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Sedans BMW 3-Series BMW 3-Series Run Flat Tires
2420 messages, Last post on Nov 29, 2009 at 8:10 AM
You are in the BMW 3-Series Forum. Your Hosts are pat & karens
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Replying to: ricardw (Jul 24, 2007 5:14 am) That's too easy. BMW simply adjusted the spec sheet, the 328i now has a Fr/Rr balance of 50.5 and 49.5 while the 335i has a Fr/Rr balance of 51.5 and 48.5 (both cars manual transmission equipped). Best Regards, Shipo
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Replying to: nkeen (Jul 23, 2007 2:38 pm) |
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Replying to: nkeen (Jul 24, 2007 2:34 am)  Looks like the problem is solved now, though - or maybe I should say a workaround to the real problem is about to be implemented since the real problem is RFTs/no spare/difficult to find replacements. Oh and expensive, too, right? |
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Replying to: shipo (Jul 24, 2007 5:29 am) I am considering putting the OE 18" Bridgestones on my 328i coupe. I am currently on GFT's and the tendency to wander has vastly improved over the RFT's but it still does not handle like the 335 at Highway speeds and above. Since the sport suspension is standard on the 328i coupe, does this sound like a feasible option? 
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Replying to: ricardw (Jul 24, 2007 7:02 am) Best Regards, Shipo
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took my 325i to the dealership to have the right rear tire repalced since it had a nail in it.... was expecting to pay big bucks.. but they replaced all four tires for free. can't complain too much about that. Jer
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Replying to: shipo (Jul 24, 2007 7:24 am) Given this extract from TIRERACK says the exact opposite can someone offer some insight: High performance tires with short sidewalls that develop lots of cornering power at lower slip angles will be more susceptible to tramlining than standard All-Season passenger tires that develop less cornering force until their slip angle increases. A wider treaded tire will encounter more longitudinal ruts and/or grooves in the road than a narrow treaded tire. A tire with large tread blocks that transmits the driver's input to the road with great precision will also transmit the road's imperfections back to the vehicle's suspension.
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Replying to: ricardw (Jul 24, 2007 9:47 am) Assuming that's the case, I know it is counter-intuitive, however, I've read just too many reports of the 335i SP having superior ride characteristics over the non-SP versions of the car. Given that the single largest difference between the two is the tires, you might well find that by going to the 18" staggered setup found on SP equipped cars will give you the ride and handling you are looking for.  Keep us posted. Best Regards, Shipo
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Replying to: shipo (Jul 24, 2007 10:36 am) Usually the amount of offset change is kept to a minimum and vehicle tracking remains relatively unchanged. However it the offset is significantly different, it will alter the way the road forces are transmitted through the tire and wheel to the suspension. Therefore, large changes in wheel offset will increase the likelihood of tramlining |
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swap wheels and test your car. If it drives better you know what you are missing. Krzys |
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