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Old 06-24-2019, 05:39 AM   #1
emmm_three
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What size wheels to run on 04 330ci

Hi guys, my 04 330ci originally came with 17's (remember the style 68s?).
I'm currently running VMR 19's CSL replicas and want to go with lighter wheels for the track. Are 17's the best to match the motor/transmission of the car or would running 18's also work?
Now which wheels do you guys recommend? Go with a square setup or staggered?

I feel with 19's I'm losing some speed because of their weight and the because the engine and transmission were geared for 17s?

Am I off on this on pretty much dead on?

Thanks in advance.

Here is the car with 19's

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Old 06-24-2019, 12:32 PM   #2
armenh7
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If you're willing to spend big money, you could find a track oriented wheel that could be 19" yet lighter than a 17. It all depends on the purpose
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Old 06-24-2019, 12:52 PM   #3
emmm_three
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Quote:
Originally Posted by armenh7 View Post
If you're willing to spend big money, you could find a track oriented wheel that could be 19" yet lighter than a 17. It all depends on the purpose
I'm thinking smaller or stock wheel diameter equals faster acceleration?
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Old 06-24-2019, 03:25 PM   #4
Strebor
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Appearance-wise, 17" or 18" wheels seem to look "right" on an E46 to me. You'll find plenty of opinions there. Performance-wise, a 17" or 18" wheel works best on an E46. You'll find plenty of agreement there.

I went with Apex's ARC-8 wheel in 17x9 ET42. At 17.8 lbs each they are about 5lb lighter than the OEM style 68's and a half inch wider. I paid a bit over $200 each at their last group buy. In my opinion you can't buy a lighter, stronger, or cheaper wheel for a BMW. I happen to think they look damn good too. Additionally, 17" tires are typically cheaper than 18" tires. There is also good variety of track oriented rubber in the 245/255 sizes which fit the non-M cars best.

Also consider Konig. They offer some lightweight 17x9 race-oriented wheels that are affordable. Tire Rack has a house brand wheel (FF10) that looks promising too.
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Old 06-24-2019, 08:05 PM   #5
gde15237
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Quote:
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I went with Apex's ARC-8 wheel in 17x9 ET42.

I did exactly the same wheel. They’re great.



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Old 06-25-2019, 02:46 PM   #6
emmm_three
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You guys that dropped down from 19 to 18 or 17, did you feel an immediate difference in faster acceleration and better nimbleness with the car?
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Old 06-25-2019, 06:51 PM   #7
gde15237
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Originally Posted by emmm_three View Post
You guys that dropped down from 19 to 18 or 17, did you feel an immediate difference in faster acceleration and better nimbleness with the car?

I never drove the car on 18” wheels. It had 17” wheels and all-season tires when I bought it and I bought a square set of Arc-8s with Hankook RS4 tires for track use.


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Old 06-30-2019, 02:31 PM   #8
BIC_BAWS
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I went from 19" VMRs (same as yours) to OEM Style 68Ms (17"). I found a significant difference in turn in, acceleration, and the car felt more agile. I put on 18" 3-piece wheels (**** they're heavy) on and took it to the track this past weekend. It definitely feels like acceleration is slower, but turn in wasn't that bad. Having said that, I've also made different suspension upgrades between these two time periods and it would be hard to precisely say that it is x and not y. You definitely want to aim for a wheel that is light weight. Maybe RPF1s? Look into the mechanics of unsprung weight.
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Old 07-09-2019, 01:04 PM   #9
Zimo32
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Larger diamater = slower acceleration and with a 330 the car is already slow enough.

I'm running 15s on my 325
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