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F12 / F13 (2012 - Current)
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  #1  
Old 08-17-2012, 05:54 PM
gehmjc21 gehmjc21 is offline
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Location: Upstate NY
 
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Mein Auto: 650i x drive retired
Quick question - Winter set up

Hey guys, I have a question before I buy winter tires. Do you think I can run 4 235/35R - 19 on the oem 351 wheels for the 650xi coupe?

I see the straight 19s are 245/40R-19. I want to make sure these other ones can hold the weight of this beast?
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  #2  
Old 08-19-2012, 04:36 AM
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Bönz Bönz is offline
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It's not a matter of weight in this case, it's a matter of diameter. 235/35-19 is too small with an overall diameter of 25.7 inches. This will effect your speedometer reading, "gearing" and appearance.

You can certainly use a 235 section winter tire, but at a minimum you need to go with 235/40-19 (26.7in) or better yet 235/45-19 (27.6in) A slightly taller tire for the winter is better IMO. The stock 6er diameter ranges from 26.7 to 27 inches depending on set up.

Personally I plan to go with 245/45-19 winter tires on dedicated wheels - or a dedicated vehicle - I haven't decided. Consult Tire Rack for additional information. Its website is full of great reports, data and reviews.
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Old 08-19-2012, 06:53 AM
gehmjc21 gehmjc21 is offline
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Quote:
Originally Posted by Bönz View Post
It's not a matter of weight in this case, it's a matter of diameter. 235/35-19 is too small with an overall diameter of 25.7 inches. This will effect your speedometer reading, "gearing" and appearance.

You can certainly use a 235 section winter tire, but at a minimum you need to go with 235/40-19 (26.7in) or better yet 235/45-19 (27.6in) A slightly taller tire for the winter is better IMO. The stock 6er diameter ranges from 26.7 to 27 inches depending on set up.

Personally I plan to go with 245/45-19 winter tires on dedicated wheels - or a dedicated vehicle - I haven't decided. Consult Tire Rack for additional information. Its website is full of great reports, data and reviews.
Bonz- thank you for the info, extremely helpful!
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Old 11-25-2012, 04:00 AM
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Bönz Bönz is offline
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Uhhhgg. Today's the day I have to make the switch. I held off as long as I could, but the temps have dropped and are staying below 40. Not to mention there's a dusting of snow on the ground this morning. I ended up going with an OEM setup - the 18" V spoke 281s with Dunlop SP WINTER SPORT 3D DSST. Cost a little bit more than a deal from tire rack, but the set up is covered by the wheel/tire insurance I purchased from my dealer.
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Old 11-25-2012, 10:53 AM
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Bönz Bönz is offline
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Here they are. Not as hot as the 20s, but winter is here.
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