BMW 525xi Ignition and Tune-Up Products

Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

• Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
• Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
• Designed to meet or exceed all OEM specifications in fit, form & function
• Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.

Encore Automotive Genuine OE knock sensor detects excessive/unusual pulses caused by the engine ignition and makes proper adjustments to reduce the risk of damaging pistons. Encore Automotive is dedicated to bringing the latest original equipment technologies to the Aftermarket to provide the highest overall value.

Product Features:

• Genuine OE Part
• Highly accurate engine vibration detection
• Excellent material quality

The VDO OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:

• OEM quality direct fit application
• Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
• Mounting hole is the same size as OE
• Maintains OE specifications for frequency response

IDEMITSU Premium PSF is specifically engineered to meet the demanding performance requirements of Honda and Acura power steering units. This advanced technology fluid is formulated with premium quality base oils and the latest additive technologies to provide outstanding protection and performance under the most servere environmental and driving conditions.IDEMITSU Premium PSF can also be used in most Asian Original Equipment Manufacturer (OEM) power steering units that do not utilize electronic power steering technology.

Product Features:

• Unique friction technology provides efficient and noise-free operation
• Advanced formulation technology provides outstanding protection to the entire power steering system while delivering smooth performance under the most severe operating conditions
• Superior low temperature performance for easy flow and protection against cavitation and elimination of “squawking” and “squealing”
• Excellent compatibility with seals, gaskets and internal components to reduce the potential for leaks and ensures smooth performance over extended intervals
• Robust anti-wear and inhibitor chemistry provides enhanced component and fluid durability and long-life

Champion® Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

Product Features:

• Fine-wire iridium center electrode laser-locked to center electrode
• Platinum ground to ensure high performance and long life
• Maintains stable operating temperature under all engine loads
• Greatest engine performance regardless of engine type or ignition system

This spark plug features a platinum twin-tip design and a titanium-enhanced ground strap, ensuring superior performance and longevity. The center electrode tip is made from high-quality platinum, providing excellent conductivity and durability. Additionally, the flat seat type ensures a secure and precise fit, making it an ideal choice for enhancing your vehicle’s ignition system.

Product Features:

• Platinum Twin-Tip Design: The Denso Platinum TT Spark Plug features a twin-tip design with a high-quality platinum center electrode, ensuring excellent conductivity and enhanced ignition performance.
• Titanium-Enhanced Ground Strap: Equipped with a titanium-enhanced ground strap, this spark plug offers superior durability and longevity, making it a reliable choice for your vehicle’s ignition system.
• Superior Conductivity: The platinum center electrode tip provides excellent conductivity, ensuring efficient and consistent ignition for improved engine performance.
• Enhanced Ignition System: Designed to enhance your vehicle’s ignition system, the Denso Platinum TT Spark Plug delivers superior performance and reliability, making it an ideal choice for automotive enthusiasts.

Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:

• Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
• Platinum ground electrode for extended life
• DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
• Sustained spark performance over 100,000 miles
• Lasts up to three times as long as conventional plugs
• Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
• Iridium Long Life
• Enhanced Engine Performance: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, thanks to the advanced properties of DENSO’s Iridium alloy.
• Fuel Efficiency: Experience better conservation of fuel at all times, contributing to overall vehicle efficiency and cost savings.

Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:

• 0.6 mm finewire design improves ignitability
• Patented V-trimmed platinum sidewire technology resists wear
• OE equivalent design is engineered for every engine
• Designed for better overall durability with virtually no gap erosion
• Double Iridium-Enhanced Alloy Technology Center Electrode: Offers improved durability and wear resistance for a longer-lasting spark plug.
• Designed and Engineered in the USA: Reflects over 100 years of Autolite’s engineering experience and expertise.
• Proven Track Record: Part of a legacy with over 11 billion spark plugs sold, ensuring trusted performance and reliability.

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:

• Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
• Multi-rib insulator reduces danger of “flash-over”
• One-piece terminal post adds strength
• Resistor reduces radio frequency interference (RFI) and electrode erosion

ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:

• Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
• Pure copper core provides great heat transfer and helps maximize plug durability
• Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
• Ribless insulator helps optimize plug to boot sea
• Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
• Premium aftermarket replacement part
• Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

2X longer service life compared to standard copper plugs Bosch Platinum Spark Plugs are the newest member of our OE fine wire spark plug family. From the brand trusted in the world’s most advanced engines, Bosch Platinum Spark Plugs are engineered to provide you with improved ignitability and performance.

