Oil filter LIQUI MOLY or Mann
Mine was from May 2001, changed it out last year and it for sure made a difference.
wenn möglich Ölwechsel bei Mac Oil durchführen lassen, kostet je nach benötigtem Shell MotorÖl zwischen 50 und 80€ inkl. mann Ölfilter und zurücksetzen des Service, plus eintrag ins Scheckheft. dauert ca. 15 min reine Arbeitszeit und kann im Auto sitzen bleiben. unschlagbares Konzept.
As far as filters: Mann. If it's isn't Mann I won't put it in my car.
A vehicle engineer friend of mine recommended Motul X-Cess 8100 5w40 for my C43 (W205, M276) and a Mann HU 7025 Z filter.
I use liqui molly and Mann filter every 6k miles on mine.
Mann 816x is the only thing I would use.
You wouldn't believe the damage I have seen from Chinese oil filters. A few months back, my buddy brought in his 528i with Vanos codes. The Chinese oil filter had torn and allowed unfiltered oil to plug up the vanos screens, vanos solenoids, and caused bearing damage. The oil was filled with engine glitter. I only use Mann or BMW.
I’ve always used 5w40 liquimoly with either a k&n or Mann filter.
I'm going to use [this kit](https://www.fcpeuro.com/products/mini-oil-change-kit-5w-40-liqui-moly-molygen-11427512446kt-lm) in our R52(base model) we just got. I use the same oil in our R57s, and the Purflux filter(OEM?). When you change your oil you send back the used oil, filter, gasket and drain plug/washer and get a full refund credit to purchase parts or your next oil change kit, after the first one. That kit uses a Mann filter. They are a good brand, used them for years in my VWs
Mann makes the best fitting one that I can tell. I ordered a Mahle filter once and the inner diameter seemed larger than it should be leading me to think it’ll let oil past without filtering. The Mann was nice and snug the way it should’ve been.
I've only ever used Mann filters and I still consistently get the oil pressure light. I suspect the last time I got an oil change the shop used 5w30 instead of 5w40 because it's been worse than ever for the last 6 months.
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