Quote:
Originally Posted by EJT86
That's a good question. I'm not sure I got it off of iND's website
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I would hope that's outside, because inside of the car should be high 60's to 70's stock, lol.
EDIT:
Cruising speed at 85mph in top gear is 78db. Full throttle is 85db.
These are all in-cabin ratings.
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2011 e90 M3 Space Grey DCT ZCP- eAs, BMW Performance, Agency Power, Macht Schnell, iND, Milltek, Volk, Challenge, Stoptech, Ohlins
BMWCCA:518970