2003 BMW 325i Fuel and Emissions Systems

Essential 2003 BMW 325i Fuel and Emissions Systems

Elring – Fuel Injector Seal (Part No.C1010250098ELR)

Fuel Injector Seal

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$5.69
Fuel Injector Seal

Dorman – Help – PCV System Oil Separator (Part No.46103)

PCV System Oil Separator

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$103.99
This engine crankcase breather hose check valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine crankcase breather hose check valve is designed to match the fit and function of the original valve on specified vehicles
  • Restores functionality – this valve is made to fit and fully restore part functionality after the original valve fails
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Pierburg – Electronic Change Over Valve (Part No.B7075343168APG)

Electronic Change Over Valve

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$60.44
Electronic Change Over Valve

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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Rein – Hose Clamp (Part No.Y3063860432RIN)

Hose Clamp

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$3.57
Hose Clamp

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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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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NTK – Switching Oxygen Sensor: 4 Wire, 20" Long, Heated, Direct Fit (Part No.25041)

Switching Oxygen Sensor: 4 Wire, 20" Long, Heated, Direct Fit

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$32.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Pierburg – Secondary Air Injection Check Valve (Part No.B6050269293APG)

Secondary Air Injection Check Valve

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$178.38
The Pierburg Air Pump Control Valve is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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aFe POWER – Sprint Booster (Part No.77-16302)

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

Dorman – Evaporative Emissions Canister Vent Valve (Part No.911-419)

Evaporative Emissions Canister Vent Valve

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$69.99
A malfunctioning vapor canister vent solenoid can cause the engine light to come on. This vapor canister vent solenoid is engineered of quality materials for durability to ensure proper operation of the vehicle’s evaporative emissions system.

Product Features:
  • Direct replacement – this vapor canister vent solenoid fits and performs like original equipment with simple plug-and-play installation
  • Quality construction – manufactured from premium materials for a long service life
  • Excellent value – original equipment function at a lower price
  • Quality tested – has undergone simulation and endurance testing to ensure proper fit and performance
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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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Carquest – Fuel Injector (Part No.67330)

Fuel Injector

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$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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Elring – Throttle Body Gasket (Part No.C7001267854ELR)

Throttle Body Gasket

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$17.27
Throttle Body Gasket

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

Fuel Tank (Gas) Cap

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$32.79
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.
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Vaico – Intake Man. Runner V (Part No.B1220334716VCO)

Intake Man. Runner V

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$413.02
Intake Man. Runner V

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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Febi – Intake Manifold Actu (Part No.B1205324094FEB)

Intake Manifold Actu

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$171.28
Intake Manifold Actu

APA/URO Parts – Air Pump Hose (Part No.B6030278914APA)

Air Pump Hose

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$20.96
A.P.A. URO is a supplier to many automotive manufacturers and provides OE quality European replacement parts to the aftermarket. URO Parts is a highly diversified product line including, body rubber, electrical, suspension, steering, cooling and air conditioning components. Air pump to control valve
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APA/URO Parts – Crankcase Breather Hose (Part No.B2010117989APA)

Crankcase Breather Hose

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$14.70
Air hoses and lines for diesel and gasoline engines with additional blow-by for crankcase ventilation. Prefabricated modules in raw and clean air duct using injection-molded elastomer and plastic items, and blow-molded items.

Product Features:
  • Mount for temperature sensors
  • Noise damping
  • Folds and ribs for flexibility and vacuum stability
  • Molded-on mounts for wires or cables
  • Integrated flow divider
  • Integrated positioning and attachment of prefabricated hose clamps
  • Radial reinforcement for high vacuum stress in tight installation spaces
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Pierburg – Air Inject Check Val (Part No.B7040269654APG)

Air Inject Check Val

from

$41.94
Air Inject Check Val

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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Febi – Air Mass Meter Boot (Part No.B313261861FEB)

Air Mass Meter Boot

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$30.41
Air Mass Meter Boot

Bosch – Oxygen Sensor (Part No.C5010266617BOS)

Oxygen Sensor

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$182.53
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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MTC – Air Pump Rubber Moun (Part No.B60153351923MTC)

Air Pump Rubber Moun

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$4.88
Air Pump Rubber Moun

Carquest Premium – Vapor Canister (Part No.CPN2233)

Vapor Canister

from

$598.99
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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Cardone – Mass Air Flow Sensor (Part No.74-10054)

Mass Air Flow Sensor

from

$99.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100% re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle’s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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2003 BMW 325i Fuel and Emissions Systems

You count on your 2003 BMW 325i to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 115 Fuel and Emissions Systems ranging in price from $1.74 to $756.99, you’re sure to find everything you need for your 2003 BMW 325i.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 22 different brands like Carquest Premium, Bosch, and Delphi. 2003 BMW 325i Fuel and Emissions Systems start as low as $1.74!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 328 extensive product reviews on 2003 BMW 325i Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are First Time Fit Oxygen Sensor with 4.9 stars and Oxygen Sensor: 4 Wire, 11.42" Long, Heated, Exact Fit with 4.9 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2003 BMW 325i below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2003 BMW 325i

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 BMW 325i running right for years to come. In our inventory you’ll find brands like Carquest Premium, Bosch, Delphi, and even more.

Popular Cardone Fuel and Emissions Systems

You’ll find popular Cardone brand products across Fuel Injectors. All are waiting to get your 2003 BMW 325i back on the road. Some of the top-rated Cardone products in these categories are:
Mass Air Flow Sensor
from $99.99
(2)
Mass Air Flow Sensor
Air Flow Meters and Mass Air

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 2003 BMW 325i, and some of our most reviewed Carquest Premium parts include:
Fuel Pump Module Assembly
from $248.99
(3)
Fuel Pump Module Assembly
Fuel Pumps
Mass Air Flow Sensor (MAF) - 100% NEW
from $87.99
(2)
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air

FAQs for 2003 BMW 325i Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2003 BMW 325i?

Out of 115 Fuel and Emissions Systems for the 2003 BMW 325i, 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 $2.99
This product is not rated
Fuel Injector Seal Kit
Fuel Injector O-Ring Kits

What are the top-rated 2003 BMW 325i Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 BMW 325i based on customer reviews/ratings are:
First Time Fit Oxygen Sensor
from $94.74
(34)
First Time Fit Oxygen Sensor
“Quality fluid, works as it should.”
Switching Oxygen Sensor: 4 Wire, 13.75" Long, Heated, Direct Fit
from $92.99
(2)
Switching Oxygen Sensor: 4 Wire, 13.75" Long, Heated, Direct Fit
“Installed two in a 200 528i BMW in pre-cat application. Remove and Replace took 15 minutes for each sensor. Copper anti-seize paste was included in ”