Homeβ€Ί Ignition > Hardware, Fasteners and Fittingsβ€Ί Walker 900-P2005 Coil Boot
Part #: 900-P2005

Walker 900-P2005 Coil Boot

ThunderCore-Ultra
122 vehicles fit this part
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
ThunderCore-Ultra
Fitment: BMW, 525i, 540i, M5, X5, Z8, 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, 530i, Z3, 323i, 740i, 740iL, 323Ci, 328Ci, 328i, 528i, 323is, 328is, 840Ci, 325is, and 525iT
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Fast Shipping β€” Most orders ship same business day before 1pm CST

Overview of Walker ThunderCore-Ultra Coil Boot 900-P2005

The Walker ThunderCore-Ultra Coil Boot 900-P2005 is designed for reliable ignition performance in various BMW models. This coil boot ensures a secure connection between the ignition coil and spark plug, supporting efficient engine operation.

  • Compatible with multiple BMW models including 323Ci, 325i, 330i, 525i, 740i, M5, X5, and Z8
  • Part number 900-P2005 for precise identification and fitment
  • Constructed to maintain optimal electrical insulation and durability
  • Part of the ThunderCore-Ultra line, known for enhanced ignition hardware components
  • Designed to withstand high temperatures and engine vibrations

Detailed Description of the Coil Boot 900-P2005

The Walker ThunderCore-Ultra coil boot 900-P2005 serves as a critical component in the ignition system of select BMW vehicles. It provides a secure and insulated connection between the ignition coil and spark plug, which is essential for consistent spark delivery and engine performance. This coil boot is engineered to resist heat and mechanical stress, ensuring longevity and reliable operation under demanding conditions. Compatible with BMW models such as the 323i, 328i, 330i, 525i, 740i, M5, and X5, this part supports a wide range of vehicles from sedans to SUVs and performance cars.

About the ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition hardware, fasteners, and fittings designed to meet the rigorous demands of modern engines. Products in this line, including the 900-P2005 coil boot, emphasize durability and precise fitment to maintain ignition system integrity. This line is tailored to provide components that help reduce ignition misfires and improve overall engine reliability.

Common Applications and Issues Addressed

  • Replacement for worn or cracked coil boots causing misfires
  • Prevention of electrical arcing and spark loss in ignition systems
  • Restores proper spark plug connection in BMW 323i, 330i, 525i, and other compatible models
  • Helps resolve rough idling and engine hesitation related to ignition faults
  • Supports maintenance of ignition system performance in high-mileage vehicles

Installation Notes and Tips

  • Ensure engine is cool before installation to avoid burns
  • Verify compatibility with your specific BMW model and engine type
  • Inspect ignition coil and spark plug terminals for corrosion before fitting
  • Apply dielectric grease to the inside of the coil boot to improve electrical contact and ease installation
  • Securely seat the coil boot to prevent moisture intrusion and ensure proper spark delivery

Quality Assurance and Warranty

Walker manufactures the ThunderCore-Ultra coil boot 900-P2005 to meet industry standards for ignition components. While specific warranty details are not provided, Walker products typically undergo rigorous quality control to ensure durability and performance. For warranty information, refer to the product packaging or contact the manufacturer directly.

