2004 BMW 645Ci Fuel and Emissions Systems

Essential 2004 BMW 645Ci Fuel and Emissions Systems

Elring – Fuel Injector Seal (Part No.C1010681908ELR)

Fuel Injector Seal

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$2.43
Fuel Injector Seal

Pierburg – Secondary Air Injection Check Valve (Part No.B6050269399APG)

Secondary Air Injection Check Valve

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$164.06
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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Rein – Breather Hose (Part No.B2010338022RIN)

Breather Hose

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$74.46
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 – 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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APA/URO Parts – Fuel Sender Seal (Part No.E2050269587APA)

Fuel Sender Seal

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$13.20
Fuel Sender Seal

Dorman – Vacuum Pump Seal Repair Kit (Part No.917-146)

Vacuum Pump Seal Repair Kit

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$59.99
The components in this vacuum pump repair kit are designed to match the function of the original parts on specified vehicles. They are engineered to be reliable replacements for components that are missing or damaged.

Product Features:
  • Direct replacements – the components in this vacuum pump repair kit are designed to match the function of the original parts on specified vehicles
  • Ideal solution – engineered to be reliable replacements for components that are missing or damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 23.5" Long, Heated, Direct Fit (Part No.24316)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 23.5" Long, Heated, Direct Fit

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$116.99
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. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband 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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Carquest Premium – Fuel Injector Seal Kit (Part No.AS047)

Fuel Injector Seal Kit

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$4.99
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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Delphi – Fuel Pump Module Assembly: With Float Arm (Part No.FG1239)

Fuel Pump Module Assembly: With Float Arm

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$358.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

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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Dorman – Secondary A.I.R. Combination Valve (Part No.911-976)

Secondary A.I.R. Combination Valve

from

$135.99
This secondary air injection 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 secondary air injection 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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ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)

Multi-Purpose Wire Connector with Leads

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$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, and/or 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
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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2535)

Remanufactured Fuel Injector

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$56.99
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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NTK – Switching Oxygen Sensor: 4 Wire, 17.75" Long, Heated, Direct Fit (Part No.25627)

Switching Oxygen Sensor: 4 Wire, 17.75" Long, Heated, Direct Fit

from

$123.99
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 – Intake Manifold Runner Valve (Part No.B1220427429APG)

Intake Manifold Runner Valve

from

$709.02
The Pierburg Intake Manifold Runner 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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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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Bosch – Fuel Injector Seal (Part No.C101016838BOS)

Fuel Injector Seal

from

$2.05
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 Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$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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Bosch – Bosch Fuel Tank Sending Unit (Part No.E2030269551BOS)

Bosch Fuel Tank Sending Unit

from

$100.20
The Bosch Fuel Tank Sending Unit 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 for fit, form, and function
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Rein – Cap-Fuel (Part No.CPF0031)

Cap-Fuel

from

$34.99
Rein OE Quality Fuel Cap
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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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Bosch – Leak Detection Pump (Part No.B70732233919BOS)

Leak Detection Pump

from

$114.15
The Bosch Fuel Vapor Leak Detection Pump ascertains leaks or related problems in the fuel system. A functional Vapor Leak Detection Pump is necessary in states that require an Emissions Inspection.

Product Features:
  • Helps to reduce atmospheric pollution due to hydrocarbon emissions
  • Direct replacement for a proper fit every time
  • Durable against salt, debris, and other harsh undercar conditions
  • On-vehicle and laboratory testing has been conducted on this part to ensure a trouble-free performance
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$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 – Air Mass Meter (Part No.B3130266699BOS)

Air Mass Meter

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$377.69
Bosch air mass sensors are built to exacting specifications as required for such a sensitive measuring device. Through a precise manufacturing process, the correct type and thickness of platinum wire or thick film ceramic measuring elements are selected and accurately calibrated to provide optimum performance.

Product Features:
  • OEM Quality Direct fit Application
  • Measurement of air mass (gas mass) through-flow per unit of time, independent of density and temperature
  • Extensive measuring range
  • Highly sensitive, particularly for small changes in flow rate
  • Wear-free since there are no moving parts
  • Insensitive to dirt and contamination
  • Utilizes the factory style mounts, connectors and fittings
  • Provides exceptional reliability
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Cardone – Mass Air Flow Sensor (Part No.74-10129)

Mass Air Flow Sensor

from

$235.99
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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Pierburg – Secondary Air Pump (Part No.B6010298318APG)

Secondary Air Pump

from

$469.96
Pierburg a global supplier to European automakers manufactures an OE-equivalent direct fit Air Pump that maintains the quality and performance of the Original Equipment it replaces. Pierburg designed a modular system of brackets, and vibration absorbing elements to ensure that the secondary air pump does not interact with its mounting location.

Product Features:
  • OE design
  • Low noise
  • Long working life
  • High thermal and mechanical resistance
  • Sealed bearing design
  • Housing sealed to protect against contamination
  • High output DC motor
  • Exact OE Body and engine mounting
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Carquest Premium – Multi Purpose Relay (Part No.RAA1749)

Multi Purpose Relay

from

$36.49
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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2004 BMW 645Ci Fuel and Emissions Systems

You count on your 2004 BMW 645Ci 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 61 Fuel and Emissions Systems ranging in price from $2.05 to $709.02, you’re sure to find everything you need for your 2004 BMW 645Ci.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 18 different brands like Carquest Premium, Delphi, and Rein. 2004 BMW 645Ci Fuel and Emissions Systems start as low as $2.05!

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 42 extensive product reviews on 2004 BMW 645Ci Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal with 3.0 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 2004 BMW 645Ci below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2004 BMW 645Ci

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 2004 BMW 645Ci running right for years to come. In our inventory you’ll find brands like Carquest Premium, Delphi, Rein, and even more.

Popular NTK Fuel and Emissions Systems

You’ll find popular NTK brand products across Air Flow Sensors. All are waiting to get your 2004 BMW 645Ci back on the road. Some of the top-rated NTK products in these categories are:

FAQs for 2004 BMW 645Ci Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2004 BMW 645Ci?

Out of 61 Fuel and Emissions Systems for the 2004 BMW 645Ci, 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
Cap-Fuel
from $34.99
(2)
Cap-Fuel
Gas Caps
OE Quality Automotive Fuel Tank Cap
from $41.19
This product is not rated
OE Quality Automotive Fuel Tank Cap
Gas Caps

What are the top-rated 2004 BMW 645Ci Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2004 BMW 645Ci based on customer reviews/ratings are:
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal
from $100.99
(2)
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal
“Great price”