Originally Posted By: kschachn
Depending on the temperature, 5W-20 may be specified for that engine, same as my E34 M60.
Originally Posted By: demarpaint
For starters why did you put 5W20 in that engine? Because one person on the internet liked it? Drain the sump and re-fill it with the specified grade of oil and keep your fingers crossed.
He should check and see for sure then, because of changes to the spec etc as already mentioned. If it is he should still drain the sump and rid it of the two additives he added to his oil which might have taken it out of grade.
Depending on the temperature, 5W-20 may be specified for that engine, same as my E34 M60.
Originally Posted By: demarpaint
For starters why did you put 5W20 in that engine? Because one person on the internet liked it? Drain the sump and re-fill it with the specified grade of oil and keep your fingers crossed.
He should check and see for sure then, because of changes to the spec etc as already mentioned. If it is he should still drain the sump and rid it of the two additives he added to his oil which might have taken it out of grade.