BMW M42 4 cyl

Choose M50 NON-Vanos : M42 harness is same, just some pins will be unused (4 cyl not 6cyl)

If you have any notable deviation, write details (pin / function) on this page, and we will investigate.

You can use the [M50 Non-Vanos] column as reference


MAP is an abbreviation, => capital letters: Manifold Absolute Pressure


> wideband there is original wiring in the engine bay ?

Factory loom has too few wires. So small loom is provided (included) for the LSU4.9 or LSU4.2 (both have 5 wires; connector is different).

Which is best to use for my engine?