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I just wonder, is it ok that I put Shell V-power (100 octane) in my 4.8 since I bought it? I think it's ok, because I asked in BMW service here in Geneva, they told that it is all right. Also he told me that its not good to go down with gasoline which has lower octane.
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Originally Posted by DINANM3
Ive 100 octane in my M5 and M3 and it ran great. I was gonna put some in my X5 just for the hell of it this summer
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DinanM3, you seem to be confusing RON with pump octane. The poster who asked the question is in Geneva. 100 RON in Geneva is very close in anti-knock properties to 93 pump octane in North America. Your 100 octane fuel in a road vehicle doesn't make a lot of sense, as the engine was not designed for it.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
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2002 325xi 5 MT, Steel Grey
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