Morning Richard
Same technique as the brother inlaw, the stupid thing is even after doing a few oil changes on his car I haven't checked !!!!! How amateur is that I will feel a real plank if there is one.
His current ride is a G31 B57 540d x drive ECU tuned 380 bhp and its an awesome bit of kit he had it de-badged so no one is sure what it actually is. Its covered 130k so far without issue
Dave