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Message: <blockquote data-quote="Traveler" data-source="post: 374311" data-attributes="member: 7248">Don't know why you are having jerky responses. My E90 as well as my friend's MINI One are now running RON95 (Shell), and there is no difference in smoothness when compared with Shell 97 (for both cars) and V-Power (E90). For cruising, and most city driving, I can't say there is a significant difference in power or FC (so far after 200km of Shell 95, FC is same as Shell 97, but not as good as V-Power). But then I rarely rev the car >3K rpm in city driving anyway. When I do rev it >3K, I can feel slightly less pickup than V-Power, but not so big that I feel severely disadvantaged (vs V-Power). Perhaps as someone mentioned, the jerkiness is the downshifting for acceleration?I think it is coincidence... but then again, I do remember that years ago for my E36, whenever I filled up with Shell/Petronas/Esso/Caltex - no problems, but when I filled up with BP - jerking all the time. Problem ceased when I switched back to the first 4.</blockquote>