Engine oil Shell or MOTUL
I’m in MD and use Motul 5w30 X-clean EFE
Brings me back to my WRX days, we all used to run Rotella T6 because it burned less oil thru our gigantic subaru ring gaps.
I always used Rotella 5w30 gas truck oil designed for “All Mileage” in my 2005 Nissan Frontier with 95k but it’s been discontinued. I really liked this oil as it seemed to be thicker and remained viscous for longer compared to others. My favorite part about it? NO LEAKS!
I started using motul 10w40 after my apache rtr 180 crossed 50k kms. It gave the old engine required smoothness and the engine feels stress free.
Shell Rotella T6 5w-40 in my 09 e90 335d (m57)
Supposedly should be changed every 13k miles but I do 7500 to hopefully help extend the life of the timing chain.
I run X-Cess 5w-40, seems great. Takes a little longer to heat up than 5w-30 but I imagine you’d want the high thermal stability it offers in your location.
I’ve a 01 330ci with 284kms on it and I’ve been running Rotella 5w-40 T6 for a few years and it’s been really good. Keeps it good and clean for 10k change intervals. I probably end up adding 2-3L over that time, which was a vast improvement from when I got the car 30k ago.
I switched from Castrol Edge 0W-40 to Shell Helix Ultra 5W-40 on my E46 325Ci and feel it runs a touch better and doesn't burn as much oil. Before I was adding 1L per \~3000km, now maybe 1L per 5-6000km...
First impressions - engine is noticeably quieter and smoother at idle. Engine temps is lower by 1 line. slightly better throttle response. As for fuel consumption, i have to drive more my usual route to know if there is an improvement.
Rotella T5, since the T6 is a bit too expensive for a car that leaks. Also a purolator pure one filter. I am up in Northwest NJ. I change it when the HLAs get noisy. It was 4500 miles for the last one.
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