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      03-21-2021, 11:42 AM   #1081
Dmanfiman
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Drives: BMW M4
Join Date: Nov 2020
Location: Fort Lauderdale

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Figured I'd chime in.

Recently swapped the OEM star spec PSS out for 265/35/19 front and 275/35/19 rear PS4s.

I think next time around I'll stick to the 255 in the front. The steering feel and turn in feels more lethargic with the 265 ps4.

Rear grip is greatly improved, rear end feels much more planted.

Initially ran the recommended 32psi, this is far too squishy and squirmy. 35-36 is better, but still too much roll over at speed in corners. I'm at 38 (cold - but FL so ~70-80 degrees). At temp they get to around 40-42 psi. I've found this is proper, the suspension dampening feels well matched to the tires.

Are they better than the PSS? Eh, negligibly. Really not a huge difference. Most of the things I've noticed I think are more related to the change in tire size than the tires themselves. They do fill out the wheel wells a lot more, much chunkier.

Overall, I think I'll give 255's up front a go next time, I think the 265 PS4 is just too much tire for the stock non-comp wheels. Pretty happy with the 275 in the rear though.
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Prior Vehicles: '18 Q50RS, '13 335i M-Sport, '04 330ci SMG, '04 GLI 1.8t
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