BMW 325i Fuel and Emissions Systems

Essential BMW 325i Fuel and Emissions Systems

Carquest Premium – Evaporative Emissions System Leak Detection Pump (Part No.VDC1019)

Evaporative Emissions System Leak Detection Pump

from

$113.99
Keep your EVAP system in check and ensure top-tier emissions control with Carquest’s high-performance Leak Detection Pumps. Built for accuracy and durability, these Leak Detection Pumps offer reliable performance, compliance with strict emission standards, and simple, direct fit installation. For dependable, eco-friendly performance, trust Carquest Leak Detection Pumps to protect your vehicle and the environment.

Product Features:
  • The pump plays a critical role in identifying leaks in the EVAP system, preventing harmful fuel vapors from escaping into the atmosphere
  • Designed to create precise vacuum, ensuring accurate identification of leaks for enhanced vehicle performance
  • Equipped with integrated sensors that continuously monitor pressure levels, allowing for immediate detection of any leaks or malfunctions
  • Meets or exceeds all OEM specifications
See More

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-10041)

Remanufactured Mass Air Flow Sensor

from

$103.99
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 percent 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 percent 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 percent 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 percent.
See More

Rein – Air Pump Hose (Part No.ABV0104R)

Air Pump Hose

from

$23.99
Rein Automotive OE quality air pump 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.
See More

Dorman – Evaporative Emissions Canister Vent Valve (Part No.994-019)

Evaporative Emissions Canister Vent Valve

from

$129.99
A malfunctioning vapor canister vent can cause the engine light to come on. This replacement valve 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 valve fits and functions like the original part
  • 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
See More

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

PCV System Oil Separator

from

$115.99
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
See More

Dorman – Steel Fuel Tank (Part No.E2000698489DOR)

Steel Fuel Tank

from

$694.32
Painted for an extra layer of corrosion protection, Dorman’s Fuel Tanks are resilient against salt and other elements that make the undercar environment a harsh one.

Product Features:
  • Solid steel construction ensures long-lasting performance
  • Lock ring and gasket included (where applicable)
  • Rust resistant
  • Direct replacement for a proper fit every time
  • Quality tested for durability
See More

Rein – Air Flow Meter Boot (Part No.ABV0136)

Air Flow Meter Boot

from

$24.99
Rein Automotive OE quality boots 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:
  • Direct fit for easy installation.
  • Manufactured with high quality materials.
  • Matches original equipment design specifications.
  • Resistant to heat, salt, road debris, oil and other contaminants.
See More

Dorman – Secondary Air Injection Pump (Part No.306-027)

Secondary Air Injection Pump

from

$483.99
This secondary air injection pump is designed to match the fit and function of the original pump on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this secondary air injection pump is designed to match the fit and function of the original pump on specified applications
  • Restores functionality – reliable replacement for an original part that is leaking or has failed due to internal component failure
  • 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
See More

Rein – Cap-Fuel (Part No.CPF0031)

Cap-Fuel

from

$37.99
Rein OE Quality Fuel Cap
See More

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

Fuel Cap Tester Adapter:

from

$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
See More

DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 40.67" Long, Heated, Exact Fit (Part No.234-5134)

Wideband Oxygen Sensor: Upstream, 5 Wire, 40.67" Long, Heated, Exact Fit

from

$181.99
DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance.; Each component is precision-built for exact replacement¿ and a first time fit.; 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 percent 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
See More

Bosch – Fuel Injector: New (Part No.62429)

Fuel Injector: New

from

$96.99
Bosch is a leading manufacture for Gasoline Direct Injection application now provides the market with the solution for servicing the Injectors after being removed from the cylinder head. It is are recommended to replace the seals once the injectors are serviced as they are one time use. All Set of seal and kit bags come complete with all the necessary parts for a successful installation

Product Features:
  • Guaranteed OE fit, form and function
  • Manufactured of the highest quality materials
  • Provides precision flow and original spray pattern for optimal performance
  • Product includes top and bottom mounting o-ring
  • Maintains new-car smoothness and drivability
See More

Rein – Breather Hose (Part No.ABV0202)

Breather Hose

from

$32.99
Rein Automotive OE quality vacuum 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, from the size and shape of their branches to the thermoplastic quick connect fittings.

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.
See More

Rein – Breather Valve (Part No.ABH0331)

Breather Valve

from

$7.99
Rein OE Quality Breather Hose Connector is identical to OE part in form, fit and function, performing exactly as intended.

