LS - 5th Gen (2018-present) Discussion topics related to the current flagship models LS500 and LS460 F.

Run-flats vs. standard tires

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Old 08-22-20, 09:40 AM
  #16  
Toys4RJill
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Originally Posted by DAV2149
And in the era of COVID if you request a tow from either Lexus Roadside or AAA you are not allow to ride with the driver or even sit in your car while it's being towed. I had to pay $125 to be flat-bedded by a private company to the nearest Lexus dealer and thankfully I was allowed to be a passenger in the cab of the tow. I was 60 miles from home and had no one to come and get me. My run flat (Bridgestone) was completely ruined .
Its too bad. None of this would have happened if there was a full size spare.
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Old 08-22-20, 11:33 AM
  #17  
tfischer
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When a runflat goes bad, it usually can't be fixed; it must be replaced, and one of the problems in the early days of runflats, when I had them on my SC430, was that runflats were rare and not kept on hand at most places. A problem on the road, especially away from an urban center and especially on a weekend meant a very long delay to get a new tire for the car. I don't know how things are now in that regard, but I felt better when I got standard tires on the car; I added a spare to have in the car when I left town.
And, unlike an LS, that SC convertible had a pretty small trunk.
Old 08-24-20, 06:30 PM
  #18  
faifai83
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Originally Posted by tfischer
When a runflat goes bad, it usually can't be fixed; it must be replaced, and one of the problems in the early days of runflats, when I had them on my SC430, was that runflats were rare and not kept on hand at most places. A problem on the road, especially away from an urban center and especially on a weekend meant a very long delay to get a new tire for the car. I don't know how things are now in that regard, but I felt better when I got standard tires on the car; I added a spare to have in the car when I left town.
And, unlike an LS, that SC convertible had a pretty small trunk.
https://www.tirerack.com/tires/tiret...jsp?techid=226

Runflats are now able to be repaired.

There are tons of used runflat tires for sale on eBay for $50 each!
Old 08-26-20, 09:07 PM
  #19  
kimjin19
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I have replaced the OME Bridgestone tires as Michelin pilot sport 4s. Hugely improved the comfort and road noise. I would say, to replace these run-flat tires are a must-do step once one chooses the LS500 cuz its suspensions and handling are really outsanding.
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Old 08-27-20, 07:05 AM
  #20  
tfischer
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KIM is correct. About 18 years ago, I replaced the runflats on my SC430 with Michelin Pilot Sports, as did many other SC owners. The difference is dramatic and noticeable and quite an improvement.
I don't know if today's runflats are improved over the ones provided back then, but clearly this is still a highly recommended move.
(PS: it's "OEM" not OME: "Original Equipment Manufacturer.")
Old 08-31-20, 05:50 AM
  #21  
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I replaced my run flats with some Yokohama's. The run flats were horrible. I have hearing aides and it sounded as if I was driving a front loader the whole time, regardless of road type. As soon as I drove off with the new tires, it was as if someone put Bose quiet comfort headphones on my ears. There was very little road noise; the cabin was actually enjoyable to be in. I could hear people in the rear talking clearly without them having to lean forward or me asking them to repeat, whereas I could not before. The speaker sound actually could be lowered, incredibly by a substantial amount because of the reduced road noise. I'm satisfied. If I can't ride in the cabin of the vehicle of the Tow driver then that's just the way it is, cross that bridge when it happens. Also considering I was able to buy 4 new tires, for the price of 2 run flats, I'd say I've got a good savings for an Uber if needed.
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Old 08-31-20, 02:13 PM
  #22  
wasjr
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I am also on the MB forum with the 15 S550 I bought used 18 mos ago. General consensus is: Harsher ride on run flats due to stiffer sidewalls; Better ride on smaller wheels (one member who has had several MBs only gets 18" rims); Today's run flats are better than older versions; Much griping re no spare tire. I have 20" wheels/staggered sizes and strongly considering non run flats when I need new tires. In my case with the 20" wheels, tires are summer tires as they apparently don't make all season run flats in my rear tire size of 275/35/R20.
Old 11-28-20, 07:18 AM
  #23  
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Replaced run-flat Bridgestone to Michelin PRIMACY TOUR A/S -what a difference! Feel sorry for those who continue driving run-flat and missing the luxury ride
Old 11-29-20, 08:32 AM
  #24  
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This is a worthwhile thread! Thank you for starting and all the inputs. Run flat tires have been awful in my experience. Two tires with under 1,000 miles picked up a nail in the tread not the sidewall and had to be junked at ~$400/apiece, dealers indicated plug/patch not an option. And I agree with all, ride is awful, banged and thumped on irregular pavement. Avoid!
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Old 02-05-21, 10:27 AM
  #25  
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Old 02-05-21, 09:10 PM
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faifai83
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Originally Posted by Mitleider
This is a worthwhile thread! Thank you for starting and all the inputs. Run flat tires have been awful in my experience. Two tires with under 1,000 miles picked up a nail in the tread not the sidewall and had to be junked at ~$400/apiece, dealers indicated plug/patch not an option. And I agree with all, ride is awful, banged and thumped on irregular pavement. Avoid!
Just buy a used one from eBay for $50!
Old 03-12-21, 02:26 PM
  #27  
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I swapped out the run flats on my SC430 and it made a huge difference in the ride!
Old 03-14-21, 10:51 AM
  #28  
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Default F-sport vs non f-sport with air suspension

Im guessing the air suspension feels very different than fsport models. I have not driven a non f-sport with air, so maybe just changing a tire might be barely noticeable
Old 03-28-21, 04:11 PM
  #29  
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Have an LS460 with air suspension and I swapped out the Bridgestone DriveGuard RFT's for Pirelli Cinturato P7 and it was a night and day difference in ride quality and plushness.
Old 05-04-21, 07:21 PM
  #30  
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Originally Posted by LILEVO
Have an LS460 with air suspension and I swapped out the Bridgestone DriveGuard RFT's for Pirelli Cinturato P7 and it was a night and day difference in ride quality and plushness.
Looking at the Pirelli Cinturato P7s. How are they holding up?


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