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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Got a spacer question



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      01-22-2013, 01:23 PM   #1
phat8186
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Got a spacer question

I'm rollin on sport suspension for now on my 07 E92 335i. The wheels that are currently on the car are :
OEM 189's 18x8 ET34 front and 18x8.5 ET37 rears. Tires are 225/40/18 front and 255/35/18 rears
I would love to see them be more flush with the fenders, what would anyone recommend for spacers in the front and back. That when I also look into KW coilovers it will look great with as well.
Any insight would be great...
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      01-22-2013, 02:04 PM   #2
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anyone.....
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      01-22-2013, 02:11 PM   #3
phillip@bmpdesign
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Best way to see what kind of stance you will have is to measure and go from there. 20mm will work, but are going to be very close to the fenders and may rub. 15 are a pretty safe bet on pre-LCI and with that set up. Modifying the suspension and then correcting the camber for your coilovers may restrict that more to a 12mm.

A rule of thumb is measure from shoulder of the tire to the inner fender, take that measurement then back it off about a quarter inch to account for suspension travel.
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      01-22-2013, 02:29 PM   #4
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Quote:
Originally Posted by phillip@bmpdesign View Post
Best way to see what kind of stance you will have is to measure and go from there. 20mm will work, but are going to be very close to the fenders and may rub. 15 are a pretty safe bet on pre-LCI and with that set up. Modifying the suspension and then correcting the camber for your coilovers may restrict that more to a 12mm.

A rule of thumb is measure from shoulder of the tire to the inner fender, take that measurement then back it off about a quarter inch to account for suspension travel.
Exactly the input I was looking for.
Thank you kind sir
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      01-22-2013, 03:03 PM   #5
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Mr Wilmeth is spot-on. I've got a pre-LCI E92 with the same wheel/tyre size as you. I've experimented with 10mm, 15mm and 20mm spacers and decided that 15mm front and rear is the best combo. Also retains the OEM balance of front/rear track width in that they are both 30mm wider. Oh and I'm on Ohlins coilovers...and still no rubbing issues.
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      01-22-2013, 10:28 PM   #6
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Quote:
Originally Posted by Phil325i View Post
Mr Wilmeth is spot-on. I've got a pre-LCI E92 with the same wheel/tyre size as you. I've experimented with 10mm, 15mm and 20mm spacers and decided that 15mm front and rear is the best combo. Also retains the OEM balance of front/rear track width in that they are both 30mm wider. Oh and I'm on Ohlins coilovers...and still no rubbing issues.
So its safe to say that I can go ahead, and get 15mm spacers on my stock sport suspension...
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      01-23-2013, 03:12 AM   #7
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So its safe to say that I can go ahead, and get 15mm spacers on my stock sport suspension...
Yup
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