Tire pressure..
11-07-2009, 05:38 AM
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Replaced the Michelin Pilot Sport A/S with the Bridgestone Potenza RE960 AS PP...First thing I noticed when I hit the highway was a feeling that I wasn't getting the quick response when I made turns or lane changes. The ride is definitely quieter (the Michelins were shot and getting really loud so improvement was obviously expected) but there seemed to be some "float" or a delay (for lack of better description) when put it into a corner aggressively or made a quick move or lane change...
I guess I'm not getting that "ride on rails" sensation and confidence that I had before. It's not terrible or anything but definitely noticeable and I'd like to get my big go kart back..
Could this be as simple as a tire pressure issue? I haven't had the chance to check it. I had to make a late road trip last night and just wanted to get there. I'll check it before I head back.
Is there a tire pressure you guys prefer?
Nothing has changed in regards to the car other than the tires and I don't mind a little more noise and stiffness if it gives me my handling back!!
Thanks
I guess I'm not getting that "ride on rails" sensation and confidence that I had before. It's not terrible or anything but definitely noticeable and I'd like to get my big go kart back..
Could this be as simple as a tire pressure issue? I haven't had the chance to check it. I had to make a late road trip last night and just wanted to get there. I'll check it before I head back.
Is there a tire pressure you guys prefer?
Nothing has changed in regards to the car other than the tires and I don't mind a little more noise and stiffness if it gives me my handling back!!
Thanks
11-07-2009, 05:57 AM
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Originally Posted by UTVol545i' post='1049446' date='Nov 7 2009, 10:38 AM
Replaced the Michelin Pilot Sport A/S with the Bridgestone Potenza RE960 AS PP...First thing I noticed when I hit the highway was a feeling that I wasn't getting the quick response when I made turns or lane changes. The ride is definitely quieter (the Michelins were shot and getting really loud so improvement was obviously expected) but there seemed to be some "float" or a delay (for lack of better description) when put it into a corner aggressively or made a quick move or lane change...
I guess I'm not getting that "ride on rails" sensation and confidence that I had before. It's not terrible or anything but definitely noticeable and I'd like to get my big go kart back..
Could this be as simple as a tire pressure issue? I haven't had the chance to check it. I had to make a late road trip last night and just wanted to get there. I'll check it before I head back.
Is there a tire pressure you guys prefer?
Nothing has changed in regards to the car other than the tires and I don't mind a little more noise and stiffness if it gives me my handling back!!
Thanks
I guess I'm not getting that "ride on rails" sensation and confidence that I had before. It's not terrible or anything but definitely noticeable and I'd like to get my big go kart back..
Could this be as simple as a tire pressure issue? I haven't had the chance to check it. I had to make a late road trip last night and just wanted to get there. I'll check it before I head back.
Is there a tire pressure you guys prefer?
Nothing has changed in regards to the car other than the tires and I don't mind a little more noise and stiffness if it gives me my handling back!!
Thanks
11-07-2009, 07:17 AM
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My Ride: 2007 530i. Purchased 6/28/07. Titanium Silver Metallic, Black Dakota Leather, Dark Poplar Trim, Steptronic, Premium Package, Cold Weather Package, Bluetooth, Adaptive Control Xenons. 10/30/07 Added OEM 124s with 245/40/18 & 275/35/18 Michelin Pilot Sport A/S tires. Installed red Cal Covers� from BavAuto. 11/21/07 Added OEM all-weather floor mats (for winter, carpet in summer) and coat rack. 6/26/08 installed M5-style rear spoiler. 6/30/08 put on red reflectors. 8/22/08 Euro turn signal stickers applied. 3/20/09 Installed Shadowline Trim. 3/27/09 Added Matte Black Kidney Grilles from Trinity. 4/03/09 Installed Bimmian Shadow Matte Black 530i Badges. 4/04/09 Installed LED license plate lights from Trinity. 5/01/09 Installed Brabus Interior LED Kit and White Angel Eyes. 5/02/09 Put in Brabus 6K Fogs. 5/14/09 Removed charcoal filter. 5/15/09 Installed light smoke LED side marker lamps from Trinity. 5/21/09 Sprint Booster. 6/12/09 Painted exhaust tips flat black. 6/13/09 Pulled red Cal Covers and painted calipers low gloss black. 6/27/09 RPI Ram Air Scoop from Trinity. 8/15/09 Installed Brabus's silver invisibulbs front and rear. 9/24/09 Installed R-Dash license plate LEDs from Brabaus (John).
