BMW 325i Fuel and Emissions Systems

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Essential BMW 325i Fuel and Emissions Systems

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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Rein – Breather Valve (Part No.ABH0331)

Breather Valve

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

Ambient Air Temperature Sensor

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$44.99
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.
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Dorman – Help – Positive Crankcase Ventilation System Oil Separator (Part No.46103)

Positive Crankcase Ventilation System Oil Separator

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$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
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Rein – Breather Hose (Part No.ABV0202)

Breather Hose

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$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.
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Carquest Premium – Fuel Pump Hanger Assembly: Fuel Pump and Strainer (Part No.HS2275188)

Fuel Pump Hanger Assembly: Fuel Pump and Strainer

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$184.99
Carquest Premium fuel pump hanger assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump hanger assemblies are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump hanger assemblies are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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Dorman – Mechanical Vacuum Pump (Part No.904-840)

Mechanical Vacuum Pump

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$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
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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61902)

Fuel Injection Throttle Body Mounting Gasket

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$9.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Spectra Premium – Fuel Tank (Part No.BM1A)

Fuel Tank

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$355.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tanks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Lock ring included with each tank to reduce installation time and to ensure a complete repair
  • Made with corrosion resistant, OE approved, Ni Terne steel for durability
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Each new fuel tank is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Packaged with double-layered foam wrap and heavy-gauge corrugated board to ensure product quality at installation
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Carquest Premium – Vapor Canister Vent Valve: Includes Mounting Hardware (Part No.CPC1396)

Vapor Canister Vent Valve: Includes Mounting Hardware

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$106.99
Ensure that your vehicle’s emission control system performs at its best with CARQUEST premium Vapor Canister Vent Valves. Manufactured for long-lasting performance, these Vent Valves provide reliable operation and help maintain your vehicle’s compliance with environmental regulations. For cleaner emissions, optimal vehicle efficiency and performance, trust CARQUEST Vapor Canister Vent Valves.

Product Features:
  • Provides closure for the EVAP system (normally vented) during OBD II test cycle
  • Includes integrated filter, where applicable, that captures contaminants and particulates from incoming air, preventing clogging and ensuring clean airflow
  • Quick valve response to engine demands, ensuring efficient venting of vapors and optimizing overall engine performance
  • Meets or exceeds all OEM specifications
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Delphi – Fuel Pump Module Assembly: With Float Arm (Part No.FG0415)

Fuel Pump Module Assembly: With Float Arm

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$301.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. 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:
  • 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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NTK – Switching Oxygen Sensor: 4 Wire, 17.5" Long, Heated, Direct Fit (Part No.25540)

Switching Oxygen Sensor: 4 Wire, 17.5" Long, Heated, Direct Fit

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$121.99
NGK 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, 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: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Carquest Premium – Diverter Valve Gasket (Part No.ECA2998)

Diverter Valve Gasket

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$12.49
The Secondary Air Injection system is an emission control device designed to pump fresh air into the engines exhaust system to reduce harmful emissions typically during cold engine warm-up. The diverter valve is a gate that allows oxygen into the exhaust but prevents exhaust from backing up into the air pump system.

Product Features:
  • Application matched component to ensure the system can be returned to like new condition.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – Multi-Use Connector (Part No.PTA1386)

Multi-Use Connector

from

$25.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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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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$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
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator 5G1021 (Part No.5G1021)

Fuel Injection Pressure Regulator 5G1021

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 OE designs. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.

Product Features:
  • Application matched components ensure fuel injection system meets all emission regulations.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Dorman – Evaporative Emissions Canister Vent Valve (Part No.911-419)

Evaporative Emissions Canister Vent Valve

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$136.99
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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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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$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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URO Parts – Air Pump (Part No.11727571589)

Air Pump

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$156.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.

Product Features:
  • Guaranteed fitment
  • Efficient design maximizes airflow
  • Precision bearings for quiet operation and minimal vibration
  • Durable high-quality housing materials
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Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A212-2385)

Remanufactured Multi Port Fuel Injector

from

$107.99
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
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Rein – Breather Hose (Part No.ABV0139)

Breather Hose

from

$65.99
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 – New Map Sensor (Part No.ECC1366)

New Map Sensor

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

Reman Multi Port Fuel Injector - 6 Pack

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$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
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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
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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 141 aftermarket and OEM Fuel and Emissions Systems for your BMW 325i, ranging from $3.99 to $699.29.

We offer parts from 17 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 978 reviews of BMW 325i Fuel and Emissions Systems from previous customers. Some of the top rated parts include Non-Locking Fuel Tank Cap with 4.7 stars and Switching Oxygen Sensor: 4 Wire, 11.5" Long, Heated, Direct Fit 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 17 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 141 Fuel and Emissions Systems for the BMW 325i, the most popular in our inventory are:
Non-Locking Fuel Tank Cap
from $40.99
(36)
Non-Locking Fuel Tank Cap
Gas Caps
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 $3.99
This product is not rated
Fuel Injector Seal Kit
Fuel Injector O-Ring 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:
Non-Locking Fuel Tank Cap
from $10.99
(3)
Non-Locking Fuel Tank Cap
“But it works perfect and at a ⅓ of the price. Sweet”
Switching Oxygen Sensor: 4 Wire, 11.5" Long, Heated, Direct Fit
from $92.99
(2)
Switching Oxygen Sensor: 4 Wire, 11.5" 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 ”
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.”