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  1. Oil leak through exhaust manifold?

    E60 M5 and E61 M5 Touring Discussion
    After removing the front subframe for my rod bearing job, I noticed pretty distinct signs of oil weeping from the studs of the exhaust port of cylinder # 1 on the passenger side of the vehicle. A lot of the oil in the surrounding area is from a previous leak through the oil cooler that didn't...
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