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Bare in mind the 405´s weigh significantly less than the 403´s, I think its something like 10-11 kg vs. 13-14 kg. Now THAT will make a big change not only to performance but comfort aswell. My 20" wheels that weigh ~11.5 kg made a huge difference vs the 403M´s I had, but I´m sure the Michelin PSS add to the comfort factor.
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Dec. 2022: Fully loaded Carbon Black G08 iX3 LCI M Sport Pro
Former: Glacier Ag. F31 328iA RWD M Sport oct. 2012, sold July 2022
| Sport Automatic | Adap. M Susp. | Pano. Moonroof | 20" ATS Racelight Grey w. Michelin PSS| M Sport brakes | Harman Kardon | Elec. Seats | PDC F&R | ACC Stop&Go | 335i MPE | Perf. Parts |
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