Quote:
Originally Posted by gsrbri
Redline 0W-30 is LL-01 FE and is a group IV synthetic. Given all the oil pressure, volume, flow rate dependencies w/in the N55 (and all new BMW turbo engines), I wouldn't mess with viscosity. The old school rules don't apply.
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But Pennzoil lists their Euro 5w40 as premium oil for our engines. Redline lists 5w30.