My family's 2006 X5 with low mileage is experiencing brown leakage from the front left side of the engine. Vehicle is maintained well. Can't seem to find source of leak short of going to expensive repairer. Any ideas what the leak could be?
Probably oil... Most likely valve cover gasket , around 660+ 150 or so in parts. About the same if the oil filter housing gasket is leaking. Your best bet is to take it to a BMW shop.
2006 X5 L83 5.3 6l80 swapped in progress
1999 528i 5.7L 4l60e swapped w/ 31 spline 8.8 cobra diff
2007 ZX-10r - sold
1987 R-10 SWB L83 5.3L 6L80e swapped
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