F30POST
F30POST
2012-2015 BMW 3-Series and 4-Series Forum
BMW Garage BMW Meets Register Today's Posts
BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > So you want to stay with run flats?
ARMA SPEED
Post Reply
 
Thread Tools Search this Thread
      12-09-2017, 05:49 PM   #1
Gearhog
Private First Class
Gearhog's Avatar
United_States
63
Rep
140
Posts

Drives: 2019 440i GC
Join Date: Oct 2016
Location: DFW

iTrader: (0)

So you want to stay with run flats?

My car came with the Pirelli P7 run flats. These tires were horrible. On any fast tight turn the sidewalls felt like they were collapsing and they had the worst wet traction of any tire I have ever used. I decided I could not drive on these and started looking for new tires. On my last 3 cars (Porsche and BMW) I ran MPSS so I was used to excellent performance. The issue was that this was my daily driver with no spare and I put a lot of miles on it. Due to this I was still considering run flats again but if they were anything like the P7's I was going back to non run flats. I talked to the tech at the tire store and he said hands down the best run flat was the Michelin Pilot Sport AS 3+ 245/40 ZR18. After much discussion I decided to give them a try. Right after I put them on I felt a HUGE difference. Excellent dry and wet adhesion, low road noise and very good performance like I was used to. I am not saying they are as good as the Super Sports but they are very good for a run flat. I now have 9000 miles on them and have been impressed. Plus they are a good looking tire and don't really look like an all season, not to mention they have a 30,000 mile warranty to boot. If you need to go with run flats I would recommend them.
Appreciate 3
kern4174449.50
Soul_Glo13347.00
      12-09-2017, 06:11 PM   #2
X2 Monstah
Captain
X2 Monstah's Avatar
United_States
301
Rep
718
Posts

Drives: 2018 X2 XDrive 28i M Sport
Join Date: Oct 2013
Location: Fairfax, VA

iTrader: (1)

Thanks. I absolutely hate the Continental runflats on my F30. Sounds and feels like I'm driving a Jeep Rubicon.
__________________
Mine: 2019 Mini Cooper S / Moonwalk Grey / Black Interior
Wife's: 2018 X2 XDrive 28i / MSport X / Mediterrean Blue / Mocha Dakota Leather
Previous: 2008 E92; 2014 F30; 2016 F30 M Sport; 2011 E82 (Man I miss the 1er!)
Appreciate 2
ErkanTR16598.00
zamboni1130.50
      12-09-2017, 06:15 PM   #3
bavarianride
Major General
1509
Rep
5,089
Posts

Drives: bimmer
Join Date: Feb 2013
Location: northern california

iTrader: (0)

Quote:
Originally Posted by Gearhog View Post
I talked to the tech at the tire store and he said hands down the best run flat was the Michelin Pilot Sport AS 3+ 245/40 ZR18.
Does PS AS 3+ has runflat size that fits F30? Tirerack does not seem to list that option ....
Appreciate 0
      12-09-2017, 06:19 PM   #4
FutureHendr1x
Private First Class
35
Rep
164
Posts

Drives: F30 335 Msport
Join Date: Jun 2017
Location: Socal 818

iTrader: (0)

the run flat tires makes the car seem like driving on rails
Appreciate 0
      12-09-2017, 06:28 PM   #5
Gearhog
Private First Class
Gearhog's Avatar
United_States
63
Rep
140
Posts

Drives: 2019 440i GC
Join Date: Oct 2016
Location: DFW

iTrader: (0)

Quote:
Originally Posted by bavarianride View Post
Does PS AS 3+ has runflat size that fits F30? Tirerack does not seem to list that option ....
I am not sure but they also make a non run flat in this same series so make sure you are looking at the RF if that's what you want. On my 435 it was listed as an "optional" size. Wider than the standard.
Appreciate 0
      12-09-2017, 07:30 PM   #6
captainaudio
World's Foremost Authority
captainaudio's Avatar
United_States
1181
Rep
4,535
Posts

Drives: M4 Cab - Cayenne GTS - Jag XK
Join Date: Jul 2007
Location: Upper East Side Manhattan - Boca Raton FL - Lime Rock CT

iTrader: (0)

Quote:
Originally Posted by FutureHendr1x View Post
the run flat tires makes the car seem like driving on rails
The RFTs may make the car "feel" like it is driving on rails but in reality an overly stiff sidewall will result in reduced grip and cornering as a tire needs enough compliance to reach an ideal slip angle to get maximum grip. Due to the less than optimum slip angle RFTs may break loose at the limits with very little warning.


