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255 square setup: will this mild tire rubbing cause a long term problem?
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10-01-2023, 06:54 PM | #1 |
Second Lieutenant
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Rep 278
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255 square setup: will this mild tire rubbing cause a long term problem?
After owning my e92 328i for 10 years I recently got some new wheels, tires, and springs, and I've noticed a little bit of superficial rubbing on the front tire shoulders. It's so superficial that I can rub it off with my thumb, and it completely disappears when I wash the wheels.
Here's my current suspension setup. 1) switched from M-sport springs to Eibach pro kit (already had b8 dampers) 2) installed a square set of Apex EC-7 18x9" ET31 wheels 3) mounted 255/35ZR-18 Continental ExtremeContact DWS06+ tires 4) -1.5 camber up front with m3 control arms Question for the group: 1) Is this level of rubbing going to wear through the tires or whatever they're hitting? 2) What might they be hitting? I can't find anything in the wheel well that appear worn yet, and I never hear any rubbing even with hard driving. 3) Does -1.5 seem like enough camber for this setup or do most people run more?
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2017 F87 M2: MGM, 6MT, AA Tune, Eibach Pro-Kit, Fabspeed Catted Downpipe, Evolution Racewerks FMIC+Chargepipe, Autosolutions SSK, CDV Delete, Vorshlag Plates, PFC-08 pads, Apex EC-7 18x9.5"
2013 E92 328i M-Sport: BSM, 6MT, 3IM+AA Tune, BMW PE, M3 control arms, Bilstein B12 Pro-Kit, BMW SSK, CDV Delete, Apex EC-7 18x9" |
10-01-2023, 07:36 PM | #2 |
Second Lieutenant
182
Rep 278
Posts |
Actually I just figured out the root cause! I did a test in my driveway by putting on some tire shine. The sidewall started getting scuffed by the driveway concrete once I hit full steering lock. So the tire sidewall is just rolling over too much. I was at 32psi (BMW recommended) but I’m going to go up to 35psi to see if that will stiffen the sidewall up enough on these all seasons. Regardless, I don’t think this will cause problems long term since I’m rarely full lock.
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2017 F87 M2: MGM, 6MT, AA Tune, Eibach Pro-Kit, Fabspeed Catted Downpipe, Evolution Racewerks FMIC+Chargepipe, Autosolutions SSK, CDV Delete, Vorshlag Plates, PFC-08 pads, Apex EC-7 18x9.5"
2013 E92 328i M-Sport: BSM, 6MT, 3IM+AA Tune, BMW PE, M3 control arms, Bilstein B12 Pro-Kit, BMW SSK, CDV Delete, Apex EC-7 18x9" |
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