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Reduced engine power
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03-15-2021, 01:20 PM
ard
Member
Join Date: Mar 2006
Location: Sierra Foothills, California
Posts: 6,765
Probably a leak somewhere relating to the intake. A seal, a vacuum hose, a fitting
There are TONS of posts about this relating to "BMW diesels" (not specifically on X5s)
Could also be a sensor issue, MAF/MAP perhaps...
ard
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