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      09-22-2020, 12:23 PM   #13
Saif2018
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Drives: E90 335i
Join Date: Jan 2019
Location: UK

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Quote:
Originally Posted by BdSM n54iS View Post
I've been running MHD stage 2+ for a few years. Cobb before that. Been on v8 stage 2+ for a long time. A while ago I took cold start off just for a break... STILL on stage 2+! Put external pcv on. Flashed to 7.1 stage 2+ but with cold start turned back on again only after having it off for a month or two. CAR FREAKED. Flashed to v8 stage 0 for the first time! With cold start and still unhappy. I need new o2 sensors.
I doubt its the map, v7.1 is known to be reliable, and I've been running it since I tuned my car with cold starts. What about V9 with cold start?
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