BMW E46 E60 E85 E90 Ignition Coil 12137594937 OEM Replacement

BMW E46/E60/E85/E90 series with N42/N46 four-cylinder engines can directly use KLP ignition coil (OEM 12137594937, also compatible with 12137562744 and 0221504470). High-density epoxy resin encapsulation and copper winding; OEM-matched; superior thermal stability and aging resistance; low fault rate under continuous load. Converts low voltage to high voltage to drive spark plug ignition; critical for combustion efficiency and power response.