Thread: Rear Main Seal?
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Old 10-20-2008, 11:13 AM
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Al's540i Al's540i is online now
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Location: Oklahoma City
Join Date: Jul 2006
Posts: 780
Mein Auto: '00 BMW 540i; '11 BMW X5
Originally Posted by cn90 View Post
The engine oil dye thingy is here:

Your 540i has the FILLER plug on the drivers side (instead of the passenger side as for 528i):

Now drive the car normally and check oil levels (engine oil + man trans oil) at 300-500 miles interval. If one goes down then you know the source of the leak.
On my 540i the filler plug is on the passenger side of the tranny pan.

2011 BMW X5
2000 BMW 540i

2010 Mercedes ML350 (History)
1998 Audi A6 Quattro (History)
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