Walker 921-2319 Ignition Coil

Walker ThunderSpark Ignition Coil 921-2319

Walker ThunderSpark ignition coil 921-2319 is a direct-fit ignition coil for select BMW and Mini applications. It supports consistent spark delivery for engines that need reliable ignition performance, including BMW 335i, 535i, Z4, and Mini Cooper fitments.

Key Features

• Ignition coil for select BMW and Mini vehicles
• Walker ThunderSpark product line
• Part number 921-2319 for easy identification
• Fits multiple 2001-2016 applications across BMW and Mini models
• Application-specific fitment for listed vehicles

Fitment Coverage

• Fits 2009-2016 BMW Z4, N/A, ThunderSpark
• Fits 2011-2013 BMW 335is, N/A, ThunderSpark
• Fits 2011-2012 BMW 740i, N/A, ThunderSpark
• Fits 2011-2012 BMW 740Li, N/A, ThunderSpark
• Fits 2011 BMW 1 Series M, N/A, ThunderSpark
• Fits 2008-2010 BMW 135i, N/A, ThunderSpark
• Fits 2007-2010 BMW 335i, N/A, ThunderSpark
• Fits 2009-2010 BMW 335i xDrive, N/A, ThunderSpark
• Fits 2008-2010 BMW 535i, N/A, ThunderSpark
• Fits 2009-2010 BMW 535i xDrive, N/A, ThunderSpark
• Fits 2008-2010 BMW X6, N/A, ThunderSpark
• Fits 2007-2010 Mini Cooper, N/A, ThunderSpark
• Fits 2007-2008 BMW 335xi, N/A, ThunderSpark
• Fits 2008 BMW 535xi, N/A, ThunderSpark
• Fits 2006-2008 BMW Z4, N/A, For ELDOR Unit; ThunderSpark
• Fits 2001-2006 BMW M3, N/A, For ELDOR Unit; ThunderSpark

Detailed Description

The Walker ThunderSpark 921-2319 ignition coil is built for specific BMW and Mini engine applications where dependable spark output is critical. This ignition coil is listed for a wide range of BMW models, including 335i, 535i, X6, Z4, and M3, plus Mini Cooper coverage. The ThunderSpark line identifies the product family for these vehicle-specific ignition needs, and the part number 921-2319 helps confirm the correct match during service.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Engine misfire conditions tied to weak ignition output
• Rough idle caused by inconsistent spark delivery
• Hard starting related to ignition coil failure
• Loss of acceleration response from degraded coil performance
• Check engine light concerns associated with ignition faults

Installation Notes and Tips

Verify the vehicle year, make, model, and engine application against the fitment list before ordering. Confirm whether your BMW Z4 or BMW M3 uses the listed ELDOR unit note where applicable. Inspect related ignition components during service and replace any worn connectors or damaged boots as needed. Use the part number 921-2319 to confirm the correct coil before installation.

Quality Assurance

Walker ThunderSpark parts are cataloged for specific vehicle applications to support accurate replacement selection. Confirm fitment against the listed BMW and Mini models before installation.