What is the widest tire you can put on a 325i?

Coy325i
75

Asked by Jan 08, 2012 at 11:19 PM about the 1989 BMW 3 Series 325i

Question type: Car Customization

I have 6.5 inch by 14 inch diameter rims and I'm thinking of 7.5 or 8 inch by 15 inch diameter rims.  Will it make a difference on the tire width?  I'm currently running 195/65/14 tires.  Would 205/50/15 tires look noticeably wider?

12 Answers

ben  stein
345

TireRack has great tools to figure out what is an acceptable tire for a car

1 out of 1 people think this is helpful.
Matt Mankinen
2,555

^ +1 on Tire. Though most E30 BMW enthusiast upgrade to a 17" wheel. Which is typically 8" wide. Also it's possible to do a 5 lug conversion to have more of a selection or wheels/rims to choose from. I upgraded a E32 740iL from a stock 15" to a 18" set of rims and it helped the handling in corners. I taller wheel with lower profile tires gives less play for tire sidewall flexing. Usually a rim upgrade will give you a wider stance due to a better offset profile (depending on brand). Don't forget to have your inner fender rolled to prevent a tire rubbing issue.

Coy325i
75

I was wondering about the fenders, the front seems to clear completely and the rear looks like it has 1-2 inches. Would a 7-8 inch rim rub on the inside? I was thinking of the 15 inch rims mostly because it gives me a wider selection of higher mileage, all-weather performance tires. I'm not planning on auto-crossing and the 195/65/14s actually handle well enough for my driving. I really am mostly going for appearance; I'm after a wider appearance.

Jason Gannett
45

Most guys run 15x7's. If you go 205/50 it will definetly look wider than your current set up. If youre going for looks, I'd recommend ESM's 16x8's with a 225/45/16. This is also all depends on suspension. Good luck!

Coy325i
75

Thanks for the feedback guys. What are ESM's?

1 out of 1 people think this is helpful.
Matt Mankinen
2,555

Yea go with 205/50s that's what I usually ran on my E30s

Coy325i
75

Yea! That red one looks like the size I'm after. Is that a 16" rim?

1 out of 1 people think this is helpful.
Matt Mankinen
2,555

15" Here they are mounted on the coupe

Best Answer
James Sachs
75

I had 225 60 14 on my 1990 325i.

Matt Mankinen
2,555

Any turning clearance issues with 225??? Also tire size, cost, and availability will help with your decision.

James Sachs
75

Full turn with heavy compression cause contact on fronts, otherwise, no problems.

Coy325i
75

I got 15" rims from Tire Rack for mi 325i convertible with a 25mm offset. Then put on 225/50/15 all-weather performance tires and and had them siped - it handles great with no rub. The tread is 9" wide and the tire diameter is essentially identical, so the speedo is still correct.

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