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      12-19-2019, 12:56 AM   #18
widetyres
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Drives: M3 E92 DCT, 2012
Join Date: Oct 2018
Location: UK

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Quote:
Originally Posted by MZWIE View Post
Is there some consensus here. It appears that BM Stage 2 on stock equipment works fine. (I do not track my car).

This would be great considering the cost of the mechanical upgrades supposedly needed.
Bm3 is very sensitive to octane and intake temps.

Running stage 1 93 (stock), I had alot of quite large knocks, even on supposedly good fuel, and had to drop to the stage 1 91 map.

MHD have stated in threads that a dp is mandatory for stage 2, but that an intercooler is optional depending on climate, but they have a stage 2+ that needs an intercooler (not sure how this equates to Bm3)

Unless you are living on the Arctic, I would definitely do the intercooler - our cars pull timing from ~115 degrees. On a 3/4/5 gear I was seeing intake temps >120, with an ambient of 55. (stage 1)

Honestly, you'd be insane to run the car at stage 2 without going FBO imo.
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