[330ciprem]

Originally Posted by DrFerry

My Car:
E92 M3 build date = 07/2008
Current Mileage = 96,000 miles
Harrop Super Charger for last ~25,000 miles
Still on the Original Rod Bearings
Oil Top Ups done with Mobil-1 10W40 or 0W40 - BUT I have used 10W60 TWS for its whole life (so far).
Oil changes only ever done when the CBS iDrive said to do so - or about every 12K to 15K miles.

Car has had a hard life, and that's an understatement. See my profile page to know why. Daily driver mainly with near red line shifts routinely i.e. driven as hard on the street as I can get away with most of the time. South East ambient environment in an area that sees some ice and snow, but in recent years has also seen single digit temps some mornings. Always used and respected the dynamic red line zone. Never tracked, though my drive to work is most likely similar to some folks track driving. Always garaged at night unless on a business trip, but parked outside at work. Been running drag radials with the Harrop to get back second gear. Lots and lots of hard accel with the drag radials.

Perhaps due to normal wear my bearings have some extra clearance - by now - but after reading all 147 pages I am considering a switch to a thinner oil to mitigate the flow and clearance issues. Mobil-1 5W50 or Motul 0W40 are what I'm considering. Just wanted to put this data point out there. Maybe I got lucky over the cars 10 year life so far with the M1 10W40 or 0W40 top ups, because I never could find the 10W60 in stock anywhere.

PS:
The definitive Castrol TWS 10W-60 thread
http://www.m3forum.net/m3forum/showthread.php?t=295656

96000 miles

With supercharger

On ORIGINAL BEARINGS

WITH TRACK DAYS

That's insane!!