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oil cooler

  1. Thinking about purchasing the RPi oil cooler

    E60 M5 and E61 M5 Touring Discussion
    I don't have any plans to take my M5 to the track, and living in the Northwest means - I hardly see our summer hi temps reach 90. I do however, have a lead foot and drive...spiritedly everywhere I go. Today, it was 87 and I was "hunting" up and down I-90 and my oil temps were running just...
  2. Undiagnosed Oil Temperature Issue

    E60 M5 and E61 M5 Touring Discussion
    I've been having oil temperature creep up uncomfortably past normal operating temperature. So far, I've replaced an oil cooler, oiler cooler hoses, radiator, thermostat, and the oil filter housing thermostat. Any ideas where to look next? Maybe just a bad temperature sensor? and if it's a...
  3. Rebuilt engine: How to properly prime system & oil cooler w/fresh oil?

    E34 M5 Discussion
    I am currently in the process of rebuilding my S38B36 after discovering a bad head gasket. Obviously, oil has been drained from the entire system including the oil cooler. I was wondering if anyone could confirm the proper way to prime the entire system in a newly rebuilt engine, and...