I presumed that the one currently on the car would be the right one, with part number 0280200205...however, I've just come across this list of part numbers here : http://www.injectioncorrection.co.uk/in ... cturer=BMW
which says the part I've been looking for was used from 1995 on. And there are 2 others listed which were used from 1988-1990. (one of them being 0280200204 which I could have bought for Ԛ£30 second hand the other day but turned down thinking it was wrong!
)Does anyone know if it matters? Is the reason for my dodgy idle the wrong AFM being fitted? Or is the 1995 unit compatable with a 1990 car and it's just knackered? Presumably I'd be best off going for the 1988-1990 unit...
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