Quote:
Originally Posted by dd1981
Aha I see. So it only affected the 135i?
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N55 135is went through a roller coaster of good and bad software versions. When I first bought mine (as far as I know I was one of the very first to have an N55 in the US), the throttle response was awful there was literally a delay between flooring the pedal and the wastegate even beginning to close and build boost. They fixed that fairly soon, but eventually there was another update that made the throttle response a little worse and seemed to make the engine significantly quieter, too. I doubt BMW was intentionally screwing us over and I seriously doubt we'll see anything like that with the F30 since the N55 is a carryover engine and has been in production for several years now.