OE Quality
60-Day Returns

Walker 921-2319 Ignition Coil
Reliable Ignition Coil for BMW and Mini Vehicles
The Walker ThunderSpark Ignition Coil 921-2319 is engineered to deliver consistent ignition performance for select BMW and Mini models. Designed to meet OEM specifications, this ignition coil ensures efficient spark delivery for smooth engine operation.
- Compatible with BMW 1 Series M, 135i, 335i, 335is, 335i xDrive, 335xi, 535i, 535i xDrive, 535xi, 740i, 740Li, M3, X6, Z4
- Also fits Mini Cooper models
- Walker ThunderSpark product line designed for reliable ignition system components
- Part number 921-2319 for precise fitment and identification
About the Walker ThunderSpark Product Line
The ThunderSpark line from Walker focuses on ignition components that provide dependable performance and durability. This ignition coil is part of that line, offering a direct replacement solution that aligns with the electrical and mechanical requirements of BMW and Mini ignition systems.
Product Details and Compatibility
The Walker 921-2319 ignition coil is specifically designed for a range of BMW and Mini vehicles, including performance and luxury models such as the BMW M3 and 740Li, as well as the Mini Cooper. Its construction supports optimal spark generation, which is critical for engine efficiency and emissions control. This ignition coil is engineered to maintain consistent voltage output under various operating conditions, ensuring reliable engine starts and smooth acceleration.
Common Applications and Problem Resolution
- Resolves engine misfires caused by faulty ignition coils
- Improves rough idling and hesitation during acceleration
- Addresses poor fuel economy linked to ignition issues
- Eliminates check engine light triggers related to ignition faults
- Restores proper engine performance in BMW and Mini models listed
Installation Notes and Tips
Installation of the Walker ThunderSpark 921-2319 ignition coil should be performed following manufacturer guidelines. Ensure the ignition system is powered off before removal of the old coil. Verify connector compatibility and secure mounting to prevent vibration damage. Testing the ignition system after installation is recommended to confirm proper operation.
Quality Assurance and Warranty
Walker ignition coils undergo rigorous quality control to meet industry standards. While specific warranty details are not provided here, Walker products typically come with manufacturer-backed warranties to ensure reliability and customer confidence.
This part fits 49 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | BMW | Z4 | 3.0L | L6 | N/A | ThunderSpark |
| 2015 | BMW | Z4 | 3.0L | L6 | N/A | ThunderSpark |
| 2014 | BMW | Z4 | 3.0L | L6 | N/A | ThunderSpark |
| 2013 | BMW | 335is | 3.0L | L6 | N/A | ThunderSpark |
| 2013 | BMW | Z4 | 3.0L | L6 | N/A | ThunderSpark |
| 2012 | BMW | 335is | 3.0L | L6 | N/A | ThunderSpark |
| 2012 | BMW | 740i | 3.0L | L6 | N/A | ThunderSpark |
| 2012 | BMW | 740Li | 3.0L | L6 | N/A | ThunderSpark |
| 2012 | BMW | Z4 | 3.0L | L6 | N/A | ThunderSpark |
| 2011 | BMW | 1 Series M | 3.0L | L6 | N/A | ThunderSpark |
| 2011 | BMW | 335is | 3.0L | L6 | N/A | ThunderSpark |
| 2011 | BMW | 740i | 3.0L | L6 | N/A | ThunderSpark |
| 2011 | BMW | 740Li | 3.0L | L6 | N/A | ThunderSpark |
| 2011 | BMW | Z4 | 3.0L | L6 | N/A | ThunderSpark |
| 2010 | BMW | 135i | 3.0L | L6 | N/A | ThunderSpark |
| 2010 | BMW | 335i | 3.0L | L6 | N/A | ThunderSpark |
| 2010 | BMW | 335i xDrive | 3.0L | L6 | N/A | ThunderSpark |
| 2010 | BMW | 535i | 3.0L | L6 | N/A | ThunderSpark |
| 2010 | BMW | 535i xDrive | 3.0L | L6 | N/A | ThunderSpark |
| 2010 | BMW | X6 | 3.0L | L6 | N/A | ThunderSpark |
| 2010 | BMW | Z4 | 3.0L | L6 | N/A | ThunderSpark |
| 2010 | Mini | Cooper | 1.6L | L4 | N/A | ThunderSpark |
| 2009 | BMW | 135i | 3.0L | L6 | N/A | ThunderSpark |
| 2009 | BMW | 335i | 3.0L | L6 | N/A | ThunderSpark |
| 2009 | BMW | 335i xDrive | 3.0L | L6 | N/A | ThunderSpark |
| 2009 | BMW | 535i | 3.0L | L6 | N/A | ThunderSpark |
| 2009 | BMW | 535i xDrive | 3.0L | L6 | N/A | ThunderSpark |
| 2009 | BMW | X6 | 3.0L | L6 | N/A | ThunderSpark |
| 2009 | BMW | Z4 | 3.0L | L6 | N/A | ThunderSpark |
| 2009 | Mini | Cooper | 1.6L | L4 | N/A | ThunderSpark |
| 2008 | BMW | 135i | 3.0L | L6 | N/A | ThunderSpark |
| 2008 | BMW | 335i | 3.0L | L6 | N/A | ThunderSpark |
| 2008 | BMW | 335xi | 3.0L | L6 | N/A | ThunderSpark |
| 2008 | BMW | 535i | 3.0L | L6 | N/A | ThunderSpark |
| 2008 | BMW | 535xi | 3.0L | L6 | N/A | ThunderSpark |
| 2008 | BMW | X6 | 3.0L | L6 | N/A | ThunderSpark |
| 2008 | BMW | Z4 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
| 2008 | Mini | Cooper | 1.6L | L4 | N/A | ThunderSpark |
| 2007 | BMW | 335i | 3.0L | L6 | N/A | ThunderSpark |
| 2007 | BMW | 335xi | 3.0L | L6 | N/A | ThunderSpark |
| 2007 | BMW | Z4 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
| 2007 | Mini | Cooper | 1.6L | L4 | N/A | ThunderSpark |
| 2006 | BMW | M3 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
| 2006 | BMW | Z4 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
| 2005 | BMW | M3 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
| 2004 | BMW | M3 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
| 2003 | BMW | M3 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
| 2002 | BMW | M3 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
| 2001 | BMW | M3 | 3.2L | L6 | N/A | For ELDOR Unit; ThunderSpark |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.