__________________

Drivers Club at Lime Rock - International Motorsports Research Center - Society of Automotive Historians - Madison Avenue Sports Car Driving and Chowder Society (0nly a VP) - BMWCCA - Porsche Club of America - M Gruppe - Polish Race Drivers of America (PDRA) - Glen Club (Watkins Glen International) - Jaguar Club of Southern New England

Last edited by captainaudio; 12-09-2017 at 07:44 PM..
Appreciate 1
eluded3043.00
      12-09-2017, 08:54 PM   #7
XxThe_RemedyXx
Colonel
XxThe_RemedyXx's Avatar
967
Rep
2,654
Posts

Drives: 2016 340i xDrive
Join Date: Aug 2009
Location: Westchester, NY

iTrader: (0)

First thing I did was swap mine to DWS06's. Best decision I've made so far.
__________________
2016 340i xDrive - BM3 Stage 2 93 OTS - xHP Transmission Tune Stage 2 - B58TU HPFP - Bilstein B14 - VRSF Catless DP - Kyostar CAI
Appreciate 3
ali820271.50
Seba77W401.00
      12-09-2017, 09:00 PM   #8
Gen13 F36
Brigadier General
Gen13 F36's Avatar
United_States
1599
Rep
3,748
Posts

Drives: 428i Gran Coupe
Join Date: Nov 2017
Location: Los Angeles, CA

iTrader: (1)

I'm on the same delema ....I'm on that time to be replacing my tires. Still debating to stay RFT or go non Run flat and bring a flat repair and compressor with me. Ill check this tire out.
Appreciate 0
      12-09-2017, 11:28 PM   #9
kern417
Cheapskate
4450
Rep
4,993
Posts

Drives: 2018 440i |2016 340i | 2010 X5
Join Date: Aug 2016
Location: Cincinnati

iTrader: (1)

I like the idea of the AS3 because it's an all-season tire with close to summer tire performance. Add in RFT technology and you get a good combo of features for daily driveability. I do know they aren't great in snow, but i don't plan on driving my car in the snow anyway. It would just be nice to know I can drive it on cold dry days.
__________________
Quote:
Originally Posted by umizoomi View Post
As long as 3-pedals are an option, I will exercise my right to suffer the handicap and indignity of slower shifts and reaction times.
Youtube/Instagram/TikTok: @kern417
Appreciate 0
      12-10-2017, 03:00 AM   #10
chuckles01
First Lieutenant
United_States
189
Rep
376
Posts

Drives: 2014 328i Sport, 6M
Join Date: Jun 2013
Location: CA

iTrader: (0)

Quote:
Originally Posted by bavarianride View Post
Quote:
Originally Posted by Gearhog View Post
I talked to the tech at the tire store and he said hands down the best run flat was the Michelin Pilot Sport AS 3+ 245/40 ZR18.
Does PS AS 3+ has runflat size that fits F30? Tirerack does not seem to list that option ....
I'm not sure about which tire option you have but I have a '14 328 with the sport line rims, squared 225/45 18 setup. The Pilot Sport A/S 3+ run flats didn't come on that OEM size, so I had to search using a custom size of 245/40 18. I've had these tires on for about 6 months now and really like them, much more than the Pirelli Cinturatos that came with the car.
__________________
--------
2014 BMW 328i, 6-speed
Prem / Nav / Drivers Assist / Heated Seats / Lighting
Appreciate 0
      12-10-2017, 03:15 AM   #11
bavarianride
Major General
1509
Rep
5,089
Posts

Drives: bimmer
Join Date: Feb 2013
Location: northern california

iTrader: (0)

Quote:
Originally Posted by chuckles01 View Post
I'm not sure about which tire option you have but I have a '14 328 with the sport line rims, squared 225/45 18 setup. The Pilot Sport A/S 3+ run flats didn't come on that OEM size, so I had to search using a custom size of 245/40 18. I've had these tires on for about 6 months now and really like them, much more than the Pirelli Cinturatos that came with the car.
Got it, so it is not OEM size. The AS 3+ ZP really has very limited sizes.

