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      03-04-2021, 10:12 PM   #17
m6NYC
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Drives: 2015 BMW M6 Gran Coupé
Join Date: Feb 2020
Location: Brooklyn New York

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Quote:
Originally Posted by Spacecpe View Post
Sounds like a leaky injector.. no codes popping up?
Quote:
Originally Posted by BLACK KILLER View Post
I dare to assume that irreversible changes have occurred in the cylinders. What is the consumption of engine oil?
Quote:
Originally Posted by Mr. M6 View Post
replace MAF or injectors, i was having leaky injectors before without any codes & checked them with ISTA showing all good, replaced later and all fine now, good luck
Quote:
Originally Posted by Spacecpe View Post
Honestly with the rod bearing issues on this platform, I'd make injectors a regular maintenance item, maybe every 40k ish, new injectors. Every 10k plugs, every 15-20k all O2 sensors. And im sure everyone wouldn't have any issues
Hey guys, just to update this thread in case someone else has a similar issue.

Found out my smaller axillary coolant tank was slowly leaking, always seems empty. Turbo coolant lines were clean.
My stock plastic intercoolers had a crack and was leaking coolant into the engine.
Replaced them both with VRSF Charge Coolers and my problem is solved.
Also the AFE Cold Air Intakes were throwing off my fuel trim causing a 6-7miles per gallon. Reverted those back to stock with charcoal filter delete and my problems are solved!
Appreciate 0