Anyone know the specific differences between LL01/LL04 and LL12FE+?
@Jayman1 I can understand going with a heavier oil, but why go with one that doesn't meet any of the (confusingly several) BMW specs that are mentioned for the B58?
I’ve been fortunate enough to push a few vehicles to the high 200K miles - and I’ve lost a couple before 100K too. I’m a firm believer in synthetic oils AND not changing brands or viscosity unless you’re drastically changing the demands you’re putting on the vehicle. I have no scientific data. Just superstitious.
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