Can a face lift e39 m54 inpa plug be used to run a diagnosis on a pre facelift m54tu e39 which has a port under the steering wheel and the port in.the engine compartment.
Can a face lift e39 m54 inpa plug be used to run a diagnosis on a pre facelift m54tu e39 which has a port under the steering wheel and the port in.the engine compartment.
No if it has the round plug under the bonnet then you must use it!Originally Posted by mac7
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