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Thread: 295/35ZR18 tires rubbing

  1. #1
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    295/35ZR18 tires rubbing

    So I just installed a set of 295/35ZR18 rear tires on 8 series specific 10.5" wheels and unfortunately tires rub when hitting a bigger bumps on the freeway.
    They are not rubbing alot so I am thinking maybe roll the fenders slightly or just bite the bullet and go for 285/35ZR18?
    Wanted widest tires possible to gain more traction, close to 600 hp really lights up the 275/35 at virtually any speed below 60mph, and I do have an LSD.

  2. #2
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    Quote Originally Posted by dragon850 View Post
    So I just installed a set of 295/35ZR18 rear tires on 8 series specific 10.5" wheels and unfortunately tires rub when hitting a bigger bumps on the freeway.
    They are not rubbing alot so I am thinking maybe roll the fenders slightly or just bite the bullet and go for 285/35ZR18?
    Wanted widest tires possible to gain more traction, close to 600 hp really lights up the 275/35 at virtually any speed below 60mph, and I do have an LSD.
    Rolled mine with a 1.5" wooden dowel, heated the paint in the area around it 1st. Little at a time.

  3. #3
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    I have used a baseball bat to roll fenders but maybe this cheap fender rolling tool would work: https://m.ebay.com/itm/Roll-Fender-R...kAAOSwjqVZCvOK

  4. #4
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    Even if you bump down one width, consider an alternative tire compound. On my twin turbo M70, I run 315/30/17 drag radials. DOT marked for inspections / street use. I can certainly still spin them if I desire, that car being half the weight of an E31 -- but doing so is more a display of poor driver control than inadequate traction! Of course, that car also never leaves the garage on other than on nice sunny days. I wouldn't want to drive those tires cold or wet, so it's not good advice for a daily driver, etc.

    Cheers, John

  5. #5
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    Quote Originally Posted by dragon850 View Post
    So I just installed a set of 295/35ZR18 rear tires on 8 series specific 10.5" wheels and unfortunately tires rub when hitting a bigger bumps on the freeway.
    They are not rubbing alot so I am thinking maybe roll the fenders slightly or just bite the bullet and go for 285/35ZR18?
    Wanted widest tires possible to gain more traction, close to 600 hp really lights up the 275/35 at virtually any speed below 60mph, and I do have an LSD.
    I wear 285s. Was toying with the idea of going bigger, but now I know. No 295s for me.
    I may research the tires with the best dry traction I can find.

    Sent from my SM-N950U using Tapatalk

  6. #6
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    Depends on your suspension setup (how stiff they are) and which tire brand. I had same brand of tires that Dragon850 has on my 840ci with Blisters and Eibachs and no rubbing.
    \
    But Yeah, don't risk it unless you have SC 850 and need extra traction.

    Quote Originally Posted by thelongeride View Post
    I wear 285s. Was toying with the idea of going bigger, but now I know. No 295s for me.
    I may research the tires with the best dry traction I can find.

    Sent from my SM-N950U using Tapatalk

  7. #7
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    Tire widths are not consistent between manufacturers. Example: a 285 BF Goodrich will not rub on my stock 93, but a 285 KUHMO will rub all day long. Might want to stick with 285's, since you are only talking about 10mm increase in width. The HAMANN car that I saw in Germany a few years back, actually hade a 305 on it.
    '93 850Ci - Mineralweiß Metallic

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  8. #8
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    Went with Michelin Pilot Sport A/S 3+, 285/35ZR18 Rear and same 245/40ZR18 Front.

  9. #9
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    Why all-seasons? Wouldn’t a summer-only tire give better grip/control?

  10. #10
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    Quote Originally Posted by Dr. T View Post
    Why all-seasons? Wouldn’t a summer-only tire give better grip/control?
    According to my research those all season tires outgrip 90% off summer only tires on dry.

