Originally Posted by PhillyNate
I've had to add oil only twice. Strangely only when the car has nothing but Castrol TWS 10w60 in it. When I top off with Lubro Moly Syntech 10w60(BMW approved in Europe) the car stops consuming oil until it gets changed and filled with Castrol again. Go figure.
Same here, switched to lubro-moly 10w60 and have noticed less oil consumption. 53k on the clock, change every 7.5k and try to redline once a day once warmed up.
I burn about 0.5 qt every 5-6k.