Quote:
Originally Posted by stevehifi
From what I discussed with Alex, the CS coding is generic for both M3 and M4.
The shocks are valved the same (same dyno curves) and for a certain spring rate range (which the ZCP/Base springs fall into).
It's possible that there is a scaling factor applied based on the measurements
taken from the shock acceleration sensor (sensing the up and down motions
of the wheel when hitting bumps) and telling the electronic adjuster at the top of the shock to stiffen/soften the shock.
So if the M4 runs stiffer springs vs the M3, then it may not matter in the end, since the sensor really is the one determining the appropriate shock adjustment based on wheel motion (up/down).
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I am surprised BMW would use the exact same EDC software for the F80 and F82 chassis. The two cars have different weight distribution and Cg heights. IMO, it’s more than just the accelerometer input, the starting position of the valves would be different.
If BMW really has the same EDC software in the M3cs than in the M4cs, it truly makes the M3cs a half ass effort.