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      05-20-2018, 02:01 PM   #2
craigbeal
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Drives: BMW F31 330D
Join Date: May 2018
Location: Bangor, Wales, Uk

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An update if anyone ever has the same issue...

I dismantled & checked all the inlet pipes from the air filter down to the turbo for leaks and all seem fine and in good condition, so the took off EGR valve and cleaned that using carb cleaner and although it had a little carbon build up didn't seem much.

Also took off the MAP sensor on the manifold which again I've cleaned using contact cleaner and had quite a lot of carbon buildup on it but not sure how much inside the actual sensor itself.

Took it for a drive and so far so good but will wait and see as the MIL P0101 is only triggered under certain loads and not very often. Fingers crossed as there doesn't seem much in the way of info for the N57D30 engine ....
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