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oil sump

  1. Ultrasonic clean oil pan

    E60 M5 and E61 M5 Touring Discussion
    As the title suggests I'm curious if anyone has had their oil pan cleaned ultrasonically at all? I'm looking to replace my current pre-LCI oil pan with a dual drain plug LCI oil pan I recently acquired so I'm wanting to have it cleaned before I swap all the hardware across from my old oil pan...
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