THE LARGEST BMW 2-SERIES FORUM ON THE PLANET
| 02-22-2024, 09:02 AM | #1 |
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228i x tire fit
I have a 2015 228i x drive and wanted to put a set of 225 45 18 tires on it with out doing any upgrades . Would the front tires rub ? Does anyone run this size/set up ? Any issues ?
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| 02-22-2024, 09:22 AM | #3 |
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Colonel
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We have that size tire on the '15 228i with no issues. The wheel offset will make a difference. We're using BMW F30 style 397 wheels 8JX18 ET:34.
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2015 BMW 228i in EstorilBlau II Metallic / Terra Dakota Leather - 6-speed manual, M Sport Package, Cold Weather Package, Lighting Package, Premium Package, Harman Kardon premium sound, Anti-theft alarm system, Blue Metallic Matt Accent Moldings, Aluminum Hexagon Interior Strips, Anthracite Headlining |
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| 02-25-2024, 04:01 PM | #4 |
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Major General
 
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The tire should fit fine but the sidewall is going to be taller than the factory 225/40-18. Your speedometer will read slower than your actual speed. The oem 225/40 has a 25.1” diameter vs. the 225/45’s 25.9” diameter so your speedometer will be off by 3.2% so when your speedometer is reading 60 mph, your actual speed is 62.1 mph. This diameter error will be combined with your existing speedometer error so maybe it’s 5% or so combined. However, you should be fine with a 5% or so speedometer error. Just remember to account for the 5% error when on the highway.
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