HomeIgnition > Ignition CoilWalker 921-2252 Ignition Coil
Part #: 921-2252

Walker 921-2252 Ignition Coil

Single Coil
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Single Coil
Fitment: BMW, 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4
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Walker Single Coil Ignition Coil 921-2252

Walker 921-2252 is a single ignition coil for Bosch-equipped BMW applications. It is listed for specific 2006 BMW models and supports direct replacement needs where the original Bosch unit is specified.

Key Features

  • Single coil ignition coil for Bosch system applications
  • Fits 2006 BMW 323i, to 04/2006, w/ Bosch System
  • Fits 2006 BMW 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4, for BOSCH Unit
  • Walker Single Coil product line
  • Part number 921-2252 for application matching and catalog lookup

Detailed Description

This ignition coil is built for BMW vehicles that use a Bosch ignition system and require a single-coil replacement. The Walker Single Coil line focuses on application-specific coverage, and 921-2252 is cataloged for 2006 BMW 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4 models with Bosch unit requirements. If you are searching for a 2006 BMW 325i ignition coil or a Bosch ignition coil for a 2006 BMW 330i, this part number is the direct fit reference to verify.

Common Replacement Reasons

  • Engine misfire or rough idle
  • Hard starting or intermittent no-start condition
  • Loss of spark at one cylinder
  • Check engine light related to ignition performance
  • Restoring proper ignition output on Bosch-equipped BMW models

Installation Notes and Tips

Confirm the Bosch unit requirement before ordering, since fitment is limited to the listed BMW applications. Match the part number 921-2252 to the vehicle’s ignition system and verify the model year, especially the 2006 BMW 323i note that applies to vehicles built to 04/2006. Inspect related ignition components during replacement and clear diagnostic codes after installation if needed.

Quality Assurance

Walker catalogs this ignition coil as a vehicle-specific replacement for the listed BMW applications, with fitment organized by Bosch system requirements and model coverage.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006BMW323i2.5LL6N/ATo 04/2006, w/ Bosch System; Single Coil
2006BMW325i3.0LL6N/AFor BOSCH Unit; Single Coil
2006BMW325xi3.0LL6N/AFor BOSCH Unit; Single Coil
2006BMW330i3.0LL6N/AFor BOSCH Unit; Single Coil
2006BMW330xi3.0LL6N/AFor BOSCH Unit; Single Coil
2006BMW525i3.0LL6N/AFor BOSCH Unit; Single Coil
2006BMW525xi3.0LL6N/AFor BOSCH Unit; Single Coil
2006BMW530i3.0LL6N/AFor BOSCH Unit; Single Coil
2006BMW530xi3.0LL6N/AFor BOSCH Unit; Single Coil
2006BMWZ43.0LL6N/AFor BOSCH Unit; Single Coil

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