06-20-2018, 11:21 AM | #1 |
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Anyone running on 235/55/18 tire size
Has anyone switched to 235/55/18 tire size? Change in diameter would be 2.2% I have read up to 3% difference is okay for the sensors. I want to increase the side wall abit and found tires running wider than average so the tread width would be even more than the stock pirelli's 245's. Thoughts?
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06-20-2018, 08:05 PM | #2 |
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06-21-2018, 11:02 AM | #3 |
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The tread of 235 Firestone Indy 500 is wider than the tread of 245 RFT Pirellis our vehicles come with according to Tire Rack at least, but that is irrelevant to me. I just care if I would have any problems running this size tire 235/55/18. Thanks!
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Current - 2011 x3 35i/BMS Stage 1
Previous - 2008 Montego Blue 135i/M-sport /BMS-DCI/Cobb stage1 aggressive /235s Potenza s04 Pole Position - 265s Potenza RE11 /ATE TYP 200/EBC Yellow Stuff/NGK 5992s/Slotted and drilled rotors |
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06-22-2018, 03:37 PM | #4 |
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I can't give you first hand experience but I feel pretty confident that small of a change would be meaningless. We've got a lot of room in our wheel wells and it's unlikely BMW would be willing to cut anything that close on anything other than a race-bred M3 or something.
I've been looking into another set of wheels off and on for the last few months and people are getting away with bigger tires (255's) and some big offset changes (=/- 10mm or more) and still not having problems. Not combined but either / or. Any chance you can test fit the tire or get a guarantee from the seller / installer? Also, even if the tire width in reality is a bit off from the stated size, the profile (i.e. 45, 50, 55) might still be right on compared to that stated size. Last edited by tracer bullet; 06-23-2018 at 03:37 PM.. |
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06-22-2018, 04:45 PM | #5 |
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Not 235's but I switched to a slightly taller tire than stock recently. Went to 245/55/18's and they are fine, no issues. I wanted to correct my speedometer as it used to read slightly faster than actual speed, also wanted to fill in the wheel well a bit better. These did the trick.
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06-23-2018, 12:20 PM | #6 | |
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Current - 2011 x3 35i/BMS Stage 1
Previous - 2008 Montego Blue 135i/M-sport /BMS-DCI/Cobb stage1 aggressive /235s Potenza s04 Pole Position - 265s Potenza RE11 /ATE TYP 200/EBC Yellow Stuff/NGK 5992s/Slotted and drilled rotors |
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06-23-2018, 12:22 PM | #7 | |
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Current - 2011 x3 35i/BMS Stage 1
Previous - 2008 Montego Blue 135i/M-sport /BMS-DCI/Cobb stage1 aggressive /235s Potenza s04 Pole Position - 265s Potenza RE11 /ATE TYP 200/EBC Yellow Stuff/NGK 5992s/Slotted and drilled rotors |
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06-24-2018, 03:13 AM | #8 | |
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06-25-2018, 11:33 AM | #9 | |
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06-26-2018, 07:40 PM | #10 |
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Couple of pics attached. They're actually winter tires, I replaced the old RFT's with them and had planned to get a set of aftermarket 20" rims and tires but just never did and left these on year-round. They're Goodyear Eagle Ultra Grip GS-2's.
I've had them on for about 15,000 miles now and they don't show much wear. They run nice and smooth at speed, they're a bit rougher at lower speeds during turns when those teeth on the sides hit the pavement. |
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09-11-2024, 02:56 AM | #11 |
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Morning.
Does anyone have any experience of running their f25 with 235 60 18 tyres? I appreciate this would impact the speedo but will they rub on oem et43 wheels? Tia |
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09-12-2024, 04:05 PM | #12 | |
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Could I ask, did you have a good amount of clearance from the tyres to the spring mount / shock / damper? It looks quite close on the picture |
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09-13-2024, 06:01 PM | #13 |
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I switched to 235/55-18 tires about three years ago once those horrible run flats wore out. I knew that there would be little difference between the 235's and the recommended 245's and the higher profile would provide a very supple ride particularly when compared to the OE run flats. Technically, the taller tires do not responsive steering as the lower profile ones, but the X3 is an SUV and not intended for frequent track days.
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09-14-2024, 11:50 AM | #14 | |
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Drives: 17' BMW x3 F25 xDrive28i xLine
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BLACK 2017 BMW x3 xDrive28i [N20] xLine Package, Comfort Access, Build Date: 03/03/2017. *[THE POWER OF 33]*
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