-328xi WHEEL SPACERS-??? - Page 2 - BMW 3-Series (E90 E92) Forum

SpeedBuggy · 01-15-2013, 10:37 PM

try this link.................
http://www.e90post.com/forums/showthread.php?t=755443

WOT Bimmer · 01-16-2013, 05:56 PM

Sorry for the slow response... Busy busy busy.

Below are the requested pics of the 20mm spacers on the rear wheels of my 328xi. I still have the stock 156 wheels. (No comments about the dirty car. I'm fixing that tomorrow.

)

BmerMeUp · 01-16-2013, 07:07 PM

To comment back on the op topic: Staggering an xi affects the track and turning radius numbers of the individual axles, not the diameter of the tires themselves. Track width may affect over/under steer (also due to tire contact patch), but not likely noticeable for the average driver.

All tires on an xi must share a diameter within less than 1% of each other or as was described earlier and experienced by other forum members first hand, your awd system will start freaking out every time you touch the gas. The effect is often described as, "a loud clunking noise" as the awd tries to compensates for what it perceives as weird slippage. So it doesn't matter if you have 16" or 20" wheels - as long as the wheel+tire height of ALL FOUR is within 1% of each other, you should be fine (if the wheels even fit your wheel well of course..ha). Changing the WIDTH of a rim however will also change the HEIGHT (diameter) of a tire, so be sure to consider all the bits. Every 0.5" of rim width changes same-size tire height by 0.2"...which, coincidentally, is about 1% of a wheel+tire diameter up to 19".

Use the wheel/tire calculator and talk to a pro installer, but you can stagger an xi as long as the overall diameter of ALL wheels+tires is the same (up to about 1%), regardless of their width.

Disclaimer: I'm no pro, this is all gleaned over time from much reading in here and elsewhere...

mashimarho · 01-16-2013, 07:39 PM

Staggering your wheels will not mess anything up. Worst case is, rear will wear out much faster than the front. The rotation needs to be in sync.

curtisk70 · 01-17-2013, 12:04 PM

Quote:

Originally Posted by bimmer328

Sorry for the slow response... Busy busy busy.

Below are the requested pics of the 20mm spacers on the rear wheels of my 328xi. I still have the stock 156 wheels. (No comments about the dirty car. I'm fixing that tomorrow.

)

Cool- thanks.

01-15-2013, 10:37 PM	#23
SpeedBuggy Comfortably Numb Drives: 06 e90 330i & 06 e90 325i Join Date: Mar 2009 Location: Cortland, Ohio Posts: 350 iTrader: (0)	try this link................. http://www.e90post.com/forums/showthread.php?t=755443 __________________ 06 e90 330i /Alpine White/Terra Dakota Leather/Steptronic/Cold Weather Package/Premium Package/Sport Package/CA/PDC/Xenon/Logic 7/Style 162's 06 e90 325i /Jet Black/Black Leatherette/Steptronic/Cold Weather Package/Style 197's

01-16-2013, 07:39 PM	#26
mashimarho Boss Drives: e92 LCI 335i xDrive™ Join Date: Mar 2010 Location: Grand Rapids, michigan Posts: 5,715 iTrader: (27) Garage List 2012 BMW 335i xDrive [5.00]	Staggering your wheels will not mess anything up. Worst case is, rear will wear out much faster than the front. The rotation needs to be in sync. __________________ -Sean. 360 FORGED///DynamikiLLu51ions///ER///BMS///KW///VRSF///ARKYM///DD///CYBA///STOPTECH///BMW Performance /// My Progress: http://www.e90post.com/forums/showthread.php?t=770326

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01-16-2013, 05:56 PM	#24
WOT Bimmer First Lieutenant Drives: BMW Join Date: Jan 2013 Location: Ohio Posts: 321 iTrader: (0)	Sorry for the slow response... Busy busy busy. Below are the requested pics of the 20mm spacers on the rear wheels of my 328xi. I still have the stock 156 wheels. (No comments about the dirty car. I'm fixing that tomorrow. )

01-16-2013, 07:07 PM	#25
BmerMeUp Second Lieutenant Drives: Cinderella: 2008 E91 328xi Join Date: Nov 2012 Location: Ontario Posts: 279 iTrader: (0)	To comment back on the op topic: Staggering an xi affects the track and turning radius numbers of the individual axles, not the diameter of the tires themselves. Track width may affect over/under steer (also due to tire contact patch), but not likely noticeable for the average driver. All tires on an xi must share a diameter within less than 1% of each other or as was described earlier and experienced by other forum members first hand, your awd system will start freaking out every time you touch the gas. The effect is often described as, "a loud clunking noise" as the awd tries to compensates for what it perceives as weird slippage. So it doesn't matter if you have 16" or 20" wheels - as long as the wheel+tire height of ALL FOUR is within 1% of each other, you should be fine (if the wheels even fit your wheel well of course..ha). Changing the WIDTH of a rim however will also change the HEIGHT (diameter) of a tire, so be sure to consider all the bits. Every 0.5" of rim width changes same-size tire height by 0.2"...which, coincidentally, is about 1% of a wheel+tire diameter up to 19". Use the wheel/tire calculator and talk to a pro installer, but you can stagger an xi as long as the overall diameter of ALL wheels+tires is the same (up to about 1%), regardless of their width. Disclaimer: I'm no pro, this is all gleaned over time from much reading in here and elsewhere...