  11. #11
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    I also have the Michelin Pilot Sport A/S 3+ on 4 corners of 3 cars - 840, SL55, and A8. Love them in warmer weather, stick very well. I DON'T use them in snow. Heard from several people they are pathetic as snow tires. But they do grip very well when warm (drove the 840Ci up the TN side of Tail of the Dragon with these - very pleased with traction).

    Gary
    Last edited by Gary Knox; 01-05-2018 at 12:50 PM.
    Gary Knox

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    50 or so others over the past 70 years of driving

  12. #12
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    With the power levels you're running, good luck getting traction with anything less than sticky compounds in hot dry weather.

    and +1 to using a fender roller (LINK) and finisher (LINK) over a baseball bat, they make it a little easier not to wrinkle the fender.

    -James

  13. #13
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    I run 295/35 18s on my CSi, no rubbing at all. Looks fantastic and I love them!


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    1994 850CSi, 2007 M5, 1990 VW Westy Syncro, 2010 e61 Touring Manual

  14. #14
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    Quote Originally Posted by Major Cheese View Post
    I run 295/35 18s on my CSi, no rubbing at all. Looks fantastic and I love them!


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    Pics?

  15. #15
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    Quote Originally Posted by Fatandre View Post
    Pics?




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    1994 850CSi, 2007 M5, 1990 VW Westy Syncro, 2010 e61 Touring Manual

  16. #16
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    295/35ZR18 tires rubbing



    These are Racing Dynamics e31 specific wheels.


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    Last edited by Major Cheese; 01-12-2018 at 06:00 PM.
    1994 850CSi, 2007 M5, 1990 VW Westy Syncro, 2010 e61 Touring Manual

  17. #17
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    What front size do you run? A little surprising how high the body is over the tire. With 285/35/18, mine is only roughly 1/4” above the tire....maybe it’s just the angle. Looks great.

  18. #18
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    Quote Originally Posted by dragon850 View Post
    So I just installed a set of 295/35ZR18 rear tires on 8 series specific 10.5" wheels and unfortunately tires rub when hitting a bigger bumps on the freeway.
    They are not rubbing alot so I am thinking maybe roll the fenders slightly or just bite the bullet and go for 285/35ZR18?
    Wanted widest tires possible to gain more traction, close to 600 hp really lights up the 275/35 at virtually any speed below 60mph, and I do have an LSD.
    What is the offset? With 295 you should be above et20.

  19. #19
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    Quote Originally Posted by Major Cheese View Post


    These are Racing Dynamics e31 specific wheels.


    Sent from my iPhone using Tapatalk
    And they are amazing.
    Desecrator of all things Sacred

  20. #20
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    Quote Originally Posted by Dr. T View Post
    What front size do you run? A little surprising how high the body is over the tire. With 285/35/18, mine is only roughly 1/4” above the tire....maybe it’s just the angle. Looks great.
    245/40/18


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    1994 850CSi, 2007 M5, 1990 VW Westy Syncro, 2010 e61 Touring Manual

  21. #21
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    This article list the tire size for the Racing Dynamics K55. Sorry for the small print.
    RD K55 Article Tire Size.jpg
    1994 850CSi, 2007 M5, 1990 VW Westy Syncro, 2010 e61 Touring Manual

  22. #22
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    What’s the offset on the RD wheels? Would the 295’s work with M-Parallels?


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  23. #23
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    I don’t know the answer to either of your questions. Maybe someone else here can chime in?


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    1994 850CSi, 2007 M5, 1990 VW Westy Syncro, 2010 e61 Touring Manual

  24. #24
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    Important critical tip: Make sure you heat the paint before extensive fender rolling. Otherwise you'll crack the paint like I did.
    Here's some picts. 2011-09-17_18-01-25_199.jpg They're 315/35ZR-18 Michelin Pilot Sports.
    I'll look in my notes to see if I can find the offset, hell, it's been 7 years since I've done that.
    Last edited by Imndeep; 01-21-2018 at 02:35 PM.

  25. #25
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    Wow. This is super hot

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