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6 Series
The BMW 6 Series builds on BMW's sporty heritage with aggressive lines and an incredible motor to back the design up. Available in coupe and convertible trims with a standard 4.8 liter engine producing 360 horsepower and 360 lb-ft of torque, the 6-series is a popular choice that exceeds expectations.

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  #1  
Old 01-18-2006, 06:33 PM
650/drive 650/drive is offline
Location: Southeast
 
Join Date: Jan 2006
Posts: 16
Mein Auto: 650i con,spt,6spd,blksaph
Tires Tyres and size does matter

Waiting for Feb. delivery of my 650 conv. I am not a big fan of the elipsoid(?) rims with the sport pkg. So in the mean time I found some m6 wheels to put on until I find exactly what I want. Here is the question, the sport package calls for 245/40 and 275/35 on the back. The m6 comes with 255/40 and 9.5 (vs. 9.0) 285/35 on the back.

1.)Should I use the "stock" tires (from the sport package) or upgrade to bigger for the m6 wheels

2.) Will the larger size effect speedo,handling, ride. I am not into the bling bling, more into ride and handling.

3.)What tire brand, size, run flats?

Thanks in advance from a newbee.
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2006 650i conv. black sapph, cold, sport, HUD, 6spd
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  #2  
Old 01-18-2006, 06:37 PM
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Nevervana Nevervana is offline
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Location: Uranus-shire
 
Join Date: Jan 2006
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Mein Auto: Jet Black 650i
I was about to get some new tires for my 650 and the guy told me to get:

245 35 20 front
285 30 20 rear

I hope he knows what he's doing because your numbers are different...
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Old 01-18-2006, 06:46 PM
Malibubimmer Malibubimmer is offline
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Mein Auto:
The sizes Nevervana has posted are "plus 1," which maintains approximately the same rolling radius with a one inch larger diameter wheel. The sizes 650/Drive has posted are just fatter tyres, assuming they are on the same size wheels as the ones being replaced (19 inch).
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Old 01-18-2006, 06:46 PM
650/drive 650/drive is offline
Location: Southeast
 
Join Date: Jan 2006
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Mein Auto: 650i con,spt,6spd,blksaph
I am getting my info from the 2006 6 series brochure under sport package. It would not surprise me for it to have a mistake, but I did double check it to be sure. 19x8.5 19x19.0 245/40r/19 275/35r/19 . I assume this rim will fit multiple size tires?
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2006 650i conv. black sapph, cold, sport, HUD, 6spd
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Old 01-18-2006, 07:26 PM
cobradav cobradav is offline
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Mein Auto:
Quote:
Originally Posted by 650/drive
I am getting my info from the 2006 6 series brochure under sport package. It would not surprise me for it to have a mistake, but I did double check it to be sure. 19x8.5 19x19.0 245/40r/19 275/35r/19 . I assume this rim will fit multiple size tires?
Those are correct and as delivered. Go to tirerack.com. Pick a nice Michlein PS2 or the OEM Bridgestone tire in the stock size. Go to the specs. You will get a nice list of that tire in all the sizes offered and the dimensions, including diameter (stay within 3%), and the width recommendation (usually expressed as a range such as 8-9.5"). Check all the brands and tire types you are considering as the mfrs do not all produce them in the sizes you want. You could go up in diameter by 2% and probably bring your speedo and odo right on the money as BMW is high by 2% on stock tire size.
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