I just picked up some new 17inch wheels,17*6.5 17*7. Anybody recommend some tires? The recommended size tires by the manufacturer are 195/40/17 205/40/17. I see most people are going 215/35/17 in the back,any recommendations here?tia
I just picked up some new 17inch wheels,17*6.5 17*7. Anybody recommend some tires? The recommended size tires by the manufacturer are 195/40/17 205/40/17. I see most people are going 215/35/17 in the back,any recommendations here?tia
You might also want to seek a recommendation to have your ESC reprogrammed.
I'm running 195/40x17front 225/35x17 rear yokohama s-drives no problem. Well during the summer.
You're still confusing your ESC computer. It wasn't programmed to run with tires that size. I'm sure that your car is running fine. But it's not often that you need ESC. When you do, it's likely that yours will not function properly. Your driving skills may be good enough that it won't matter, but changing tire sizes without re-programming ESC is not something I would recommend.
If you want bigger tires, why not simply trade your car in for a Brabus. Then you'll have a car with all systems integrated to function with that particluar set up.
You're still confusing your ESC computer. It wasn't programmed to run with tires that size. I'm sure that your car is running fine. But it's not often that you need ESC. When you do, it's likely that yours will not function properly. Your driving skills may be good enough that it won't matter, but changing tire sizes without re-programming ESC is not something I would recommend.
If you want bigger tires, why not simply trade your car in for a Brabus. Then you'll have a car with all systems integrated to function with that particluar set up.
The outside diameter of the tire is the same as the stock.Well not exactly the same but close enough that it doesn't effect your traction conctrol, abs or esp. If you change the size of the outside diameter then you are going to have problems.
You're still confusing your ESC computer. It wasn't programmed to run with tires that size. I'm sure that your car is running fine. But it's not often that you need ESC. When you do, it's likely that yours will not function properly. Your driving skills may be good enough that it won't matter, but changing tire sizes without re-programming ESC is not something I would recommend.
If you want bigger tires, why not simply trade your car in for a Brabus. Then you'll have a car with all systems integrated to function with that particluar set up.
The US Brabus runs 215/35/17 in the rear. I think the European Brabus runs 225/35/17, which is the same as what Giant Killer is running
Bill I think you are not entirely cognizant of what the ESP senses or how it works. It is a differential comparator and the computer is NOT sophisticated.
The real issues with larger diameter tires are; speedometer error, Trans shift logic, and power/torque reduction at tire...
The 4 corner ESP tone ring sensors are NOT providing speed logic. They are compared 100 times per second to determine slip, and are coupled with the 2 axis Pitch and Yaw accelerometers. The Electronic Stability Program (ESP) and Traction Control (active ABS) and power control (electronic throttle position) all work together to reduce over steer and provide untrained drivers safe control under some specific driving conditions or vehicle attitudes
Additionally I think your concern is unfounded because the sizes discussed are all within 1~2% of factory diameter. More to the point the factory diameters are different front to rear. Because of this the ESP program has built in + or - tolerances for tire diameter by design. I also doubt the BRABUS computers are any differently programmed just because of tire width changes
I think there are three primary issues to consider when changing to much wider tires...1. Be aware that hydroplaning will increase significantly. 2. Since there is NO way to correct the factory Speedo for different diameters you must stay close to the factory diameter by using smaller profile tires. 3. If you use the same width front and rear it is probable that the factory designed under-steer will be change to neutral, or biased toward over-steer... Over-steer, on a light, short wheel based car, can get some drivers in a lot of trouble quickly and too fast for TC or ESP to counter act
One additional issue is ride quality... 17" and 18" diameter rims require very low profile tires... by definition this causes a harsher ride
That all said, I drove a 450 turbo high power smart in Germany in 2007 with 215mm rear and 205 fronts and the Lil bugger was fast, responsive, fun, and safe at autobahn sppeds...and I flogged the snot out of her on some interesting secondary roads with good hard flat and banked turns.... real stable car... but compared to my stock 451 the souped up smart had a real harsh jarring ride...
Still loads of fun keeping up with the Saturday motorcycle riders carving the corners on B17 north of K-Town...grin
When I modify my suspension and wheels I will be looking for a 16" rim soultion and 205mm rear and 195mm front
I am also seriously considering 195mm all around for ease of rotation and accept the over- steer bias
...I am also seriously considering 195mm all around for ease of rotation and accept the over- steer bias
Would the 195's will give a more compliant ride over the higher profile 175's?
Otherwise, what are the reasons to use a 195 - perhaps greater variety with a softer running tire available?
Other than using the 175 Contis on the front I've also been looking at a set of four 195/50 -15 Yokahama Avid T. - what say you to that?
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