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      06-19-2018, 11:12 AM   #1167
Ab28
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Drives: E90 M3/E39 M5/128i
Join Date: Jan 2017
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Quote:
Originally Posted by euro View Post
Here's my hypothesis - never tested - just opinion.

Think about the curve of the M throttle map.

When you hit the M button when your at 50% physical throttle the throttle plates move via the plastic gears instantly to 80% or whatever the actual number is it shocks the gear teeth and eventually strips them.

I doubt that just mashing the pedal down to the floor could be as harsh as the controller but I don't do that to my car either.

Be advised these numbers are made up but I know the second number is higher because the curve is way above half when you're in M mode.

At the end of the day BMW should of had metal gears.
I had a feeling your logic dealt with the % jump.

Could be right, could be wrong. Thanks for the response.

All I know is that they wear down and the job is way easier than shops make it out to be.
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