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Full Version: m46 320d No power
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Hi Please advice. BMW 320d start easy, but when accelerate slow. Remove Maf sensor wire better but not to mention, smoke a lot when MAF remove, any advice please
Lack of power usually means the turbo is not boosting any more.

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The list of possible problems is quite long. Try this howto guide:

http://www.bmwforums.info/general-guides...ssues.html
(24-12-2016 05:35 PM)hennies1 Wrote: [ -> ]Hi Please advice. BMW 320d start easy, but when accelerate slow. Remove Maf sensor wire better but not to mention, smoke a lot when MAF remove, any advice please

Hi Hennie. I had a similar problem however no smoke with MAF sensor removed. It turned out to be a perished vacuum line. Easy to inspect/replace. Remove the engine cover and there will be a vacuum line running top front. If it is broken or bad condition, replace it and see if the turbo kicks in.
Start off with replacing vacuum lines and cleaning out egr. Then clean out intercooler and inspect for boost leaks. Replace oil separator also.

Then remove DPF (better known as CAT)
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