Walker 924-1204 Spark Plug Wire Set

Walker ThunderCore PRO 924-1204 Spark Plug Wire Set

Walker ThunderCore PRO 924-1204 is a spark plug wire set built for BMW ignition service where OE-style fit and consistent electrical performance matter. It is manufactured in the USA in an ISO 9001 certified facility and built to meet or exceed OEM specifications and test requirements.

The ThunderCore PRO line focuses on premium ignition components, including hi-temp silicone boots and tips, stainless steel terminals, and protective tubes. A packet of dielectric grease is included to support proper terminal connection during service.

Key Features

• Fits 1991-1999 BMW 318i, N/A
• Fits 1991-1999 BMW 318is, N/A
• Fits 1995-1999 BMW 318ti, N/A
• Fits 1996-1998 BMW Z3, N/A
• Walker ThunderCore PRO ignition wire set for BMW 318i, 318is, 318ti, and Z3 applications
• Hi-temp OE-quality silicone boots and tips
• Stainless steel terminals and tubes
• Supplied with dielectric grease
• Manufactured to OEM or equivalent specifications

Product Details

Walker ThunderCore PRO 924-1204 is engineered for BMW ignition systems that require dependable spark delivery and OE-style construction. This part cross-references Karlyn 491SW/LOOM for the same application. It is a direct-fit style replacement for select BMW 318i, BMW 318is, BMW 318ti, and BMW Z3 models, making it a practical choice for ignition wire replacement on 1991-1999 BMW 318i and related applications.

Common Issues This Part Can Address

• Misfires caused by worn or heat-damaged plug wires
• Hard starting related to weak spark transfer
• Rough idle from deteriorated ignition wire insulation
• Electrical leakage at aging boots or terminals
• Intermittent ignition performance on BMW 318i, 318is, 318ti, and Z3 models

Installation Notes

Match each wire to the correct cylinder routing before removal, and transfer one lead at a time to preserve firing order. Clean the plug and coil connection points before installation, apply the supplied dielectric grease where specified, and confirm that each boot seats fully on the terminal. Verify routing away from hot exhaust components and moving parts.

Quality Assurance

Walker Products manufactures ThunderCore PRO components in an ISO 9001 certified facility in the USA and states that this wire set meets or exceeds OEM specifications and test requirements. The part number is 924-1204.