Product Features:

• OE design for optimum fit and function
• Fine wire design delivers improved ignitability and performance life
• Center electrode is an ultra fine wire design.
• Copper core provides broader heat range to resist pre-ignition
• Tapered shape ground electrode reduces flame shrouding for improved combustion
• Yttrium enhanced to resist wear
• Nickel-plated shell with rolled threads
• Ribbed insulator design

NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:

• SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
• PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
• TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
• SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
• COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
• RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered c

Product Features:

• SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
• IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
• TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
• SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
• TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
• RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs

Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:

• Copper Plus – Dependable Performance and Durability
• Copper core center electrode allows for accurate control of heat range for longer life
• Superior corrosion resistance
• Built to ISO and SAE standards for proven 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

NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 year’s experience and are driven by extreme dedication to innovation, performance and quality. Developed and rigorously tested in our ISO 17025 accredited test lab under the most extreme conditions, NGK’s coil designs will outperform all others – far beyond operational environments a vehicle would actually experience

Product Features:

• OE QUALITY: Vacuum-sealed premium epoxy resin and thermoplastic coil housings provide superior dielectric strength, voltage insulation and durability
• OPTIMAL PERFORMANCE: Precision coil windings and laminations maximize outputs, custom NGK ASIC chipset optimizes efficiency, prevents component damage
• EASE OF INSTALLATION: NGK Ignition Coils include ignition control module, premium high temperature coil boot, and jumper harnesses where required
• THE NGK DIFFERENCE: Featuring superior materials and design enhancements.
• EXTENSIVE TESTING: NGK ignition coils must pass extreme testing during manufacturing to ensure the highest quality and durability standards are met
• PRODUCT ENGINEERING: Advanced flow and stress modeling systems preemptively identify and avoid common failure points found in OE and competitor coils

Intermotor® is a complete engine management import line that includes ignition and electrical relays, switches and sensors with a concentration on high technology categories such as computerized engine controls, fuel injection, and emission controls with coverage for every part number with an import nameplate. Intermotor® parts are unrivalled for quality, original fit, form, function, and coverage providing a genuine import part in every box. Intermotor® is the import leader by design.

Product Features:

• 100% pure copper windings in primary and secondary bobbins improve durability and provide higher resistance to internal shorts and dielectric breakdown
• Thermoplastic housing withstands heat stress for enhanced durability
• Internal core made from grain oriented electrical steel limits loss factor within magnetic circuit to reduce heat and ensure coil endurance
• External core made from oriented silicon steel ensures durability and longevity
• Stainless steel spring resists corrosion
• Tin-plated brass terminals improve electrical contact and protect against corrosion
• High-dielectric epoxy injected into case and pulled into vacuum to eliminate air pockets and prevent moisture intrusion or thermal breakdown
• Silicone rubber boot withstands extreme heat to ensure superior insulation

NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 year’s experience and are driven by extreme dedication to innovation, performance and quality. Developed and rigorously tested in our ISO 17025 accredited test lab under the most extreme conditions, NGK’s coil designs will outperform all others – far beyond operational environments a vehicle would actually experience

Product Features:

• OE QUALITY: Vacuum-sealed premium epoxy resin and thermoplastic coil housings provide superior dielectric strength, voltage insulation and durability
• OPTIMAL PERFORMANCE: Precision coil windings and laminations maximize outputs, custom NGK ASIC chipset optimizes efficiency, prevents component damage
• EASE OF INSTALLATION: NGK Ignition Coils include ignition control module, premium high temperature coil boot, and jumper harnesses where required
• THE NGK DIFFERENCE: Featuring superior materials and design enhancements.
• EXTENSIVE TESTING: NGK ignition coils must pass extreme testing during manufacturing to ensure the highest quality and durability standards are met
• PRODUCT ENGINEERING: Advanced flow and stress modeling systems preemptively identify and avoid common failure points found in OE and competitor coils

Delphi ignition coils feature precise spark timing response for increased fuel economy and faster crank-to-run. The ignition coils provide accurate electrical energy to create a voltage potential at the spark plug, providing for superior engine performance that adjusts to driving and environment conditions. Plus, like all Delphi ignition system components, they enable engine management systems to maintain tighter control over emissions, economy and performance.

Product Features:

• Improved dwell accuracy decreases module and coil temperatures for greater reliability
• Noise abatement material between laminations reduces audible coil noise
• Cassettes have improved primary connector for greater ease of assembly compared to designs with one connector for each coil
• Lower primary inductance provides high-speed performance
• Early and precise electronic spark timing helps improve fuel economy and provides faster crank-to-run
• Higher energy delivered to combustible mixture provides cleaner combustion to help manufacturers meet on-board diagnostics (OBD II) requirements
• Direct connection to spark plugs (via small boot) eliminates spark plug wires
• Composite iron coils provide programmable energy
• Coil per cylinder dwell overlap electronics deliver better high speed performance and better heat dissipation compared to some conventional technologies
• Coil per cylinder ramp and fire electronics decrease power dissipation and increase efficiency
• Radio frequency interference (RFI)suppressor optional

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 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.

Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.

Product Features:

• Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
• Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
• Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
• We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues

Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.

Product Features:

• Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
• Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
• Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
• We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues

Carquest Premium ignition coil sets 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 coil sets 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 coil sets with an industry-leading warranty. Carquest Premium ignition coil sets 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:

• Built by IATF 16949 certified manufacturers for consistent durability
• Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
• Segmented secondary bobbins to distribute high voltage and prevent shorting
• Extensive design validation testing to ensure long-lasting reliability
• 100% end-of-line tested to ensure proper performance
• Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

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.

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.