Help With Rim & Tire Sizing

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  • Seriousblaue30
    Noobie
    • Feb 2026
    • 3

    #1

    Help With Rim & Tire Sizing

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ID:	10155482​Hey All! First post here on the Forum.

    I recently bought a pretty 89 that came with these Alpina-style 16s. The tires on it currently are 225/45R16 93W.
    I like the look of the alpinas but I'm more tempted to buy some RS reps for the car. I added a screenshot of what I was thinking of getting. The specs for the RS reps are
    Size : 16X7.5
    Bolt pattern : 4X100/114.3
    Offset : F&R: 35MM
    Hub Bore : 73.1mm
    :
    Will these fit on the car as it is lowered and with the same tire spec, or is there another rim and tire spec that might work a little better for handling? I bought the car with my dad, and he doesn't seem completely sure those rims and tire specs will work with the car as it is, lol. I'd love to get any advice on making sure the rims and tires fit before I spend the money. All help is greatly appreciated!​
  • McGyver
    R3V Elite
    • Jun 2009
    • 4513

    #2
    This is going to depend on the offset. At 35, you should be fine.

    Use this site to visualize the current setup and your proposed setup:
    Alloy Wheel & tyre fitment calculator - it calculates inset, poke, speedo error, tyre stretch and loads more.


    Also, are you sure you want to spend your money on reps? The wheels on the car look pretty cool. I bet if you polished the lips and maybe painted the centers, they'd look even better.
    sigpic
    1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
    1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
    1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]

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