Genuine BMW 380 mm Battery Ground Cable - E30 E36 E38 E46 inc. 330i, M3, 750i, Z4 M 3.2
Restore reliable starting and charging performance with this Genuine BMW battery ground cable, also known as the negative battery cable, earth strap or chassis ground lead. This OEM BMW part delivers perfect factory fitment and long term durability on classic E-chassis models where the original ground strap often corrodes with age. Length 380 mm. Part number 12421737755.
We have fitted this part on our own projects and customer cars with excellent results. Customers consistently report smoother cranking, steadier voltage and fewer intermittent electrical niggles after replacing a tired ground strap. If you are refreshing your battery, starter or alternator, this is a smart preventative maintenance upgrade.
Why choose Genuine BMW
- OEM quality and exact fit for fast, hassle free installation
- Restores strong chassis earth for stable starting and charging
- Reduces voltage drop caused by old, corroded or high resistance ground straps
- Correct BMW specification - 380 mm length, robust cable and factory terminals
- Ideal for restoration, reliability upgrades and routine maintenance
Compatibility
Fits a wide range of E-chassis BMW models, including but not limited to:
- 3 Series
- E30 - Saloon, Coupe, Convertible, Touring
- E36 - Saloon, Compact, Coupe, Convertible, Touring
- E46 - Saloon, Compact, Coupe, Convertible, Touring
- 5 Series
- E34 - Saloon, Touring
- E39 - Saloon, Touring
- 7 Series
- E32
- E38
- 8 Series
- E31
- Z3
- E36 - Roadster, Coupe
- Z4
- E85
- E86
Popular applications include BMW E30, E36, E46 330i, M3, E32 and E38 750i, Z4 M 3.2 and many more models listed above.
Part number
12421737755
Manufactured by
BMW
Fitting service
Professional fitting is available at Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Compatibility check
We verify fitment before dispatch. Enter your UK registration or the last 7 digits of your VIN at checkout so we can confirm this part suits your vehicle.
Warranty
Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a VIN is provided at checkout on compatible vehicles.
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