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Walker 921-2252 Ignition Coil
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:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | 323i | 2.5L | L6 | N/A | To 04/2006, w/ Bosch System; Single Coil |
| 2006 | BMW | 325i | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
| 2006 | BMW | 325xi | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
| 2006 | BMW | 330i | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
| 2006 | BMW | 330xi | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
| 2006 | BMW | 525i | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
| 2006 | BMW | 525xi | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
| 2006 | BMW | 530i | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
| 2006 | BMW | 530xi | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
| 2006 | BMW | Z4 | 3.0L | L6 | N/A | For BOSCH Unit; Single Coil |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.