Thread: Help
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Old 08-25-2012, 04:29 PM
ard ard is offline
Resident Curmudgeon
Location: Sierra foothills, California USA
Join Date: Jul 2009
Posts: 15,643
Mein Auto: '12 X5 35d/E39M5/996TTX50
It uses ATF. Automatic transmission fluid.

I'll bet it was never serviced. Sad.

m5board dot com, much written about this. You have multiple hoses that can leak- low pressure (cheap) and high pressure ($$$)...oh, and if you are lucky like me a pump which grenaded and cost $400, plus $400 for hoses, a new reservour, and a very messy 3 hours.

At the very least, find out what is leaking, Buy the part and replace it, get as much old fluid out as you can, then add fluid, run and top off. I had so much metal in my system (ie the only part that wasnt replaced was the steering biox) that I had to run a few quarts through to flush the debris properly...


Keep it as simple as possible...but no simpler.
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