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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Will smaller wheels improve ride quality?



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      10-25-2022, 12:36 PM   #1
Chrisguilday
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Will smaller wheels improve ride quality?

Hey guys, not sure if this belongs here or in the wheels / brakes thread.

However Ive got a 2011 E93 335i with OEM 19 wheels, the current tire size I have on them is 255-/30R 19 (Their Lionhart lol, came with the car). I just replaced all the struts with Bilstein B8 struts, as well as all the front end control arms / tie rods, etc.

I understand the B8s are a little stiff, the car mostly rides great but Id prefer a little comforier ride. Going over small bumps in the road can still be pretty violent, and Im wondering if changing my wheel size will help.

I do like the look of the 19s, but assuming I can still eliminate the wheel well gap with using taller tires Id prefer that. Would using smaller wheels help? What would be the best size? 17? What about 18? Would that make enough difference?

Thanks!
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      10-25-2022, 02:30 PM   #2
P14kle
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I run 19's most of the year, but put my winter wheels on (16" with 55 profile tyres) and the ride is so much nicer over uneven road surfaces..

I can honestly say I now look forward to putting the winters on the older I get! Lol.

Just to mention, I have the smaller front brakes so I can get away with 16" wheels. Think any of the 6cyl cars need 17" at least for clearance.
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      10-25-2022, 06:43 PM   #3
Brian86
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Yes.

Considerably.

It'll handle better too.
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      10-26-2022, 02:19 PM   #4
Hoody007
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Quote:
Originally Posted by Chrisguilday View Post
Hey guys, not sure if this belongs here or in the wheels / brakes thread.

However Ive got a 2011 E93 335i with OEM 19 wheels, the current tire size I have on them is 255-/30R 19 (Their Lionhart lol, came with the car). I just replaced all the struts with Bilstein B8 struts, as well as all the front end control arms / tie rods, etc.

I understand the B8s are a little stiff, the car mostly rides great but Id prefer a little comforier ride. Going over small bumps in the road can still be pretty violent, and Im wondering if changing my wheel size will help.

I do like the look of the 19s, but assuming I can still eliminate the wheel well gap with using taller tires Id prefer that. Would using smaller wheels help? What would be the best size? 17? What about 18? Would that make enough difference?

Thanks!
FYI: I had the Bilstein B6 on my car, with OEM 18 - ride was quite stiff, even brutal at times.

Smaller wheels will definitely help (as will better tires, Im a Michelin person myself), but the shocks are doing you no favors either.

Smallest you can go on a 335i are 17 (anything smaller wont clear the calipers).
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      10-27-2022, 12:11 AM   #5
edycol
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Go 225/45 R17.
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      10-27-2022, 12:29 PM   #6
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The ride will improve greatly as you go up in aspect ratio, I went from 235/35/18 and 255/30/18 to 235/40/18 and 265/35/18 with PS4S'. Of course, the PO had run flats which are notoriously hard tires and the move to taller standard tires helped with ride and performance.
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      11-06-2022, 11:14 PM   #7
whyzee125
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Yes it will greatly improve ride quality.
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      11-10-2022, 10:34 AM   #8
aphael
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17s by far have the most comfort comparatively. Also wide wheels will contribute to tramlining and bumpsteer which is something you want to avoid.
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