BMW M3 and BMW M4 Forum - View Single Post - BMW M3/M4 s55 Engine RPM Redline Projections via Technical Sound Analysis

NISFAN · 07-31-2013, 08:14 AM

Can someone use the sound trace to measure drop in frequency after a gear change? That will give much more important data than RPM MAX.

07-31-2013, 08:14 AM	#109
NISFAN Major General 3487 Rep 9,709 Posts Drives: BMW M2 Join Date: Aug 2012 Location: Bedford UK iTrader: (0)	Can someone use the sound trace to measure drop in frequency after a gear change? That will give much more important data than RPM MAX.
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