This part fits 122 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BMW525i2.5LL6N/AThunderCore-Ultra
2004BMW525i2.5LL6N/AThunderCore-Ultra
2003BMW525i2.5LL6N/AThunderCore-Ultra
2003BMW540i4.4LV8N/AThunderCore-Ultra
2003BMWM55.0LV8N/AThunderCore-Ultra
2003BMWM54.9LV8N/AThunderCore-Ultra
2003BMWX54.4LV8N/AThunderCore-Ultra
2003BMWZ85.0LV8N/AThunderCore-Ultra
2003BMWZ84.8LV8N/AThunderCore-Ultra
2002BMW325Ci2.5LL6N/AThunderCore-Ultra
2002BMW325i2.5LL6N/AThunderCore-Ultra
2002BMW325xi2.5LL6N/AThunderCore-Ultra
2002BMW330Ci3.0LL6N/AThunderCore-Ultra
2002BMW330i3.0LL6N/AThunderCore-Ultra
2002BMW330xi3.0LL6N/AThunderCore-Ultra
2002BMW525i2.5LL6N/AThunderCore-Ultra
2002BMW530i3.0LL6N/AThunderCore-Ultra
2002BMW540i4.4LV8N/AThunderCore-Ultra
2002BMWM55.0LV8N/AThunderCore-Ultra
2002BMWM54.9LV8N/AThunderCore-Ultra
2002BMWX54.6LV8N/AThunderCore-Ultra
2002BMWX54.4LV8N/AThunderCore-Ultra
2002BMWX53.0LL6N/AThunderCore-Ultra
2002BMWZ33.0LL6N/AThunderCore-Ultra
2002BMWZ32.5LL6N/AThunderCore-Ultra
2002BMWZ85.0LV8N/AThunderCore-Ultra
2001BMW323i2.5LL6N/AThunderCore-Ultra
2001BMW325Ci2.5LL6N/AThunderCore-Ultra
2001BMW325i2.5LL6N/AThunderCore-Ultra
2001BMW325xi2.5LL6N/AThunderCore-Ultra
2001BMW330Ci3.0LL6N/AThunderCore-Ultra
2001BMW330i3.0LL6N/AThunderCore-Ultra
2001BMW330xi3.0LL6N/AThunderCore-Ultra
2001BMW525i2.5LL6N/AThunderCore-Ultra
2001BMW530i3.0LL6N/AThunderCore-Ultra
2001BMW540i4.4LV8N/AThunderCore-Ultra
2001BMW740i4.4LV8N/AThunderCore-Ultra
2001BMW740iL4.4LV8N/AThunderCore-Ultra
2001BMWM55.0LV8N/AThunderCore-Ultra
2001BMWM54.9LV8N/AThunderCore-Ultra
2001BMWX54.4LV8N/AThunderCore-Ultra
2001BMWX53.0LL6N/AThunderCore-Ultra
2001BMWZ33.0LL6N/AThunderCore-Ultra
2001BMWZ32.5LL6N/AThunderCore-Ultra
2001BMWZ85.0LV8N/AThunderCore-Ultra
2001BMWZ84.9LV8N/AThunderCore-Ultra
2000BMW323Ci2.5LL6N/AThunderCore-Ultra
2000BMW323i2.5LL6N/AThunderCore-Ultra
2000BMW328Ci2.8LL6N/AThunderCore-Ultra
2000BMW328i2.8LL6N/AThunderCore-Ultra
2000BMW528i2.8LL6N/AThunderCore-Ultra
2000BMW540i4.4LV8N/AThunderCore-Ultra
2000BMW740i4.4LV8N/AThunderCore-Ultra
2000BMW740iL4.4LV8N/AThunderCore-Ultra
2000BMWM55.0LV8N/AThunderCore-Ultra
2000BMWM54.9LV8N/AThunderCore-Ultra
2000BMWX54.4LV8N/AThunderCore-Ultra
2000BMWZ32.8LL6N/AThunderCore-Ultra
2000BMWZ32.5LL6N/AThunderCore-Ultra
2000BMWZ85.0LV8N/AThunderCore-Ultra
1999BMW323i2.5LL6N/AThunderCore-Ultra
1999BMW323is2.5LL6N/AThunderCore-Ultra
1999BMW328i2.8LL6N/AThunderCore-Ultra
1999BMW328is2.8LL6N/AThunderCore-Ultra
1999BMW528i2.8LL6N/AThunderCore-Ultra
1999BMW540i4.4LV8N/AThunderCore-Ultra
1999BMW740i4.4LV8N/AThunderCore-Ultra
1999BMW740iL4.4LV8N/AThunderCore-Ultra
1999BMWM54.9LV8N/AThunderCore-Ultra
1999BMWZ32.8LL6N/AThunderCore-Ultra
1999BMWZ32.5LL6N/AThunderCore-Ultra
1998BMW323i2.5LL6N/AThunderCore-Ultra
1998BMW323is2.5LL6N/AThunderCore-Ultra
1998BMW328i2.8LL6N/AThunderCore-Ultra
1998BMW328is2.8LL6N/AThunderCore-Ultra
1998BMW528i2.8LL6N/AThunderCore-Ultra
1998BMW540i4.4LV8N/AThunderCore-Ultra
1998BMW740i4.4LV8N/AThunderCore-Ultra
1998BMW740iL4.4LV8N/AThunderCore-Ultra
1998BMWZ32.8LL6N/AThunderCore-Ultra
1997BMW323i2.5LL6N/AThunderCore-Ultra
1997BMW325i2.5LL6N/AThunderCore-Ultra
1997BMW328i2.8LL6N/AThunderCore-Ultra
1997BMW328is2.8LL6N/AThunderCore-Ultra
1997BMW528i2.8LL6N/AThunderCore-Ultra
1997BMW540i4.4LV8N/AThunderCore-Ultra
1997BMW740i4.4LV8N/AThunderCore-Ultra
1997BMW740iL4.4LV8N/AThunderCore-Ultra
1997BMW840Ci4.4LV8N/AThunderCore-Ultra
1997BMWZ32.8LL6N/AThunderCore-Ultra
1996BMW325i2.5LL6N/AThunderCore-Ultra
1996BMW328i2.8LL6N/AThunderCore-Ultra
1996BMW328is2.8LL6N/AThunderCore-Ultra
1996BMW528i2.8LL6N/AThunderCore-Ultra
1996BMW740iL4.4LV8N/AThunderCore-Ultra
1996BMW840Ci4.4LV8N/AThunderCore-Ultra
1995BMW325i2.5LL6N/AThunderCore-Ultra
1995BMW325is2.5LL6N/AThunderCore-Ultra
1995BMW525i2.5LL6N/AThunderCore-Ultra
1995BMW530i3.0LV8N/AThunderCore-Ultra
1995BMW540i4.0LV8N/AThunderCore-Ultra
1995BMW740i4.0LV8N/AThunderCore-Ultra
1995BMW740iL4.0LV8N/AThunderCore-Ultra
1995BMW840Ci4.0LV8N/AThunderCore-Ultra
1994BMW325i2.5LL6N/AThunderCore-Ultra
1994BMW325is2.5LL6N/AThunderCore-Ultra
1994BMW525i2.5LL6N/AThunderCore-Ultra
1994BMW530i3.0LV8N/AThunderCore-Ultra
1994BMW540i4.0LV8N/AThunderCore-Ultra
1994BMW740i4.0LV8N/AThunderCore-Ultra
1994BMW740iL4.0LV8N/AThunderCore-Ultra
1994BMW840Ci4.0LV8N/AThunderCore-Ultra
1993BMW325i2.5LL6N/AThunderCore-Ultra
1993BMW325is2.5LL6N/AThunderCore-Ultra
1993BMW525i2.5LL6N/AThunderCore-Ultra
1993BMW525iT2.5LL6N/AThunderCore-Ultra
1993BMW740i4.0LV8N/AThunderCore-Ultra
1993BMW740iL4.0LV8N/AThunderCore-Ultra
1992BMW325i2.5LL6N/AThunderCore-Ultra
1992BMW325is2.5LL6N/AThunderCore-Ultra
1992BMW525i2.5LL6N/AThunderCore-Ultra
1991BMW525i2.5LL6N/AThunderCore-Ultra

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.