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      03-16-2009, 09:38 AM   #5
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lucid's Avatar

Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

iTrader: (0)

Originally Posted by Ramphaus View Post
just checked the service menu and it says "20000" for front and "29000" for rear. Is that reliable? I have 10000 total now...have HPDE at end of month. Just need them to last through that.

Looking at them the front look pretty meaty - about 8mm? and rears are about 5?

Obviously I'm learning
I think you can wear them down to 3-4mm. The idrive "estimate" kind of works for street use, but it's not accurate for track driving--meaning you can see thousands of miles being dropped in a single session depending on what you are doing. If you only have 10000 street miles on your stock pads, my guess is that you should be fine, but I strongly suggest you get some proper track pads anyway--especially if you will be using track rubber. You don't want to end up with vibrations on your pedal for 3-4 weeks after your track day...