BMW 525i Ignition and Tune-Up Products

Essential BMW 525i Ignition and Tune-Up Products

Carquest Premium – Distributor Rotor (Part No.DAA1232)

Distributor Rotor

from

$56.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
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Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach

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$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a 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 – Knock Sensor (Part No.SBC4019)

Knock Sensor

from

$64.99
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 Carquest 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.
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Carquest Premium – Knock Sensor (Part No.SBC3898)

Knock Sensor

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$212.99
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 Carquest 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.
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Carquest Premium – Ignition Coil (Part No.EBC1548)

Ignition Coil

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$86.99
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:
  • 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
  • 100% end-of-line tested to ensure proper performance
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Bosch – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.1227030081)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

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$81.99
Benefits of Bosch original equipment quality ignitions coils include the right ignition voltage, long lasting spark, better engine running conditions, lower fuel consumption, and reduced exhaust emissions.

Product Features:
  • Meets or exceeds OEM specification
  • Ensures reliable voltage for smooth engine performance
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Bosch – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.0221504465)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

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$52.99
Benefits of Bosch original equipment quality ignitions coils include the right ignition voltage, long lasting spark, better engine running conditions, lower fuel consumption, and reduced exhaust emissions.

Product Features:
  • Meets or exceeds OEM specification
  • Ensures reliable voltage for smooth engine performance
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Carquest Premium – Ignition Coil (Part No.EBC1793)

Ignition Coil

from

$48.49
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
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E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.64)

DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency

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$8.49
The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “diamond-shaped” side wire electrode enhances combustion by quickly igniting the air/fuel mixture, resulting in a larger and faster flame kernel. This translates to improved power output by up to 6% on average and significant fuel savings, while also reducing engine carbon deposits for a cleaner burn. Constructed with durable nickel for both the center and ground electrode tips, this spark plug is built to last. Its gasket seat type ensures a secure fit, and the pre-gapped design eliminates the need for adjustments, making installation hassle-free. Upgrade to this advanced spark plug for enhanced engine performance, better fuel efficiency, and a cleaner, more reliable ride.

Product Features:
  • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
  • Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
  • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
  • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
  • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
  • The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
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DENSO – Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition (Part No.4504)

Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition

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$3.99
The Platinum TT Spark Plug with its advanced twin-tip design ensures faster flame propagation for more complete combustion, enhancing ignition performance and efficiency. Featuring a platinum center electrode, it delivers excellent conductivity and durability, while the titanium-enhanced ground strap ensures superior performance and extended lifespan. The flat seat type provides a secure fit, making it compatible with a variety of vehicles. Designed for reliability and longevity, this spark plug is a dependable choice for maintaining consistent engine performance. Its high-quality materials and innovative design make it a valuable addition to your vehicle’s ignition system.

Product Features:
  • Platinum Twin-Tip Design: Features a platinum twin-tip design for enhanced ignition performance and efficiency.
  • Titanium-Enhanced Ground Strap: Equipped with a titanium-enhanced ground strap, ensuring superior performance and longevity.
  • High-Quality Platinum Center Electrode: The center electrode tip is made from high-quality platinum, providing excellent conductivity and durability.
  • Superior Performance and Longevity: Designed to deliver superior performance and extended lifespan, making it a reliable choice for your vehicle’s ignition needs.
  • Flat Seat Compatibility: The flat seat type ensures a secure and precise fit, making it suitable for a wide range of vehicle applications.
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Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP3924)

Double Platinum Spark Plug: Enhanced Durability & Performance

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$6.99
Double Platinum Spark Plug offers enhanced durability and performance with its platinum-to-platinum design, effectively reducing gap erosion and minimizing misfires for a longer service life. Engineered for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. Featuring a mid-projection center electrode and flat seat type, this performance-grade spark plug is built with platinum-tipped electrodes for consistent ignition and lasting reliability. Designed to deliver exceptional value, it is a dependable choice for those seeking improved engine efficiency and longevity.

Product Features:
  • Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
  • The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
  • Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
  • The multi-rib insulator prevents flash-over.
  • Designed with a mid-projection center electrode and flat seat type to ensure consistent ignition and reliable performance in demanding conditions.
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DENSO – Iridium Long-Life Spark Plug: OE Performance, SK20HR11 (Part No.3421)

Iridium Long-Life Spark Plug: OE Performance, SK20HR11

from

$13.99
Engineered to meet the highest OE performance, durability, and emissions standards, this Iridium Long-Life Spark Plug is a game-changer for your vehicle’s ignition system. Featuring DENSO’s patented Iridium Alloy with a 90% Iridium fine wire center electrode and a platinum ground electrode, it delivers exceptional spark performance and longevity, lasting up to three times longer than conventional plugs. The 360-degree laser welding process ensures a robust bond and structural integrity, even under extreme conditions exceeding 4,000 Deg F. Designed for sustained performance over 100,000 miles, it enhances engine efficiency by providing more horsepower, quicker starts, and fewer misfires, even under heavy loads. Additionally, its advanced design promotes better fuel efficiency, helping you save on costs while reducing emissions. With a flat seat type and premium materials, this spark plug is built to endure and optimize your vehicle’s performance for the long haul.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent 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.
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Carquest Premium – Ignition Switch (Part No.CSA4148)

