Quote:
Originally Posted by Fifty150hs
I made the same switch myself awhile ago in an attempt to reduce my oil consumption. Seemed to work a little.
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Now that I've had new catalytic convertors for 1000 miles, I've found my oil consumption dropped 50%

and a lot fewer drips on the driveway. Must have been building up a lot of crankcase pressure and literally blowing oil out the main seals.
2002 X5 3.0 383,700 miles
2014 428i 71,700 miles
2004 325i sold at 123,600 miles
2001 325i sold at 66,000 miles
1970 Firebird under restoration