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      12-08-2017, 09:51 AM   #7
FOURSIXTEEN
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Drives: E90 M3 / 36 M3 / F80 M3
Join Date: May 2014
Location: DFW Texas

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Quote:
Originally Posted by deansbimmer View Post
This is common knowledge for shops with experience in these cars. Sorry you had a bad experience with your dealer.

All you need is a quick glance at the PS pump to know which version it is. Early cars have the belt routed on top of the PS pulley. Later style has the belt routed under the PS pulley.

You can also get into trouble buying that late style belt from anywhere other than BMW. The later style is a double sided belt and I'm not aware of any other source for that belt than from BMW. Auto part stores, Amazon, etc will almost always sell you the wrong belt if you're looking for the late style belt.
Thanks for input, I appreciate it. We only called the dealer for information. My car is at Greg Smith Racing. I dont trust dealer to work on a pencil sharpener hahahaah

Im not doubting this may seem common to you or others, in-fact thats comforting, but it is very annoying not being able to find any information online regarding it and also multiple BMW dealerships / Indy shops being ignorant to it as well (not huge fault on indi but still). I have found others on facebook with their cars being dead for months due to no information on this and not being able to get new pump to function (obviously spinning backwards). I would have loved to find the matching pump that spun the correct way, but BMW does not offer it and Bosch (ZF/Maval) do not have rebuilt versions that are anything other than the 002 version, so we were screwed regardless.

It is crazy to think you have to spend ~$500 plus labor on all new pulleys, belts, etc to change a pump due to BMW changing them mid production. I would be one thing if there was ample material regarding it and what to do etc OR the old style parts avalible. This kinda make we wan to go burn down my M3's in front of BMW NA hahaha. Im not sure why but this one really rustles my jimmies. I met a poor dude that bought a new rack thinking it was that (I almost did this) and it didnt fix issue and he wasted another grand.

All and all this is going to cost me more than rod bearings and also be an exponentially bigger pain in the a$$, so I am I bit bitter to say the least

Do you know of any underdrive pully work around to this or is the only option to use all OEM parts to re-rout everything? Im glad I havent put a MS underdrive pulley on yet since that would have to be replaced too.
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