2014 F34 GT Sport Tyre Size

mucyx2007 · 08-16-2018, 07:06 AM

Recently purchased a GT 320i Sport, just noticed the front and back tyres are in different size

Front 225/45 R19
Rear 255/40 R19

Wondering if this is meant to be correct? Also steering wheel is kinda heavy compare to my X3 and 3 series loan car, a time for a alignment maybe?

Many thanks

HFW003 · 08-17-2018, 03:28 PM

Yes that is normal, called staggered.

B328iboy · 08-18-2018, 02:36 AM

it's a staggered wheel. I have changed my 18" to 19" wheels and the steering wheel felt heavier due to the size of wheels and tyres. So, that's normal to me.

mucyx2007 · 08-27-2018, 01:09 AM

thanks for the reply, i intend to change the tyres to all same size for cost wise / rotation wise, any advises? don't want to screw anything.

NPM · 08-27-2018, 07:23 PM

From my understanding you wouldn't be able to have the same tyre size on all four corners. The overall rolling diameter of the tyre/wheel must remain within 15mm of original specification. Your speedometer will be inaccurate if you do not maintain rolling diameters. At the end of the day its your car, but i would advise not to put the same tyre size on all four.

08-16-2018, 07:06 AM	#1
mucyx2007 New Member 1 Rep 22 Posts Drives: 320i GT Join Date: Aug 2018 Location: Australia iTrader: (0)	2014 F34 GT Sport Tyre Size Recently purchased a GT 320i Sport, just noticed the front and back tyres are in different size Front 225/45 R19 Rear 255/40 R19 Wondering if this is meant to be correct? Also steering wheel is kinda heavy compare to my X3 and 3 series loan car, a time for a alignment maybe? Many thanks Last edited by mucyx2007; 08-16-2018 at 07:13 AM..
	Appreciate 0 Tweet Quote

08-17-2018, 03:28 PM	#2
HFW003 Brigadier General 5685 Rep 3,225 Posts Drives: 2024 M340i xdrive Join Date: Apr 2013 Location: Newcastle, Australia iTrader: (0)	Yes that is normal, called staggered.
	Appreciate 0 Quote

08-18-2018, 02:36 AM	#3
B328iboy Enlisted Member 5 Rep 43 Posts Drives: BMW 328i F30 Join Date: Jul 2017 Location: Melbourne iTrader: (0)	it's a staggered wheel. I have changed my 18" to 19" wheels and the steering wheel felt heavier due to the size of wheels and tyres. So, that's normal to me.
	Appreciate 0 Quote

08-27-2018, 01:09 AM	#4
mucyx2007 New Member 1 Rep 22 Posts Drives: 320i GT Join Date: Aug 2018 Location: Australia iTrader: (0)	thanks for the reply, i intend to change the tyres to all same size for cost wise / rotation wise, any advises? don't want to screw anything.
	Appreciate 0 Quote

08-27-2018, 07:23 PM	#5
NPM N54/N55 0 Rep 30 Posts Drives: 2014 F32 435i Join Date: Sep 2011 Location: Melbourne, Australia iTrader: (0)	From my understanding you wouldn't be able to have the same tyre size on all four corners. The overall rolling diameter of the tyre/wheel must remain within 15mm of original specification. Your speedometer will be inaccurate if you do not maintain rolling diameters. At the end of the day its your car, but i would advise not to put the same tyre size on all four.
	Appreciate 0 Quote