Rear Tires 2011 550i

CarlosER16 · 03-27-2019, 06:54 PM

I really dislike the rubberband look of my current tires. Looking for a bit more cushion. Currently have 275/30/20 on my rear. Do you think I could jump to 275/40/20s? Asking for a friend...

Qsilver7 · 03-27-2019, 08:33 PM

A simple tire size calculator should give you the answer you need....they can easily be found by typing "tire size calculator" in a google search box.

You need to compare the rear and front axle overal rolling circumference and diameter...they should remain within 3% (+/-) of each other to prevent ABS/traction control/odometer/speedometer and AWD system (if so equipped) issues.

You may also want to check if there will be any suspension rubbing or too much "poke" ( a higher wheel aspect ratio from 30 to 35 shouldn't cause this issue...but I'd definitely check going from 30 to 40, though). Here's a good site for checking the aforementioned: www.willtheyfit.com

CarlosER16 · 03-28-2019, 12:55 AM

That was a great help, thanks a bunch!

Qsilver7 · 03-28-2019, 10:14 AM

lsturbointeg · 03-28-2019, 02:53 PM

other's have switched from 20's to 19's as well

agentorange · 03-28-2019, 04:47 PM

19" wheels and suitable boots for the win.

03-27-2019, 06:54 PM	#1
CarlosER16 Registered 2 Rep 3 Posts Drives: BMW 550i Join Date: Jun 2017 Location: Tucson, Az iTrader: (0)	Rear Tires 2011 550i I really dislike the rubberband look of my current tires. Looking for a bit more cushion. Currently have 275/30/20 on my rear. Do you think I could jump to 275/40/20s? Asking for a friend...
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03-27-2019, 08:33 PM	#2
Qsilver7 Major General 4415 Rep 7,452 Posts Drives: F06 650ix GC / F15 X5 50i Join Date: Oct 2016 Location: Indiana, USA iTrader: (0)	A simple tire size calculator should give you the answer you need....they can easily be found by typing "tire size calculator" in a google search box. You need to compare the rear and front axle overal rolling circumference and diameter...they should remain within 3% (+/-) of each other to prevent ABS/traction control/odometer/speedometer and AWD system (if so equipped) issues. You may also want to check if there will be any suspension rubbing or too much "poke" ( a higher wheel aspect ratio from 30 to 35 shouldn't cause this issue...but I'd definitely check going from 30 to 40, though). Here's a good site for checking the aforementioned: www.willtheyfit.com __________________ 2015 F06 650ix Gran Coupe`(Moonstone/Cohiba Brown)\| 2014 F15 X5 50i MSport (Space Gray/Mocha) Become a BMW CCA member! Click HERE to join and feel free to use my BMW CCA member #191509 as a referral. Last edited by Qsilver7; 03-28-2019 at 10:00 AM..
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03-28-2019, 12:55 AM	#3
CarlosER16 Registered 2 Rep 3 Posts Drives: BMW 550i Join Date: Jun 2017 Location: Tucson, Az iTrader: (0)	That was a great help, thanks a bunch!
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03-28-2019, 10:14 AM	#4
Qsilver7 Major General 4415 Rep 7,452 Posts Drives: F06 650ix GC / F15 X5 50i Join Date: Oct 2016 Location: Indiana, USA iTrader: (0)	__________________ 2015 F06 650ix Gran Coupe`(Moonstone/Cohiba Brown)\| 2014 F15 X5 50i MSport (Space Gray/Mocha) Become a BMW CCA member! Click HERE to join and feel free to use my BMW CCA member #191509 as a referral.
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03-28-2019, 02:53 PM	#5
lsturbointeg Lieutenant General 9153 Rep 14,522 Posts Drives: 2011 535i Jet Black Join Date: Aug 2014 Location: Asian lost in OH iTrader: (0)	other's have switched from 20's to 19's as well __________________ ~F90Conversion~21"3Piece Forged AvantGardeWheels~KWV1Coilovers~CQUENCE slotted/drilled rotors~GoodridgeStainlesslines~MeisterschaftQuadEx haust~Akrapovic 4"tips~VRSF DP~VRSF CP~TurboSmart BOV~K&N filter~CarbonFiberExteriorComponents~GladenAlphaCo mponents~MatchUp7BMW~Punch P300-12T~ Follow me on Instagram: lsturbointeg
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03-28-2019, 04:47 PM	#6
agentorange Major 1505 Rep 1,375 Posts Drives: 328d Join Date: Nov 2018 Location: Desert SW iTrader: (0)	19" wheels and suitable boots for the win.
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