245's on 138 wheels

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08-25-2008, 05:59 AM

jazzbass

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Need to get new tires for a 2004 530 with 225/50/17's. Considering 245/45/17 tires. How would it affect the handling?

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08-25-2008, 06:43 AM

CWS530

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My Ride: 2007 530i. Purchased 6/28/07. Titanium Silver Metallic, Black Dakota Leather, Dark Poplar Trim, Steptronic, Premium Package, Cold Weather Package, Bluetooth, Adaptive Control Xenons. 10/30/07 Added OEM 124s with 245/40/18 & 275/35/18 Michelin Pilot Sport A/S tires. Installed red Cal Coversï¿½ from BavAuto. 11/21/07 Added OEM all-weather floor mats (for winter, carpet in summer) and coat rack. 6/26/08 installed M5-style rear spoiler. 6/30/08 put on red reflectors. 8/22/08 Euro turn signal stickers applied. 3/20/09 Installed Shadowline Trim. 3/27/09 Added Matte Black Kidney Grilles from Trinity. 4/03/09 Installed Bimmian Shadow Matte Black 530i Badges. 4/04/09 Installed LED license plate lights from Trinity. 5/01/09 Installed Brabus Interior LED Kit and White Angel Eyes. 5/02/09 Put in Brabus 6K Fogs. 5/14/09 Removed charcoal filter. 5/15/09 Installed light smoke LED side marker lamps from Trinity. 5/21/09 Sprint Booster. 6/12/09 Painted exhaust tips flat black. 6/13/09 Pulled red Cal Covers and painted calipers low gloss black. 6/27/09 RPI Ram Air Scoop from Trinity. 8/15/09 Installed Brabus's silver invisibulbs front and rear. 9/24/09 Installed R-Dash license plate LEDs from Brabaus (John).

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Originally Posted by jazzbass' post='653792' date='Aug 25 2008, 08:59 AM

Need to get new tires for a 2004 530 with 225/50/17's. Considering 245/45/17 tires. How would it affect the handling?

Should feel a little stiffer in cornering (less sidewall roll) and over bumps (less shock absorption). Maybe some extra tramlining if you're sensitive to that. 245 is probably about as wide as you can go on a 7.5" rim. Also, the car may feel a little sluggish at first due to the extra tread depth if you are coming off of low tread tires, which is always the case.

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08-25-2008, 09:11 PM

Bteljuice

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+1 on wht CW said, plus ur 138s are 7.5x17, if u were thinking of doing them like the 122s which are 8x17, then you're going to regret it. the 122s sport look are wider, so they can handle 245s, but not the 138s,which are narrower