Part No.ABV0227)

BREATHER HOSE

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$44.99
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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Carquest Premium – Fuel Injector Seal Kit (Part No.AS045)

Fuel Injector Seal Kit

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$5.29
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Helping You Find the Right Fuel and Emissions Systems for Your BMW 525xi

You love your 525xi. So we’ve made it easier than ever to help you find BMW 525xi Fuel and Emissions Systems in our online catalog. Our inventory holds 62 aftermarket and OEM Fuel and Emissions Systems for your BMW 525xi, ranging from $2.39 to $559.99.

We offer parts from 16 brands trusted to make quality Fuel and Emissions Systems for your BMW 525xi. Before you buy, take some time to read through customer reviews. We currently have 368 reviews of BMW 525xi Fuel and Emissions Systems from previous customers. Some of the top rated parts include Cap-Fuel with 4.5 stars.

Find your 525xi 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 525xi 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 525xi

Our inventory holds Fuel and Emissions Systems for your BMW 525xi from 16 trusted brands. You’ll find OEM and aftermarket parts from brands like Bosch, Carquest Premium, and Delphi, all of which can keep that BMW happy.
We have Carquest parts available for your BMW 525xi in categories like Fuel Injectors. Some of the top-rated Carquest parts in these categories are:
Fuel Injector
from $145.05
(1)
Fuel Injector
Fuel Injectors

FAQs for BMW 525xi Fuel and Emissions Systems

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

Out of 62 Fuel and Emissions Systems for the BMW 525xi, 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
Fuel Injector Seal Kit
from $5.29
This product is not rated
Fuel Injector Seal Kit
Fuel Injector O-Ring Kits

What are the top-rated BMW 525xi Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your BMW 525xi based on customer reviews/ratings are:
Cap-Fuel
from $34.99
(2)
Cap-Fuel
“For 2002 bmw 325i this gas cap is excellent quality and comes with the strap to hang it on fuel door excellent loved it”