Who else has pitch black oil at every oil change?? i use mobil 1 15W50 and change every 4-5k and its like texas gold everytime! :D anyone else?
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I got 6-7k on 5-30 Mobil 1 in the M3
Comes out amber goodness every time.Tenured Automotive Service Professional - Avid BMW Enthusiast
Vapor Honing & E30 ABS Pump Refurbishment Service
https://mtechniqueabs.com/
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I use 5W40 and it's a necessity in the winter time where I live but it has good all year around properties as well. The previous owner had not taken good care of my iX and I made two oil changes within a few weeks and the colour got much clearer on the second change. Now that's the engine, you should have seen what came out of the rear diff, that was pure black tar. That oil had lost it's properties a long time ago..
I swear the car used less gas after the change of oil in the drive line, very noticeable out of gear when rolling down a hill or on flat road (much less friction).
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