Redline 5W-30 on my E85 tuned N54. Same on my F80 M3 but I'm switching both back to Pennzoil platinum 5W-40 Euro on the next OCI. Can't beat $5 a quart on the Pennzoil stuff with the rebate.
Redline seems to handle the temperatures better on the hot N54. I run 10 degrees f cooler on Redline compared to Motul 300V at the same viscosity.
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2017 F80 M3 ZCP / AA GESI DPs / Akrapovic Evo / BBS FI-R 19" / Bend Calibration ECUTEK Flex Fuel | Bilstein B16 DDC + CS EDC / BMC Filters / BMS OCC / CSF HE / ESS CP / Nitto NT555R2 / PD Crank Hub / SPL Suspension / Uniden R7 / Wagner Top Mount IC
2021 Mini GP3 / BMC Filters / BM3 / Cary Jordan E30 / Wagner IC / Remus Race
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