Quote:
Originally Posted by tonycarreon
all m96/m97 engines have the IMS bearing, and that is the problem. porsche removed the IMS for the 2009 MY.
it is possible to replace the bearing in the larger shaft with an LN bearing, but requires removing the shaft from the car (your current situation).
if it's already there i'd replace it. though LN recommends replacing every 4 yrs/50k miles. meaning you'll have to disassemble again if you go with the larger one from porsche.
it all depends on if you want to roll the dice again. there are people on the forum who have had multiple failures, and those who have had no failures.
let me ask, since you have a TIP, what's your driving style? hard? easy? somewhere in between? do you let the car get near the reline, or just let the transmission do the shifting?
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Unless I'm on a freeway I drive it in manual mode for the fun of it and to to keep it from lugging around like it would in auto. I avoid 4,000+ until it's warmed up and I run it hard every day ot two under the theory oil sloshing around will lube the IMSB (and for the fun of it). I don't baby it, but don't thrash it either. I've never tracked it.