HomeIgnition > Ignition CoilWalker 900-P2005-6 Coil Boot Kit
Part #: 900-P2005-6

Walker 900-P2005-6 Coil Boot Kit

ThunderCore-Ultra
69 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
ThunderCore-Ultra
Fitment: BMW, 525i, 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, 530i, Z3, 323i, X5, 323Ci, 328Ci, 328i, 528i, 323is, 328is, 325is, and 525iT
Easy Returns — Return within 60 days for a full refund
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Overview of Walker ThunderCore-Ultra Coil Boot Kit

The Walker ThunderCore-Ultra Coil Boot Kit 900-P2005-6 is designed specifically for a range of BMW models, including the 3 Series, 5 Series, X5, and Z3. This coil boot kit ensures reliable ignition performance by maintaining a secure connection between the ignition coil and spark plug.

  • Compatible with BMW 323Ci, 323i, 323is, 325Ci, 325i, 325is, 325xi, 328Ci, 328i, 328is, 330Ci, 330i, 330xi, 525i, 525iT, 528i, 530i, X5, and Z3 models
  • Part number 900-P2005-6 for precise identification and fitment
  • Includes coil boot components engineered for optimal electrical insulation and durability
  • Part of the Walker ThunderCore-Ultra product line, known for quality ignition system components

About the ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition system parts that provide consistent electrical performance and durability. This coil boot kit is engineered to meet the specific requirements of BMW ignition systems, ensuring proper spark delivery and minimizing misfires. The product line emphasizes compatibility and reliability for professional automotive maintenance and repair.

Product Description and Application

The Walker 900-P2005-6 coil boot kit is designed to replace worn or damaged coil boots on select BMW vehicles. It provides a secure and insulated connection between the ignition coil and spark plug, which is critical for efficient engine operation. This kit is suitable for various BMW 3 Series and 5 Series models, as well as the X5 and Z3, supporting proper ignition timing and engine performance.

Common Issues Addressed by This Coil Boot Kit

  • Ignition misfires caused by degraded coil boot insulation
  • Intermittent engine hesitation or rough idling
  • Difficulty starting the engine due to poor spark delivery
  • Electrical arcing or coil boot cracking from heat exposure
  • Reduced fuel efficiency linked to ignition system faults

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Disconnect the battery to prevent electrical shorts during replacement
  • Carefully remove the old coil boots without damaging the ignition coil or spark plugs
  • Apply dielectric grease to the inside of the new boots to improve electrical conductivity and ease future removal
  • Verify secure seating of the coil boots to prevent moisture intrusion and maintain proper spark delivery

Quality Assurance and Warranty

Walker manufactures the ThunderCore-Ultra coil boot kit to meet OEM standards for fit and function. While specific warranty details for part number 900-P2005-6 should be confirmed with the supplier, Walker products typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence in product reliability.

This part fits 69 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BMW525i2.5LL6N/AThunderCore-Ultra
2004BMW525i2.5LL6N/AThunderCore-Ultra
2003BMW525i2.5LL6N/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
2002BMWZ33.0LL6N/AThunderCore-Ultra
2002BMWZ32.5LL6N/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
2001BMWX53.0LL6N/AThunderCore-Ultra
2001BMWZ33.0LL6N/AThunderCore-Ultra
2001BMWZ32.5LL6N/AThunderCore-Ultra
2000BMW323Ci2.5LL6N/AThunderCore-Ultra
2000BMW323i2.5LL6N/AThunderCore-Ultra
2000BMW328Ci2.8LL6N/AThunderCore-Ultra
2000BMW328i2.8LL6N/AThunderCore-Ultra
2000BMW528i2.8LL6N/AThunderCore-Ultra
2000BMWZ32.8LL6N/AThunderCore-Ultra
2000BMWZ32.5LL6N/AThunderCore-Ultra
1999BMW323i2.5LL6N/AThunderCore-Ultra
1999BMW323is2.5LL6N/AThunderCore-Ultra
1999BMW328i2.8LL6N/AThunderCore-Ultra
1999BMW328is2.8LL6N/AThunderCore-Ultra
1999BMW528i2.8LL6N/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
1998BMWZ32.8LL6N/AThunderCore-Ultra
1997BMW323i2.5LL6N/AThunderCore-Ultra
1997BMW325i2.5LL6N/AThunderCore-Ultra
1997BMW328i2.8LL6N/AThunderCore-Ultra
1997BMW328is2.8LL6N/AThunderCore-Ultra
1997BMW528i2.8LL6N/AThunderCore-Ultra
1997BMWZ32.8LL6N/AThunderCore-Ultra
1996BMW325i2.5LL6N/AThunderCore-Ultra
1996BMW328i2.8LL6N/AThunderCore-Ultra
1996BMW328is2.8LL6N/AThunderCore-Ultra
1996BMW528i2.8LL6N/AThunderCore-Ultra
1995BMW325i2.5LL6N/AThunderCore-Ultra
1995BMW325is2.5LL6N/AThunderCore-Ultra
1995BMW525i2.5LL6N/AThunderCore-Ultra
1994BMW325i2.5LL6N/AThunderCore-Ultra
1994BMW325is2.5LL6N/AThunderCore-Ultra
1994BMW525i2.5LL6N/AThunderCore-Ultra
1993BMW325i2.5LL6N/AThunderCore-Ultra
1993BMW325is2.5LL6N/AThunderCore-Ultra
1993BMW525i2.5LL6N/AThunderCore-Ultra
1993BMW525iT2.5LL6N/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.