I've only turned it on once - on my car it defaults to off, so it never gets in the way. I had a loaner 328 that defaulted to on - pretty annoying, but if you sit at lights allot in a big engined SUV that you don't care about performance in much I don't see the harm in it.
I'm just glad BMW was smart enough to make it default to off in the m3.
Last edited by scm6079; 02-01-2013 at 01:32 AM..
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