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Thread: Recommended 18" Tyre and Spacer Sizes for E34

  1. #1

    Default Recommended 18" Tyre and Spacer Sizes for E34

    Hi Guys,

    Am thinking of getting a set of Alpinas for my E34 and would like to seek the sifus' advice on the recommended tyre size options as well as spacer sizes. This would be my first time running on a staggered set-up and so would appreciate the help.

    I'm currently running an E34 on Lowered Sachs Sporting Kit and on 18" Hamman HM-2s, non-staggered running on 235/35/18.

    As such, what would be the recommended tyre & spacer sizes required for for the following rim sizes:

    - 18 X 8"
    - 18 X 8.5"
    - 18 X 9"
    - 18 X 9.5"
    - 18 X 10"
    - 18 X 10.5"

    I hear that for E34, it'd be best not to run with a too wide a wheel width, so appreciate if you guys could advise on the recommended maximum width size as well.

    Also, as I'm running on a lowered suspension, would there be any rubbing to the fenders or shocks assuming I'll ride with a load of 3 adults in the back seat?

    All related advice and recommendations are much appreciated.
    Thanks in advance!

  2. #2
    Join Date
    Apr 2005
    Location
    Philadelphia
    Posts
    805

    Default

    I have 18x8 on the front running 255/40/18 and 18x9 on rear running 265/35/18. No problems at all. Handling has increased since tire/wheel upgrade. I also have Eibach lowering springs on the vehicle.
    Rondell 58's|Eibach Springs|B&B Tri-Flow Exhaust|Shadowline|S/D Rotors|KYB Struts



  3. #3
    Join Date
    Jul 2006
    Location
    Houston, Tx
    Posts
    592

    Default

    Yes, yes.. some of us model our future upgrades on your numbers

  4. #4
    Join Date
    Jun 2004
    Location
    Bay Area, CA
    Posts
    1,825

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    I have 18x8.5 with 235/40/18 on the front and 18x9.5 with 265/35/18 on the rear.

    I didnt rub with a trunk full of golf bags and luggage and 2 adults in the rear. The tires tucked right into the fenders.

    www.KaRealtySF.com
    Build Date: 05-1995 /Engine: m50tu /Automatic Transmission /ABS /NO ASC /Open Differential /EAT Chip

  5. #5
    Join Date
    Dec 2003
    Location
    PA
    Posts
    5,403

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    17x8.5 front 235/45/17 and 17x10 rear 255/40/17 - rubs in the back over big dips

  6. #6
    Join Date
    Aug 2006
    Location
    Jersey, Channel Islands
    Posts
    65

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    No offence, but these informations are useless without ofsets (ET).
    Jan

  7. #7
    Join Date
    Jun 2004
    Location
    Bay Area, CA
    Posts
    1,825

    Default

    Okay, super sorry yani. ET 15 front and ET 18 rear. I think. Might be the other way around.

    www.KaRealtySF.com
    Build Date: 05-1995 /Engine: m50tu /Automatic Transmission /ABS /NO ASC /Open Differential /EAT Chip

  8. #8
    Join Date
    Mar 2006
    Location
    Charleston, SC
    Posts
    122

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    245/45/18 front and 285/35/18 in the rear. The rear rubs like **** and I would not reccomend that size

    '90 535i
    UUC SSK, Bilstein shocks, Eibach spings, EAT chip, CAI, Super Sprint exhaust, Hella euro headlights, HID kit, M5 spoiler

  9. #9

    Default

    Thanks all for the advice. Really valuable input.
    The current owner of the rims advised that I may have to roll fenders for the rear but the front's alright. Not very sure about the offset as well, but they're original Alpina Classics.

  10. #10

    Default

    Hi Guys,

    Just to update on the size, finally got the key to open up the wheel cover from the owner. The rim sizes are 18X9J Offset 12 (Front), and 18X10.5J Offset 20 (Rear).

    Would 10.5" wide wheels be a tad too wide for the rear?
    Cheers!


    1989 E34 - "Gretchen"

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