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      01-27-2020, 09:23 AM   #1
Muntter
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Drives: BMW M5 Competition
Join Date: Nov 2019
Location: Essex

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Issue with LC on UK car

I ran a launch control on Sat morning and all was as it should be.
A 10 mile drive later, I tried another. While it all seemed ok, the revs were around 3k and within a couple of seconds, they drop to around 2300. Then I lift the break and the car launched forward. Until that is it hit the red line in 1st, and just bounced off it several times.
Thinking I must have made some error in the set up sequence (difficult as my M1 button basically applied everything to do an LC), I tried a few more times, same result, wouldn’t change gear and stuck in 1st.

I haven’t tried since, but I’m aware that getting it wrong and bouncing off the red line is not ideal for the car, yet how else can I test LC without doing as LC?

My thought was, if I wasn’t in LC mode, surely the revs would hit the red line before I even launched? The fact they are 3k and drop to around 2500 with my foot fully down, implies I’m in LC mode, right?

I have idrive 7 fwiw

Last edited by Muntter; 01-27-2020 at 01:23 PM..
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