I've always changed the oil on a 5K schedule. Used Castrol synthetic until a couple years ago when I switched to Mobil 1. I even did a break-in...
I have had missing pixels on my IC since I bought the 2001 X5 new. The IC was replaced once under warranty, which corrected it for a while. But...
My 2001 X5 4.4i has had clattering noise on startup since 45000 miles (has 110,000 now). Dealer insisted it was normal, despite my efforts to get it...
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