Join Date: Nov 2001
Location: Sydney Australia
all these oils such as mobil 1 are real expesive, the best we find out here (admittedly it's not that cold) is castrol r synthetic 10/60 (real expsive though about 80 AUD for 5 litres) i personally have found that anything sub 50 ain't so good in a boxer unless you have an oil cooler i was using 10 50 for a long time and was getting pretty low consumption, but with a 60 i get near none, maybe 50ml after 5000ks if that
mobil 1 is good though and i would say th 5/50 would be the go, but it isn't cheap, and synthetic oils will create a lot of oil leaks for aboth 10,000ks if you haven't been using fully synthetic oils in you engine already as the seals need time to condition themselves to these oils
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