BMW 540iT Fuel and Emissions Systems

Essential BMW 540iT Fuel and Emissions Systems

Bosch – Mass Air Flow (MAF) Sensor (Part No.0280217814)

Mass Air Flow (MAF) Sensor

from

$188.99
Bosch is the actual OE manufacture, plus or minus 5% deviation from OE specification can set a check engine light.

Product Features:
  • OE Technology provides the correct function and calibration to ensure trouble-free operation and emission compliance.
  • 100% new product
  • Not re-manufactured or rebuilt
  • Sensor and housing are calibrated and sold together ensuring precise sensor reading and optimal engine performance
  • Guaranteed to match vehicle requirements for performance, drivability, fuel economy and emissions
  • Can provide up to 20 percent better fuel consumption
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Carquest Premium – Diverter Valve Gasket (Part No.ECA2998)

Diverter Valve Gasket

from

$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-Purpose Relay (Part No.RAA1834)

Multi-Purpose Relay

from

$35.99
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.
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1098)

Ambient Air Temperature Sensor

from

$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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URO Parts – Fuel Sender Seal (Part No.16141182905)

Fuel Sender Seal

from

$7.99
URO Parts has been a leading brand of replacement auto parts for European vehicles for more than thirty years. Affordable yet dedicated to quality, URO Parts controls its production process in strict accordance with ISO/TS 16949 QMS specifications and offers a wide variety of components used to restore or repair engine, electrical, drive train, braking, steering, suspension, climate control, cooling, exhaust, and fuel systems in classic to late-model German, British, and Scandinavian vehicles. Looking for parts that are even higher quality than original equipment? URO Parts engineers analyze common failures and identify weaknesses in original equipment parts when creating URO Premium components, which are superior to OE in performance and reliability thanks to improved materials and more robust designs. Thanks to high-quality, competitively-priced URO Parts and bulletproof URO Premium replacement components, owning a prestigious European vehicle is no longer an expensive luxury reserved for the elite and wealthy.

Product Features:
  • Guaranteed Fitment
  • High Quality Materials
  • Guaranteed fitment
  • Replacement of cracked or failing OE fuel pump (or level sensor module) seal instantly corrects troublesome leaks
  • Seal should be replaced whenever pump or sensor module is removed and reinstalled
  • Manufactured to OE seal durometer and thickness using high-quality materials for maximum lifespan
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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
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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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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
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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
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Carquest Premium – Idle Air Control Valve (Part No.ABC3738)

Idle Air Control Valve

from

$256.99
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
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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

Bosch – Oxygen Sensor: 4 Wire, 21.65" Long, Heated, Exact Fit (Part No.13475)

Oxygen Sensor: 4 Wire, 21.65" Long, Heated, Exact Fit

from

$97.99
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
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Carquest Premium – Fuel Pump Module Assembly HS1284788: Fuel Pump, Sending Unit, Wiring Harness and Strainer (Part No.HS1284788)

Fuel Pump Module Assembly HS1284788: Fuel Pump, Sending Unit, Wiring Harness and Strainer

from

$149.99
Carquest Premium fuel pump modules and assemblies are built 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 modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules 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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Carquest Premium – Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10844)

Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$40.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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FAE – Intake Air Temperature Sensor (Part No.C6000274885FAE)

Intake Air Temperature Sensor

from

$37.19
The FAE Intake Air Temperature Sensor 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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Carquest Premium – Multi-Use Connector (Part No.ABA3461)

Multi-Use Connector

from

$13.99
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.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • 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 – Fuel Injector Seal Kit (Part No.AS008)

Fuel Injector Seal Kit

from

$8.99
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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Carquest Premium – Fuel Pump Module Assembly (Part No.E8442H)

Fuel Pump Module Assembly

from

$166.99
CARQUEST fuel pump modules offer OEM or better performance from an Original Equipment Supplier. The latest advancements in fuel delivery technology are built-in to every CARQUEST Fuel Pump to deliver greater reliability.

Product Features:
  • Every single pump is 100% tested throughout the entire manufacturing process for worry free, out-of-the-box performance
  • Triple barb hose fitting provides superior, long-lasting seal
  • Superior return porting for optimum fuel flow
  • Enhanced pump to flange harness design provides worry-free electrical performance
  • Ceramic sender card and float arm that utilizes vehicle-specific geometry to ensure accurate fuel gauge readings for each and every application
  • Gradient density, dual zone filtration designed for better contamination resistance
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Bosch – Fuel Injector: New (Part No.62681)

Fuel Injector: New

from

$98.99
Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

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
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1031)

Fuel Injection Pressure Regulator

from

$69.99
Fuel Injection Pressure Regulator

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

Evaporative Emissions Canister Vent Valve

from

$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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Dorman – Secondary A.I.R. Injection Pump (Part No.306-009)

Secondary A.I.R. Injection Pump

from

$482.99
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
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Carquest Premium – Diverter Valve (Part No.ECC2347)

Diverter Valve

from

$126.99
The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions and convert the emission into harmless water vapor via a chemical reaction. These systems were used heavily in the pre-catalytic converter emission control period but found some application in vehicles with catalytic converter systems.

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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Helping You Find the Right Fuel and Emissions Systems for Your BMW 540iT

You love your 540iT. So we’ve made it easier than ever to help you find BMW 540iT Fuel and Emissions Systems in our online catalog. Our inventory holds 32 aftermarket and OEM Fuel and Emissions Systems for your BMW 540iT, ranging from $7.99 to $482.99.

We offer parts from 11 brands trusted to make quality Fuel and Emissions Systems for your BMW 540iT. Before you buy, take some time to read through customer reviews. We currently have 114 reviews of BMW 540iT Fuel and Emissions Systems from previous customers. Some of the top rated parts include Oxygen Sensor: 4 Wire, 21.65" Long, Heated, Exact Fit with 5.0 stars and Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal with 3.0 stars.

Find your 540iT 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 540iT 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 540iT

Our inventory holds Fuel and Emissions Systems for your BMW 540iT from 11 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Delphi, and Bosch, all of which can keep that BMW happy.
We have Rein parts available for your BMW 540iT in categories like Gas Caps. Some of the top-rated Rein parts in these categories are:
Cap-Fuel
from $37.99
(2)
Cap-Fuel
Gas Caps

FAQs for BMW 540iT Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the BMW 540iT?

Out of 32 Fuel and Emissions Systems for the BMW 540iT, 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 540iT Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your BMW 540iT based on customer reviews/ratings are:
Oxygen Sensor: 4 Wire, 21.65" Long, Heated, Exact Fit
from $97.99
(3)
Oxygen Sensor: 4 Wire, 21.65" Long, Heated, Exact Fit
“exact fit, good price, quick availability”
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal
from $111.99
(2)
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal
“Great price”