Quote:
Originally Posted by TopJimmy
No track at all. Just hard daily driver right now with two or four 60-130 highway races each weekend of good weather. A sprint can rev me to 7200 because I need to hold 4th gear.
What would you use for this hard street use to change at 5K mile intervals?
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That is not hard on engine. Few days ago I retrofitted oil cooler from E90 335 to my N52 for track use. Since it was cold, I had to run high rpms for a long time in order to check whether it is working properly. I hold rpms at 6,500 for 20min in second gear on local hwy.
I would stick in that case to regular oils due to detergent and anti-oxidation properties. You can run Castrol Edge 0W40 if out of warranty. If still under warranty, Motul X-Cess 5W40 Gen2 is good. Pennzoil Platinum Euro 5W40 is very good oil (usually on sale in local Advance Auto Parts for $33 for 5qt). Another oil that people neglect, but it is very good is Valvoline 5W40 European Vehicle. IMO all better than anything Liqiu Moly.
If you get tempted with Mobil1 0W40, do not get it. It is exceptional oil, but I would not use it in DI engine due to very high sulfated ash level, which is culprit behind CBU.
When you do occasionally some drag races or track, you want to look for oil that has Porsche A40 approval bcs. it simulates 5hrs of Nurburgring run: