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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > F07 Gran Turismo (2010 - Current)

F07 Gran Turismo (2010 - Current)
The 5 Series Gran Turismo -- now available in the USA as a 535i, 550i and 550i xDrive model.

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  #1  
Old 12-16-2013, 09:08 AM
Rogue2258 Rogue2258 is offline
Rogue2258
Location: La Porte, Tx
 
Join Date: Oct 2012
Posts: 109
Mein Auto: 2010 550i GT, 2011 535i
960 A/S RFT...who's GT is this???

1st impressions are everything. Albeit not the case with tires, but please allow me to live in the moment by passing on my initial impressions from our new set of Bridgestone Potenza 960 A/S RFT. I do not recognize our GT. I have put less than 100 miles on them, but I am anxiously awaiting additional time in the driver's seat. Our GT feels silky on the road. It seems as though our GT is laying on the pavement ready to pounce as opposed to the prior hard edged tip toe stance that was uncomfortable at best with the Conti SSR3's. Cornering is silky, but remains direct and surefooted. We are blown away by the improvement in ride quality! Bumps that were previously harsh and unbearable are almost unnoticeable. The issue of ride quality was one of tremendous concern. There were many times when I would rather have left the GT at home just to save my wife and I the aggregation of the jolts transmitted into the cabin during a normal ride around town on the SSR3's. In essence the 960 A/S's have given us a new GT. The 960 A/S's also feel soft and hook up off the line. They do not break loose like the LS2's. Obviously our 960 A/S's are brand new, and these observations may evolve in another direction over time.

There has been much discussion on the ride quality of RFT's, and I am empathic to the issues of early RFT. We were not willing to run a non RFT. Is this the level of ride quality that we can expect with the newer RFT technology? If so I believe we will all benefit greatly from the incredible improvements that have been made.

I am not sure if the 960 A/S is correct for the different rim sizes of the GT, but I believe the 970 A/S is a sister tire to the 960 A/S. The 970 A/S covers another grouping of sizes, but I cannot speak to the 970 A/S with certainty.
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  #2  
Old 12-16-2013, 01:32 PM
jadnashuanh jadnashuanh is offline
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Location: NH
 
Join Date: Jun 2011
Posts: 698
Mein Auto: 535ix-drive GT
In some of the TireRack's comparison testing, they've praised the newest Bridgestone's improvement in ride quality - rating it almost indistinguishable from the equivalent tire in non-RFT technology. WHen I need to replace my current OEM tires, I'll probably go that route. For another data point, I'm currently running some Michelin PA2 winter tires, and the difference in ride quality is significant from the OEM Goodyear tires supplied with the vehicle...they do not handle quite as well, but for a winter tire, they're fine...the ride is much better, though.

Bridgestone has developed a new tech for the sidewall to dissipate the heat when flat better while still being strong enough to support the vehicle. RFTs are getting better. Hopefully, the trend continues across multiple brands and types so there's a better set of choices.
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  #3  
Old 01-13-2014, 12:22 PM
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Bemo Bemo is offline
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Location: Connecticut
 
Join Date: Oct 2011
Posts: 945
Mein Auto: 2011 328xi
We're happy with our all season GoodYear RFTs. Got a new set about a month ago (27k miles) and the car handles great. Perhaps the quality of roads here is a tad better.
I'm due for new tires for the 3 and will look into the Bridgestones...


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  #4  
Old 01-17-2014, 10:48 AM
Helmut S Helmut S is offline
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Location: California
 
Join Date: Jan 2014
Posts: 2
Mein Auto: 550i Gran Turismo
Goodyears on my 550i GT

Thank you for the post. I was contemplating the new 960's for my car. The Goodyear are shredding on the front outer edges and one in particular has bulging in the sidewall. I had heard of Goodyear problems and given reviews on tire rack nothing seems to have changed.
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