my 2011 335d w/sports pkg shipped with Michelin Pilot Sport PS2 ZP rft summer tires, an amazing tire (my favorite rft for summer) but harsh on the ride quality in terms of impact when hitting bumps and such. it was time for new tires and i wanted an all-season tire that i could use in cold conditions (35F-60F), rain, and possibly light snow. i also needed an rft tire as my car does not have room for a spare. i got very frustrated in my search and was close to just buying non-rft tires, Continental ExtremeContact DWS to be exact, because i couldn't find any high performance all-season rfts that had a softer ride and positive reviews. the only tire i could find were the Bridgestone Potenza RE050A RFT, which i read had harsh ride quality and they were not all-season.
i hesitantly ordered these Bridgestone Potenza RE960AS Pole Position RFT tires hoping that i would not have wasted $1200. they were very new and i couldn't find any specific reviews concerning these tires on an E90 335d. boy was i pleasantly surprised when i drove away with these tires. they honestly feel/act like non-rft tires!! the ride is just perfect, not too soft, not too harsh. with the Michelin Pilot Sport PS2 ZP, every time i hit a bump, i clenched my teeth and my body would tense up because of the impact on my car...i felt like every bump was damaging my rims or suspension...i hated it.
i have driven in rain and cold ( 34F-104F wet and dry) at both city and highway speeds, and these tires have done great. i don't feel like i have compromised the awesome performance characteristics of my car, yet i get a little bit softer rft ride quality. honestly, these tires don't ride like other rfts. again, they ride like non-rft tires. i gotta hand it to Bridgestone….fantastic engineering with these tires. the only thing i have not done is drive in snow with the new tires, and i'm not sure i feel safe doing so with 425 lb of torque at the rear wheels. i highly recommend.