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Old 12-12-2011, 10:20 PM   #23
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Join Date: Jul 2007
Location: Milton
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Originally Posted by MaxBell View Post

Question: one oil filter housing is from the E36 M50TU (left) and one is from the E34 M50 NV (right). The VANOS one has a broken power steering bolt in it, while the other doesn't. They're the same part # on RealOEM, but they look different. (especially the VANOS one on the left has that valve at the bottom)

I believe thats a check valve to keep pressure in the vanos system. Also if you hadn't noticed, there a banjo bolt for vanos on the rear of the M50tu filter stand, you need that.

85 325 - Turbo M52B28.
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