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      05-29-2014, 02:28 PM   #23
dtn
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Quote:
Originally Posted by roundel335 View Post
Just keep in mind that:

a. 20" wheels with very low-profile tires will be more likely to get damaged by potholes and other road hazards
b. They increase ride harshness because there's less sidewall to absorb bumps
c. The tires cost more to replace than 18" versions
d. They're heavier than 18" wheels (unless you buy super-expensive lightweight versions), which can have a negative effect on handling

Be really careful with wheel offsets, or the tires will rub the fenders/suspension.
a. What do you consider low profile for a 20" wheel?
b. Yes the ride harshness increases but the F30 already rides really soft (too soft in my opinion); with non-runflats, the ride softens as well.
c. Of course.
d. Increase in tire width with larger wheels can positively affect handling. A larger wheel is more rigid which can positively affect handling as well.
e. Lowering the car positively affects handling.

IMO 20" wheels on a F30 is a no brainer. Add a drop and you transform the car's aesthetics and handling.
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      05-29-2014, 02:29 PM   #24
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Quote:
Originally Posted by TAGMS View Post
I think the F30 NEEDS 20" wheels. but thats just me.
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      05-29-2014, 02:46 PM   #25
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Quote:
Originally Posted by dtn View Post
a. What do you consider low profile for a 20" wheel?
b. Yes the ride harshness increases but the F30 already rides really soft (too soft in my opinion); with non-runflats, the ride softens as well.
c. Of course.
d. Increase in tire width with larger wheels can positively affect handling. A larger wheel is more rigid which can positively affect handling as well.
e. Lowering the car positively affects handling.

IMO 20" wheels on a F30 is a no brainer. Add a drop and you transform the car's aesthetics and handling.
a. 35 section and below is very low-profile. Avoid potholes and other road irregularities.
b. My F30 doesn't ride "really soft" or soft in any way, but then I have DHP on an M-Sport line.
c. Not only are they more expensive, but are sometimes harder to find.
d. I did not mention increase in width, but rather increase in diameter; more metal is required for a larger wheel, resulting in higher unsprung weight. The same is true when increasing wheel width unless you purchase lightweight forged wheels (around 20lbs each), which are generally significantly more expensive than standard cast wheels.
e. Lowering can have a positive effect if you track your car; on the street, it's a tossup, as you now have less ground clearance and are more susceptible to the aforementioned road hazards, especially speed bumps. Screwing with the car's suspension, especially if you have DHP, can affect warranty as well as handling, and not necessarily in a positive way.

I agree - 20" wheels on an F30 could be indicative of a lack of brains -I'm just messin' with ya . Depends on what kind of image one is attempting to project. 20" wheels on a 5, 6, or 7-series? Sure...suits the bigger, heavier car, same as on an X5 or X6. For an F30, it's sort of like "Fernando" (Billy Crystal) used to say about how it was "better to look good than to feel good, you know what I'm saying to you?"
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      02-20-2015, 11:48 PM   #26
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what offset should I run on my f36 428i if the wheel measures 20x8.5 and 20x10. also what size tires do you recommend as well, thanks guys
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      04-09-2015, 11:46 PM   #27
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Quote:
Originally Posted by AMJAM View Post
They fit with no problems I have 20x8.5 front and 20x10 rear a seen in pic below
what tire sizes are you running?
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      04-11-2015, 12:18 AM   #28
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These pics are a little old, but the wheel and tire specs are in my sig, this is while i was on H&R super sports. Im on coilovers now and about 1/4" lower.







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      05-17-2017, 01:20 AM   #29
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these look awesome
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