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General E46 Forum
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Old 04-13-2016, 06:36 AM   #1
mehigh
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Tires rubbing E46 Coupe (facelift)

Hello, first time here
I have an E46 Coupe with sport suspension. Last week I've changed my wheels. I've moved from 225/40/R18 front, 235/40/R18 back. The R18 wheels are 8J ET40 all 4, and I've got the R17 E90 wheels Style 159 (8J ET34). The new wheels have 225/50/R17 tires on them and if I have 4 people in my car on some bumps the rear tires are touching the fenders.
I wonder if I move to 225/45/R17 as advised in my car manual, it will solve the rubbing problem.

I've used an tire size calculator to see the differences (this is what I want to get on car):



And this is what I have right now on my car (225/50/R17):

Last edited by mehigh; 04-13-2016 at 06:42 AM.
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Old 04-13-2016, 07:49 AM   #2
Nick'sE46
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I get rub also, but only when it's a huge bump or something like that. I'm running 225/40/18 and 235/40/18
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Old 04-13-2016, 08:32 AM   #3
mehigh
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Originally Posted by Nick'sE46 View Post
I get rub also, but only when it's a huge bump or something like that. I'm running 225/40/18 and 235/40/18
I had no rub with the R18 wheels.
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Old 04-13-2016, 11:29 AM   #4
asianisafish
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Rear should be a xxx/35/18 for 18s. Get a smaller profile
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Old 04-13-2016, 11:49 AM   #5
thebmw1
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roll fenders? with oem sport suspension and staggered 19's on my e46, no rubbing except when i packed it to the brim with suitcases and stuff for moving, then when i went over bumps or dips i heard some rub but otherwise never heard any rub. i have very low profile tires though. i think it's 225/35/19 if i remember correctly.

Last edited by thebmw1; 04-13-2016 at 11:52 AM.
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Old 04-13-2016, 11:50 AM   #6
MichaelStar
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Cut the fenders, install flares, run 255s
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Old 04-13-2016, 12:14 PM   #7
thebmw1
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Cut the fenders, install flares, run 255s
lol haha don't really do this, he's joking
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Old 04-13-2016, 12:18 PM   #8
tcphoto
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I think that 225/40/18 would solve your problems. It will give you enough width to fill the space and tall enough to provide a decent feeling ride. BTW, nothing beats getting under the car and measuring the clearance between the sidewall and the suspension.
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Old 04-13-2016, 01:03 PM   #9
mehigh
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I want to keep the R17 wheels, I just want to be sure that 225/45 or 215/45 will be ok on them. I want to solve rubbing problem.
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Old 04-13-2016, 01:16 PM   #10
asianisafish
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Just camber a little.

When do you rub? Big dips? Full load? The whole time? Turning?

Do you see any rubber melting off into the fender?

17x8 et34 is your tire spec right?
I would go 235/45/17 square. No reason you should be rubbing with that.

If you're worried 225/45/17.
Or just camber.

I have style 71 with 20mm spacers at 255/35/18 no rubbing and lowered so
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Old 04-13-2016, 01:40 PM   #11
mehigh
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Originally Posted by asianisafish View Post
Just camber a little.

When do you rub? Big dips? Full load? The whole time? Turning?

Do you see any rubber melting off into the fender?

17x8 et34 is your tire spec right?
I would go 235/45/17 square. No reason you should be rubbing with that.

If you're worried 225/45/17.
Or just camber.

I have style 71 with 20mm spacers at 255/35/18 no rubbing and lowered so
Rubbing only on full load or big dips when empty. No rubber melting, just little noisy when it touches. I'm thinking to go 215/45/17 all wheels.
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Old 04-13-2016, 01:55 PM   #12
asianisafish
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Oh. Then it's just barely rubbing. You can try rolling the fenders slightly with a phone book, or get like an extra .5 degrees of camber
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Old 05-11-2016, 02:09 PM   #13
Nick'sE46
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Quote:
Originally Posted by asianisafish View Post
Rear should be a xxx/35/18 for 18s. Get a smaller profile
Sorry to bring up an old thread, but was to me or to OP? I'm still having rubbing issues and I read that 15mm spring pads might put a little bit of extra space between the wheel well and the tire to prevent rubbing. It would also stiffen the car a bit but I'm fine with that. Let me know what you think.
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