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This Siemens transmission control unit manages gearbox operation and communication with the vehicle systems on BMW 5 (E39) models from 1995 to 2004. It is the TCU for the automatic transmission, so correct fitment depends on matching OEM numbers 1423886, 96023454, and 5WK33502AB with your original module. Use it to replace a faulty gearbox control module.
This Siemens transmission control unit manages gearbox operation and communication with the vehicle systems on BMW 5 (E39) models from 1995 to 2004. It is the TCU for the automatic transmission, so correct fitment depends on matching OEM numbers 1423886, 96023454, and 5WK33502AB with your original module. Use it to replace a faulty gearbox control module.