How does 225/40R18 fit on the OEM rims?
Appreciate 0
      12-10-2017, 05:38 AM   #12
B58 parts
Captain
B58 parts's Avatar
United_States
477
Rep
797
Posts

Drives: '17 340ix 6MT
Join Date: Nov 2017
Location: US

iTrader: (0)

Yes, those cintauro p7s are a complete abomination. Easily the worst tires in the world. And the price....

225/40/18 is .9" shorter than 225/45/18 https://tiresize.com/calculator/
Appreciate 0
      12-10-2017, 08:18 AM   #13
otay
Major
otay's Avatar
United_States
826
Rep
1,342
Posts

Drives: 2015 335i
Join Date: Aug 2014
Location: Raleigh, NC

iTrader: (0)

Huh, I have Pilot AS3+ non run flat and like them a lot. Didn't know they also came in run flat.

Wonder how they compare...
Appreciate 0
      12-10-2017, 09:36 AM   #14
Billfitz
Lieutenant General
Billfitz's Avatar
United_States
8245
Rep
16,085
Posts

Drives: '15 328iX GT
Join Date: Jan 2015
Location: New Hampshire

iTrader: (0)

Quote:
Originally Posted by Gen13 F36 View Post
debating to stay RFT or go non Run flat and bring a flat repair and compressor with me.
I have RFT and still carry a flat repair kit and compressor. That way I can fix a puncture before the sidewall is irreparably damaged. On trips away from home I carry a compact spare too, so worst case I don't have to get a flatbed ride and spend a day or two trying to get a replacement tire. Chances are I'll never have need for any of that, but I'd rather have them and not need them than the other way around. I'm undecided on what to do when it comes time to get new tires, but TBH the Conti RFT don't feel or sound any worse on my 328 than Michelin MXM4 did on my 07 Altima.
Appreciate 0
      12-10-2017, 11:04 AM   #15
Seba77W
Lieutenant
Seba77W's Avatar
401
Rep
547
Posts

Drives: BMW 435i Xdrive Coupe
Join Date: Mar 2017
Location: Chicago IL

iTrader: (0)

Quote:
Originally Posted by XxThe_RemedyXx View Post
First thing I did was swap mine to DWS06's. Best decision I've made so far.
Did exactly the same thing...
Appreciate 0
      12-10-2017, 11:51 AM   #16
Avanti84
New Member
1
Rep
5
Posts

Drives: 2014 328i x-drive wagon
Join Date: Nov 2015
Location: Chicago - NW suburbs

iTrader: (0)

With 35k on my P7s I switched to Bridgestone DriveGuard RFTs on my F31. Definitely not as harsh of a ride as the P7's. Happy so far. Waiting to see how they do in the snow...
Appreciate 0
      12-10-2017, 01:09 PM   #17
chicagoshark
Captain
chicagoshark's Avatar
United_States
309
Rep
641
Posts

Drives: 2018 M3
Join Date: May 2016
Location: chicago

iTrader: (0)

Quote:
Originally Posted by Seba77W View Post
Quote:
Originally Posted by XxThe_RemedyXx View Post
First thing I did was swap mine to DWS06's. Best decision I've made so far.
Did exactly the same thing...
Quote:
Originally Posted by YuminNuman View Post
Yes, those cintauro p7s are a complete abomination. Easily the worst tires in the world. And the price....

225/40/18 is .9" shorter than 225/45/18 https://tiresize.com/calculator/
Me 3. Went dws06 for the winter... will split little more than 1/2 the year with these and the other half with summer. Basically may through September on summers
Appreciate 0
      12-10-2017, 01:45 PM   #18
BEAR-AvHistory
2020 Z4 M40i - 2022 M4C Convt
BEAR-AvHistory's Avatar
United_States
3129
Rep
5,264
Posts

Drives: 2020 Z4 M40i - 2022 M4C Convrt
Join Date: Jun 2011
Location: Raleigh, NC - OIB, NC

iTrader: (0)

Garage List
Kept the RFT on my last two cars. Each set has been an all round improvement over the prior versions. Up till the 435 the first thing I did after break-in was put get flats on the car. Here summer tire are used all year round so there is no need for an annual tire swap.

For what its worth all the BMW drivers school cars run Continual Tires. Dummy forgot to check what model they were DUH. My co-drive & I had to get front tires replaced halfway through the afternoon session. We were both pushing for best times of the day on the timed events.

