Look what I found on DDT4ALL today (well I think I may have found it before but I have just found it again) in the EVC section of the ECU's Requested speed Setpoint for FSL function - (I am presuming the SL stands for 'Speed Limiter' ) So, got me wondering . Its set to 200km/h - so is that...

I drive up and down the J4a - J2 average speed section of the M3 each week and have found that setting the speed limiter to 51mph is the optimum. Setting it higher causes regular audible warnings. When I came down the M3 yesterday, I noticed that they had raised the speed limit to 55mph near...