BMW 645Ci Fuel and Emissions Systems

Essential BMW 645Ci Fuel and Emissions Systems

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 35.5" Long, Heated, Direct Fit (Part No.24321)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 35.5" Long, Heated, Direct Fit

from

$155.99
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
See More

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

Evaporative Emissions System Leak Detection Pump

from

$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.
See More

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

Secondary Air Injection Check Valve

from

$172.82
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
See More

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
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS047)

Fuel Injector Seal Kit

from

$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
See More

Carquest Premium – Vapor Canister (Part No.CPN2186)

Vapor Canister

from

$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.
See More

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

Fuel Pump Module Assembly: With Float Arm

from

$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
See More

Pierburg – Secondary Air Pump (Part No.B6010298318APG)

Secondary Air Pump

from

$454.84
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
See More

Bosch – Fuel Injector Seal (Part No.C101016838BOS)

Fuel Injector Seal

from

$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.
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

Siemens – Siemens Fuel Injector (Part No.C1000250107SIE)

Siemens Fuel Injector

from

$188.15
Siemens fuel injectors are manufactured to OE requirements that meet federal emissions and fuel economy standards, and provide exact OE fit for ease of installation. Siemens injectors are manufactured using internal components that are compatible with alternative fuels or fuel blends, including ethanol mixtures.

Product Features:
  • Original Equipment Manufacturer
  • Premium internal components
  • OE Calibrated impedance
  • Fine atomized spray reduces emissions
See More

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)

Multi-Purpose Wire Connector with Leads

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, 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
See More

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
See More

Bosch – Air Mass Meter (Part No.B3130266699BOS)

Air Mass Meter

from

$382.58
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
See More

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPE2065)

Vapor Canister Purge Solenoid

from

$74.99
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.
See More

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

Vacuum Pump Seal Repair Kit

from

$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
See More

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
See More

Rein – Cap-Fuel (Part No.CPF0031)

Cap-Fuel

from

$34.99
Rein OE Quality Fuel Cap
See More

Carquest Premium – Multi Purpose Relay (Part No.RAA2085)

Multi Purpose Relay

from

$22.99
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.
See More

Elring – Fuel Injector Seal (Part No.C1010681908ELR)

Fuel Injector Seal

from

$2.51
Fuel Injector Seal

Bosch – Fuel Tank Sending Unit (Part No.E2030269589BOS)

Fuel Tank Sending Unit

from

$97.91
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
See More

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

AMBIENT TEMP SENSOR

from

$53.39
AMBIENT TEMP SENSOR

Rein – Breather Hose (Part No.B2010338022RIN)

Breather Hose

from

$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
See More

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

Fuel Tank Cleaning Kit

from

$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
See More

Helping You Find the Right Fuel and Emissions Systems for Your BMW 645Ci

You love your 645Ci. So we’ve made it easier than ever to help you find BMW 645Ci Fuel and Emissions Systems in our online catalog. Our inventory holds 58 aftermarket and OEM Fuel and Emissions Systems for your BMW 645Ci, ranging from $2.06 to $454.84.

We offer parts from 18 brands trusted to make quality Fuel and Emissions Systems for your BMW 645Ci. Before you buy, take some time to read through customer reviews. We currently have 84 reviews of BMW 645Ci Fuel and Emissions Systems from previous customers. Some of the top rated parts include Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal with 3.0 stars.

Find your 645Ci 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 645Ci 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 645Ci

Our inventory holds Fuel and Emissions Systems for your BMW 645Ci from 18 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Delphi, and Rein, all of which can keep that BMW happy.

FAQs for BMW 645Ci Fuel and Emissions Systems

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

Out of 58 Fuel and Emissions Systems for the 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 $42.91
This product is not rated
OE Quality Automotive Fuel Tank Cap
Gas Caps

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

Top-rated Fuel and Emissions Systems for your 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”