E46 320d FL MAF issue

Hi

I am having issues with the maf, on Inpa I am getting Maf error and car has no power. So bought one from a spare shop, now no errors but still no power. Inpa maf reading shows only 38, so replaced the maf with a working one from another car and still getting low maf value on inpa.

When I unplug the maf the car pulls alot beter.

any ideas?




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