02-15-2023, 05:26 PM | #1 |
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Tire fitment question
Hey folks,
I bought a set of rims/tires, and completely forgot about that X drive can have issues if I have different size tires front/back 255/35/19 Front 295/30/19 Rear Will I have issues with this setup? Or should I change out either the front or rears to have the same sidewall profile? Thanks! |
02-15-2023, 08:50 PM | #2 | |
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2014 BMW 650xi Gran Coupe Msport Black Sapphire Metallic on full black merino leather. 20" M5 343M wheels for summer, 20" 373 wheels for winter with Nokian Hakkapeliitta 8 studded snow tires. M6 CP exhaust with M6 Diffuser and ///M Performance carbon fiber finisher. Mission Performance stage 1.5 and transmission tune.
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02-15-2023, 09:04 PM | #3 | |
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What is the recommended limit with x drive? 19x9 Front 19x10 Rear +23mm Front, +35mm Rear |
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02-15-2023, 09:14 PM | #5 |
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02-15-2023, 09:45 PM | #6 |
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Less than 3% height difference.
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2014 BMW 650xi Gran Coupe Msport Black Sapphire Metallic on full black merino leather. 20" M5 343M wheels for summer, 20" 373 wheels for winter with Nokian Hakkapeliitta 8 studded snow tires. M6 CP exhaust with M6 Diffuser and ///M Performance carbon fiber finisher. Mission Performance stage 1.5 and transmission tune.
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02-15-2023, 09:48 PM | #7 |
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Looks good! Any rubbing with the 295’s? I’m torn between 285 and 295 rears. Difference is the same to the 255 front, at least it is with 18’s.
Are you lowered or at stock height? Looking at tire specs, in 19” your set is the same height front to rear. 285 is .2” smaller.
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2014 BMW 650xi Gran Coupe Msport Black Sapphire Metallic on full black merino leather. 20" M5 343M wheels for summer, 20" 373 wheels for winter with Nokian Hakkapeliitta 8 studded snow tires. M6 CP exhaust with M6 Diffuser and ///M Performance carbon fiber finisher. Mission Performance stage 1.5 and transmission tune.
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02-15-2023, 10:31 PM | #8 | |
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I'm at stock height, I was going to lower with Dinan, but my car is winter driven in Canada.. so I'll keep the suspension at stock height |
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02-16-2023, 08:57 AM | #9 |
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02-16-2023, 09:17 AM | #10 |
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Yeah could be. I’ve seen both numbers floated around. Regardless, the OP’s set up is the same front to back, so no issues.
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02-16-2023, 10:46 AM | #11 | |
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Nominal figures for 255/35-19 vs 295/30-19 gives a circumference difference of 0.2%. Hard to find another combination that comes close. Going with 18" and 285: 255/40-18 vs 285/35-18 gives 0.7% The difference can in reality be both larger and smaller depending on exact tire models. |
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02-16-2023, 11:00 AM | #12 | |
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Tire rack list the Michelin, the first tire listed and the first one I clicked on, in 255/35/19 and 295/30/19 as having the same diameter of 26”. Of course every tire is very slightly different between manufacturers, but not in any meaningful way. I also said that the difference between front and rear is the same in 18” sizes for 285 and 295. 255/40/18 is 26”, 285/35/18 is 25.9” and 295/35/18 is 26.1”, so either way there is a .1” difference front to rear. Not sure what you are arguing about.
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2014 BMW 650xi Gran Coupe Msport Black Sapphire Metallic on full black merino leather. 20" M5 343M wheels for summer, 20" 373 wheels for winter with Nokian Hakkapeliitta 8 studded snow tires. M6 CP exhaust with M6 Diffuser and ///M Performance carbon fiber finisher. Mission Performance stage 1.5 and transmission tune.
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02-25-2023, 03:32 PM | #13 | |
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02-25-2023, 03:33 PM | #14 |
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