It could be a matter of adjusting to the new tread depth. If your PS's were low depth, they would have less "sway" than new tires with all that thick tread that tends to fold a bit in corners. Some guys go so far as to shave their new tires to avoid this. Just let them get worn in a bit and I imagine you'll be back in business.
11-07-2009, 07:30 AM
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Originally Posted by CWS530' post='1049478' date='Nov 7 2009, 11:17 AM
It could be a matter of adjusting to the new tread depth. If your PS's were low depth, they would have less "sway" than new tires with all that thick tread that tends to fold a bit in corners. Some guys go so far as to shave their new tires to avoid this. Just let them get worn in a bit and I imagine you'll be back in business.
Thanks!
11-07-2009, 07:34 AM
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My Ride: 2007 530i. Purchased 6/28/07. Titanium Silver Metallic, Black Dakota Leather, Dark Poplar Trim, Steptronic, Premium Package, Cold Weather Package, Bluetooth, Adaptive Control Xenons. 10/30/07 Added OEM 124s with 245/40/18 & 275/35/18 Michelin Pilot Sport A/S tires. Installed red Cal Covers� from BavAuto. 11/21/07 Added OEM all-weather floor mats (for winter, carpet in summer) and coat rack. 6/26/08 installed M5-style rear spoiler. 6/30/08 put on red reflectors. 8/22/08 Euro turn signal stickers applied. 3/20/09 Installed Shadowline Trim. 3/27/09 Added Matte Black Kidney Grilles from Trinity. 4/03/09 Installed Bimmian Shadow Matte Black 530i Badges. 4/04/09 Installed LED license plate lights from Trinity. 5/01/09 Installed Brabus Interior LED Kit and White Angel Eyes. 5/02/09 Put in Brabus 6K Fogs. 5/14/09 Removed charcoal filter. 5/15/09 Installed light smoke LED side marker lamps from Trinity. 5/21/09 Sprint Booster. 6/12/09 Painted exhaust tips flat black. 6/13/09 Pulled red Cal Covers and painted calipers low gloss black. 6/27/09 RPI Ram Air Scoop from Trinity. 8/15/09 Installed Brabus's silver invisibulbs front and rear. 9/24/09 Installed R-Dash license plate LEDs from Brabaus (John).
Originally Posted by UTVol545i' post='1049491' date='Nov 7 2009, 10:30 AM
This sounds exactly like what I'm experiencing.. "sway" is a good word for it. Sounds like a good time to give her a little workout..I'm in the Smoky Mtns this weekend so I may just have to head over to the Tail of the Dragon and throw it anound some corners
Thanks!
Thanks!
11-07-2009, 02:19 PM
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My Ride: 2010 535i M Sport 6MT
Model Year: 2010
I run non-RFT Bridgestone Potenza 760 Sport 245/45R18 W-rated tires on all four corners. Front 32 psi, rear 39 psi. I also have Active Steering and Active Roll Stabilization. Vehicle seems to track accurately and goes where I steer.
11-07-2009, 03:13 PM
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My Ride: 2006 BMW 550i
i have the same tires and ran the stock tire pressures(door jamb sticker) on my 550i with 124 style wheels. the fronts wore good, but the rear wore out faster due to being rwd and having a heavy foot. 
i noticed the rears were a little more worn down the center of the tire. you definetly dont want to over-inflate too much, otherwise you'll get more wear down the center of the tire.
i noticed the rears were a little more worn down the center of the tire. you definetly dont want to over-inflate too much, otherwise you'll get more wear down the center of the tire.
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