I used the Conti DW's as my non-RFT replacement tire back before I started to keep the RFT..
__________________
Kevin
Dravit Gray, Black Leather, Moonlight Roof, Red Calipers

2022 M4C - 2020 Z4 M40i - 2023 FORD Expedition XLT Max 4X4 400BHP - 2009 V-Star - 1998 Ranger 4X4 5MT - 1965 Cobra (R) 5MT - 2023 Jeep Wrangler Sport S 6MT
Appreciate 0
      12-10-2017, 02:46 PM   #19
TumblingPanda
Enlisted Member
7
Rep
32
Posts

Drives: F30 335i
Join Date: Dec 2017
Location: Mountain View

iTrader: (0)

My 2013 F30 335i came with Pirelli P7 run flats and I hated those tires. I ended up replacing them with Michelin PSS (non-run flats) and saw a huge difference. I ended up carrying a BMW tire inflation pump with sealant (like they provide with the M cars) so that I did not have to worry about having flats. Subsequently I used Bridgestone RE-71 R and am currently using BFG Sport Comp 2 and they turned out to be great. Though the RE-71 R performed very well, they only lasted less than 5K miles for me (due to aggressive front camber and the tires being directional). The BFG Sport Comp 2 costed less then MPSS (I think they still do) and I've seen no difference on the street. If I were to buy a new set today, I'd pick BFG Sport Comp 2.

That was my $0.02
Appreciate 1
jeffc83725.00
      12-11-2017, 12:46 PM   #20
jeffc83
Lieutenant Colonel
725
Rep
1,615
Posts

Drives: 2015 328i XDrive Luxury Line
Join Date: Nov 2016
Location: Philly Burbs, PA

iTrader: (0)

I've remained silent long enough...yes, the RFT helped me "make an appointment on time once" after getting two flats but also damn near killed me on at LEAST four occasions now. Who the hell cares if I'm late for an appointment as I'd much rather make it there alive! How in the hell can these Pirelli P7 RFT be approved for any sort of road use? (honest question based on emergency maneuvering) They have NO WET traction and dry is so shitty, it hops the curves when there is any imperfection in the road. So, what am I to do if there TRULY is an evasive maneuver? Pray I suppose lol.

I will be swapping these deathtraps out with Michelin PSS's ASAP before this car ends up totaled. I've never been in so much "fear" when trying to have fun yet when there is room, I'll toss this car into a slide much easier due to the shitty traction so I suppose they do have their benefits
__________________
Originally Posted by jmg

That seat was meant to be used, are you going to deny it's purpose in life?
Appreciate 0
      12-11-2017, 12:48 PM   #21
jeffc83
Lieutenant Colonel
725
Rep
1,615
Posts

Drives: 2015 328i XDrive Luxury Line
Join Date: Nov 2016
Location: Philly Burbs, PA

iTrader: (0)

Quote:
Originally Posted by TumblingPanda View Post
My 2013 F30 335i came with Pirelli P7 run flats and I hated those tires. I ended up replacing them with Michelin PSS (non-run flats) and saw a huge difference. I ended up carrying a BMW tire inflation pump with sealant (like they provide with the M cars) so that I did not have to worry about having flats. Subsequently I used Bridgestone RE-71 R and am currently using BFG Sport Comp 2 and they turned out to be great. Though the RE-71 R performed very well, they only lasted less than 5K miles for me (due to aggressive front camber and the tires being directional). The BFG Sport Comp 2 costed less then MPSS (I think they still do) and I've seen no difference on the street. If I were to buy a new set today, I'd pick BFG Sport Comp 2.

That was my $0.02
Thanks; reconsidering my "plan of attack" now with these new tires...very helpful!
__________________
Originally Posted by jmg

That seat was meant to be used, are you going to deny it's purpose in life?
Appreciate 0
      12-11-2017, 12:52 PM   #22
B58 parts
Captain
B58 parts's Avatar
United_States
477
Rep
797
Posts

Drives: '17 340ix 6MT
Join Date: Nov 2017
Location: US

iTrader: (0)

The best part is when you go to the dealer and they bitch at you for changing the tires.

"that car was designed for.."


Last edited by B58 parts; 12-11-2017 at 12:59 PM..
Appreciate 3
jeffc83725.00
TBN54426.50
Soul_Glo13347.00
Post Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 03:43 PM.




f30post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST