2021 BMW 540i Ignition and Tune-Up Products

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.

Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:

• High Precision Even under Extreme Conditions
• Improved efficiency and prolonged engine life
• Linear signal over large frequency range

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.

Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:

• High Precision Even under Extreme Conditions
• Improved efficiency and prolonged engine life
• Linear signal over large frequency range

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.

Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:

• High Precision Even under Extreme Conditions
• Improved efficiency and prolonged engine life
• Linear signal over large frequency range

Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:

• Bosch OE quality knock sensors for optimum engine protection
• Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
• Bosch OE quality knock sensors increase torque up to 5%
• Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties

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.

Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:

• High Precision Even under Extreme Conditions
• Improved efficiency and prolonged engine life
• Linear signal over large frequency range

Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:

• Bosch OE quality knock sensors for optimum engine protection
• Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
• Bosch OE quality knock sensors increase torque up to 5%
• Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties

Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:

• Bosch OE quality knock sensors for optimum engine protection
• Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
• Bosch OE quality knock sensors increase torque up to 5%
• Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties

High-performance ignition coils from Bosch guarantee a reliable voltage from the start, more ignition energy to ensure that your engine starts and runs smoothly. Bosch ignition systems combine the security of fully developed system engineering with the employment of the latest technology. The application of Bosch ignition coils ensures all advantages of the original equipment. Bosch Ignition coils provide more ignition energy to ensure that your engine starts well and runs smoothly. High-performance ignition coils from Bosch guarantee a reliable voltage from the start.

Product Features:

• Demand controlled ignition voltage
• Long spark duration
• Better engine performance
• Reduced fuel consumption
• Reduced obnoxious emissions in exhaust gas

Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.

Product Features:

• Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
• Delphi ignition coils are designed to insert power into spark plugs to ensure fast starts, consistent engine performance and optimized fuel efficiency
• Delphi uses smart winding process techniques to controls wire lengths, keeping voltage the same
• We manufacture our ignition coils with a high quality wire coating that resists imperfections that lead to failure

Carquest Premium engine management products provide the right ignition coils for a wide range of domestic and import applications. They deliver the highest performance and durability under demanding conditions. Designed to meet OE quality and performance standards using top-quality components, our ignition coils are the best choice for your maintenance and repair needs.

Product Features:

• Coils are designed and engineered to be an OE quality replacement for fit and performance
• High-strength dielectric epoxy and 100% copper windings used to deliver high-temperature performance and vibration resistance
• High-efficiency laminations produce a high-energy spark and reliable performance
• Factories use ISO 9001 and IATF 16949 standards to deliver products designed to meet or exceed OE voltage output specifications
• Top-quality components and materials used to deliver maximum performance and long service life under tough operating conditions

Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils 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:

• 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.
• 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
• Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
• 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
• 100% end-of-line tested to ensure confidence and product reliability, every time.

Carquest Premium engine management products provide the right ignition coils for a wide range of domestic and import applications. They deliver the highest performance and durability under demanding conditions. Designed to meet OE quality and performance standards using top-quality components, our ignition coils are the best choice for your maintenance and repair needs.

Product Features:

• Coils are designed and engineered to be an OE quality replacement for fit and performance
• High-strength dielectric epoxy and 100% copper windings used to deliver high-temperature performance and vibration resistance
• High-efficiency laminations produce a high-energy spark and reliable performance
• Factories use ISO 9001 and IATF 16949 standards to deliver products designed to meet or exceed OE voltage output specifications
• Top-quality components and materials used to deliver maximum performance and long service life under tough operating conditions

High-performance ignition coils from Bosch guarantee a reliable voltage from the start, more ignition energy to ensure that your engine starts and runs smoothly. Bosch ignition systems combine the security of fully developed system engineering with the employment of the latest technology. The application of Bosch ignition coils ensures all advantages of the original equipment. Bosch Ignition coils provide more ignition energy to ensure that your engine starts well and runs smoothly. High-performance ignition coils from Bosch guarantee a reliable voltage from the start.

Product Features:

• Demand controlled ignition voltage
• Long spark duration
• Better engine performance
• Reduced fuel consumption
• Reduced obnoxious emissions in exhaust gas

All the ignition coils are built to achieve or exceed OE specifications and are known industry-wide for their reliability and performance. the ignition coils convert low voltage into high ignition system voltage, creating an electric spark sent to the spark plugs which ignites the fuel. the ignition coils provide excellent mechanical stability and corrosion protection. Also, the ignition coils contribute to lower fuel consumption and reduced exhaust emissions for your vehicle.

Product Features:

• Meets or exceeds OEM specification
• Ensures reliable voltage for smooth engine performance

All the ignition coils are built to achieve or exceed OE specifications and are known industry-wide for their reliability and performance. the ignition coils convert low voltage into high ignition system voltage, creating an electric spark sent to the spark plugs which ignites the fuel. the ignition coils provide excellent mechanical stability and corrosion protection. Also, the ignition coils contribute to lower fuel consumption and reduced exhaust emissions for your vehicle.

Product Features:

• Meets or exceeds OEM specification
• Ensures reliable voltage for smooth engine performance

Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils 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:

• 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.
• 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
• Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
• 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
• 100% end-of-line tested to ensure confidence and product reliability, every time.

Carquest ignition coils meet original equipment (OE) fit, form and function and are built to ensure reliable starting and performance. Carquest ignition coils are tested to ensure proper spark and perfect fit for each application. These ignition coils are an affordable repair choice to restore the vehicle¿s ignition system performance. Carquest ignition coils 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:

• Long service life and durable performance
• High dielectric strength for reliability
• Corrosion-resistant connections
• Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
• High reliability
• Long service life

All the ignition coils are built to achieve or exceed OE specifications and are known industry-wide for their reliability and performance. the ignition coils convert low voltage into high ignition system voltage, creating an electric spark sent to the spark plugs which ignites the fuel. the ignition coils provide excellent mechanical stability and corrosion protection. Also, the ignition coils contribute to lower fuel consumption and reduced exhaust emissions for your vehicle.

Product Features:

• Meets or exceeds OEM specification
• Ensures reliable voltage for smooth engine performance