Quote:
Originally Posted by cfm56d7b
How would the engine handle additional stress? Every engine has an operating envelope and S58 is no exception.
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They are Germans. They know their stuff.
They won't push it to the max limit without thorough R&D.
This is only a beginning. Some others will claim more gain without knowing the details, just all about profit.
Quote:
Originally Posted by BMWZ4
My thoughts exactly. Geez...600+hp?...500 not enough lol?
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Of course not. American getting bigger and fatter. 600hp will be better than 500hp.
Quote:
Originally Posted by onfireX5
No worries on the driveline as it's mostly M5 parts and very overbuilt. S58 is totally forged so as long as your octane matches the tune, no issues there with a "moderate" boost increase.
As fast as these things are stock, I'm betting their X4M Standard Non Comp measured 540-550 engine hp stock. Then they added a safe 60ish.
This will make an awesome ride.......uhhhhh....awesomerrrrrrr
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Can't wait on mine too.
Do you want to ship your RaceChip GTS Black over to me first and get it reprogrammed right away when it is ready?