Ignition Switch

from

$159.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Ignition Switch allows for reliable control of the vehicle’s electrical systems and engine start-up, enhancing convenience and ensuring consistent performance during operation. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Carquest Premium – Ignition Switch (Part No.CSA3194)

Ignition Switch

from

$194.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Ignition Switch allows for reliable control of the vehicle’s electrical systems and engine start-up, enhancing convenience and ensuring consistent performance during operation. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Carquest Premium – Ignition Switch (Part No.CSC1516)

Ignition Switch

from

$87.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Ignition Switch allows for reliable control of the vehicle’s electrical systems and engine start-up, enhancing convenience and ensuring consistent performance during operation. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Carquest Premium – Ignition Switch (Part No.CSA3195)

Ignition Switch

from

$196.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Ignition Switch allows for reliable control of the vehicle’s electrical systems and engine start-up, enhancing convenience and ensuring consistent performance during operation. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Carquest Premium – Distributor Cap (Part No.CAE1689)

Distributor Cap

from

$86.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
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Carquest Premium – Distributor Cap and Rotor Kit (Part No.CAE1835)

Distributor Cap and Rotor Kit

from

$132.99
The distributor cap & rotor are just two pieces of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

Product Features:
  • All products are constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Cap terminal conductor wires formed with precision guided machines to ensure precise final location in the final housing assembly.
  • Terminal inserts manufactured to precise tolerances to ensure a guaranteed electrical connection between the cap conductor wires and spark plug wire terminals.
  • Distributor rotor blade coated with RFI coating to prevent electrical magnetic interference with the vehicles electrical system.
  • Distributor and rotor housings manufactured using the latest plastic technologies to guarantee di-electric strength and long life cycle.
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Carquest Premium – Coil On Plug Insulator Boot: Spring included, Designed for direct fit (Part No.35-7030)

Coil On Plug Insulator Boot: Spring included, Designed for direct fit

from

$6.49
Carquest Premium spark plug boots are engineered to restore ignition boot reliability and performance. They are designed to meet or exceed original equipment (O.E.) specifications for fit, form and function. Our spark plug boots offer excellent heat resistance as well as maximum protection against spark loss. Carquest Premium spark plug boots are built with a durable silicone compound for resistance to high heat and abrasion, resulting in a longer-lasting ignition repair.

Product Features:


    Product Features:
    • OE design provides an exact fit for your application
    • Provides excellent heat resistance as well as maximum protection against spark loss
    • Durable silicone compound for resistance to high heat or abrasion
    • Spring included with the spark plug boot
    • Design for direct compatibility
    • Multipack provides one time replace all COP for better deal
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Helping You Find the Right Ignition and Tune-Up Products for Your BMW 525i

You love your 525i. So we’ve made it easier than ever to help you find BMW 525i Ignition and Tune-Up Products in our online catalog. Our inventory holds 95 aftermarket and OEM Ignition and Tune-Up Products for your BMW 525i, ranging from $2.99 to $252.99.

We offer parts from 12 brands trusted to make quality Ignition and Tune-Up Products for your BMW 525i. Before you buy, take some time to read through customer reviews. We currently have 16,876 reviews of BMW 525i Ignition and Tune-Up Products from previous customers. Some of the top rated parts include DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency with 4.1 stars and Laser Platinum Spark Plug (BKR6EQUP): High Ignitability & Longevity with 4.8 stars.

Find your 525i Ignition and Tune-Up Products here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your BMW 525i 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 Ignition and Tune-Up Products Brands for Your BMW 525i

Our inventory holds Ignition and Tune-Up Products for your BMW 525i from 12 trusted brands. You’ll find OEM and aftermarket parts from brands like Autolite, DENSO, and NGK, all of which can keep that BMW happy.

Top-Rated Autolite Ignition and Tune-Up Products

Leading Autolite Ignition and Tune-Up Products

We carry Autolite brand parts for your BMW 525i across several catalog categories, including Spark Plugs. Some of our most reviewed Autolite parts include:

FAQs for BMW 525i Ignition and Tune-Up Products

What are the most purchased Ignition and Tune-Up Products for the BMW 525i?

Out of 95 Ignition and Tune-Up Products for the BMW 525i, the most popular in our inventory are:

What are the top-rated BMW 525i Ignition and Tune-Up Products?

Top-rated Ignition and Tune-Up Products for your BMW 525i based on customer reviews/ratings are:
DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency
from $8.49
(184)
DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency
“Works well, better gas milage”
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
from $3.99
(105)
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
“Running great now. Nicer plugs than what I had.”