Product Features:
  • Matches original equipment design specifications.
  • Manufactured with high quality materials.
  • Direct fit for easy installation.
See More

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1021)

Fuel Injection Pressure Regulator

from

$78.99
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
See More

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1395)

Ambient Air Temperature Sensor

from

$47.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
See More

Carquest Premium – Multi-Purpose Relay (Part No.RAA1749)

Multi-Purpose Relay

from

$39.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
See More

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

Idle Air Control Valve

from

$213.99
Carquest Premium idle air control valves are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Idle air control valves, or sometimes known as idle air motors, are used to maintain the engine speed at idle by precisely adjusting the amount of air allowed to enter the intake. Our Carquest Premium idle air control (IAC) valves are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium idle air control valves undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium idle air control valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Precision engineering and robust design to withstand harsh under hood environment
  • Gaskets or seals are included if required for installation
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

ACDelco – Multi-Purpose Pigtail (Part No.PT2164)

Multi-Purpose Pigtail

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, andor 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

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

Multi-Purpose Relay

from

$83.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
See More

Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPC1093)

Vapor Canister Purge Solenoid: Includes Mounting Hardware

from

$108.99
Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:
  • Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
  • Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
  • Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
  • Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
  • Meets or exceeds all OEM specifications
See More

Bosch – Oxygen Sensor: 4 Wire, 21.34" Long, Heated, Exact Fit (Part No.16413)

Oxygen Sensor: 4 Wire, 21.34" Long, Heated, Exact Fit

from

$138.99
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

Carquest Premium – Reman Multi Port Fuel Injector – 6 Pack (Part No.A212-2385-6PK)

Reman Multi Port Fuel Injector - 6 Pack

from

$499.99
The Carquest line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly 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.

Product Features:
  • Includes six premium fuel injectors
  • 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

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1366)

Manifold Absolute Pressure Sensor (MAP)

from

$109.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
See More

Dorman – Mechanical Vacuum Pump (Part No.904-840)

Mechanical Vacuum Pump

from

$621.99
This vacuum pump matches the fit and function of the original equipment pump. Made of durable materials for reliable service, this replacement pump is built to ensure reliable operation of vacuum-operated vehicle functions.

Product Features:
  • Ideal replacement – this vacuum pump matches the fit and function of the original equipment pump to restore operation of vacuum-operated functions
  • Durable construction – this vacuum pump is made of quality materials to ensure reliable performance and a long service life
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
See More

Helping You Find the Right Fuel and Emissions Systems for Your BMW 325i

You love your 325i. So we’ve made it easier than ever to help you find BMW 325i Fuel and Emissions Systems in our online catalog. Our inventory holds 131 aftermarket and OEM Fuel and Emissions Systems for your BMW 325i, ranging from $2.29 to $694.32.

We offer parts from 16 brands trusted to make quality Fuel and Emissions Systems for your BMW 325i. Before you buy, take some time to read through customer reviews. We currently have 976 reviews of BMW 325i Fuel and Emissions Systems from previous customers. Some of the top rated parts include Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack with 4.7 stars and Fuel Pump Module Assembly: With Float Arm with 5.0 stars.

Find your 325i 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 325i 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 325i

Our inventory holds Fuel and Emissions Systems for your BMW 325i 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 Cardone parts available for your BMW 325i in categories like Fuel Injectors. Some of the top-rated Cardone parts in these categories are:
Remanufactured Mass Air Flow Sensor
from $99.99
(2)
Remanufactured Mass Air Flow Sensor
Air Flow Meters and Mass Air

Top-Rated Bosch Fuel and Emissions Systems

Leading Bosch Fuel and Emissions Systems

We carry Bosch brand parts for your BMW 325i across several catalog categories, including Oxygen Sensors. Some of our most reviewed Bosch parts include:

FAQs for BMW 325i Fuel and Emissions Systems

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

Out of 131 Fuel and Emissions Systems for the BMW 325i, the most popular in our inventory are:
Fuel Injector Seal Kit
from $8.99
This product is not rated
Fuel Injector Seal Kit
Fuel Injector Seal Kits
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits

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

Top-rated Fuel and Emissions Systems for your BMW 325i based on customer reviews/ratings are:
Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
from $10.99
(3)
Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“But it works perfect and at a ⅓ of the price. Sweet”
Fuel Pump Module Assembly: With Float Arm
from $301.99
(2)
Fuel Pump Module Assembly: With Float Arm
“The pump went right in. No issues. It works.”
Oxygen Sensor: 4 Wire, 55.91" Long, Heated, Exact Fit
from $80.99
(2)
Oxygen Sensor: 4 Wire, 55.91" Long, Heated, Exact Fit
“Great Bosch quality. Exact fit.”