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      01-30-2011, 01:32 AM   #75
hotrod182's Avatar

Drives: 07 335i, 06 M3
Join Date: Dec 2006
Location: California

iTrader: (0)

Just got finished painting my front K1s, and installed on the car.
Running the rear K1s also. Will try and see if I can measure any difference in the qtr mile.

I was quite surprised there is not much difference in weight between the rear M-Sport 18's and my 17" Kosei/NT05R setup. Only 7.8lbs lighter per wheel. I'm sure a big part of that is the run flat tires themselves.

I triple weighed each setup to insure accuracy in the results.

This diesel can use all the dieting help it can get. I could proceed to strip the entire interior and this thing would still weigh more than a stock 335i. Kind of funny how my goal on my 335i was to make it closer in weight to a stock 135i. And my goal in the diesel is to make it closer in weight to a stock 335i !

To Summarize:

51.0 lbs Stock Front Wheel
39.2 lbs 17” K1 with General Exclaim

11.8lbs x 2=23.6 lb front wheel difference

53.6 lbs Stock Rear Wheel
45.8 lbs 17” K1 with Nitto NT05R 275/40/17.

7.8 lbs x 2=15.6 lb rear wheels difference

39.2lbs Total difference between stock 18” RFT/Wheels and 17” K1 setup.

Also, as far as running a 16" drag setup...the calipers are pretty darn close to the wheel as it is with these 17" K1s. Well hope this info is helpful for those of you who were interested in the weight differences of the K1 setup vs Stock.
Attached Images
2011 Alpine 335d M-Sport 12.34 @ 110.48mph
2017 i3 Terra
2008 Black 335i Sedan. 11.11@ 129.47 mph
2008 Monaco Blue JB3 2.0 335i Coupe. 11.33 @ 132.77 mph (N54 stock turbo trap speed WR)
60-130mph: 6.95 seconds stock turbo WR (.16% slope)

Last edited by hotrod182; 01-30-2011 at 01:44 AM.