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Ignition coils play a vital role in the performance, efficiency, and health of your M42, M50, S50, and M60 BMW engine. Each cylinder gets its own ignition coil for optimum efficiency (no more spark plug wires) and it fires at precisely the right time to ensure a complete burn of the fuel/air mixture. A bad coil will result in misfires, rough running, stumbling, poor fuel economy, and other engine issues. Also, unburnt fuel will also damage catalytic converters and O2 sensors. Diagnosis of misfires and rough running almost always starts with the ignition coils. You can usually isolate faulty coils by moving them to different cylinder banks. However, we always recommend replacing coils in complete sets to eliminate the damage to computers, control modules, and other electrical systems from a voltage spike.
Price listed is per coil. This part number includes the rubber connector boot. For M42 engine, remove the rubber boot. This coil is produced by Bosch, the original supplier to BMW for this ignition coil and many other ignition and others parts for your car. It has a two year warranty. This ignition coil has been revised by BMW several times and is sometimes referenced by multiple different part numbers. This coil is the latest version from and may be used to replace an of the following ignition coil part numbers: 12137599218 (12 13 7 599 218), 12131748395 (12 13 1 748 395), 12131703359 (12 13 1 703 359), 12137731884 (12 13 7 731 884), 12131730765 (12 13 1 730 765), 12131748394 (12 13 1 748 394), 12131729842 (12 13 1 729 842), 12131726178 (12 13 1 726 178), 12131726177 (12 13 1 726 177), 12131727108 (12 13 1 727 108), 12131734468 (12 13 1 734 468)
BMW Fitments:
3 Series
E30 (84-91) > 318is
3 Series
E36 (92-99) > 318i M42
E36 (92-99) > 318ic M42
E36 (92-99) > 318is M42
E36 (92-99) > 325i
E36 (92-99) > 325ic
E36 (92-99) > 325is
E36 (92-99) > M3 (1995)
5 Series
E34 (89-95) > 525i M50
E34 (89-95) > 530i
E34 (89-95) > 540i
7 Series
E32 (88-94) > 740i
E32 (88-94) > 740iL
8 Series
E31 (91-97) > 840Ci
$79.99
Ignition Coil Pack, OEM Bosch - E36, E34, E32, E31 (12139066468)
Replace your old and failing coils to optimize the health and performance of your engine
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