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Originally Posted by MPDano
Honestly, we bought our 2004 X5 last year used. I did an oil change 10,000 miles ago and I used 5w30 Royal Purple. I don't believe in the "have to use BMW stuff" at all. I was posting it for the weights (5w30 in my case). I am doing another oil change this weekend as well as brake pads all around.
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I don't think there is any reason why you have to use BMW oil, but I think using the current API SM spec is a reasonable objective, since BMW require it for warranty coverage on new vehicles. I think oils have gotten better in the last few years, and API SM recognizes that. The Royal Purple site doesn't list API specs, just that they meet them, without specifying which one. A discussion board I searched had a response from Royal Purple stating that they had decided not to upgrade their oils to the new API SM spec, but rather that they would stay with the older API SL spec. SL isn't a bad spec, especially for an older vehicle, but you have to wonder why they don't meet the current spec. Does the oil you are using have a current API spec?
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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