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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > From RUNflat to NON runflat? who's done this and is it worth the trouble?



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Wheel offset calculator courtesy of BimmerPost.com. You may use this calculator to calculate what tire sizes you might need if you upgrade your tires, or what wheel sizes/offsets are compatible with your car.
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         New Wheel Width  inches                  New Wheel Offset  mm.
 
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      09-28-2010, 05:39 PM   #111
Psukhe
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From reading here and elsewhere the new Slime kits are supposed to be OK with TPMS.
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      09-28-2010, 05:43 PM   #112
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RFTs are dumb imo
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      09-28-2010, 08:14 PM   #113
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Quote:
Originally Posted by cb1111 View Post
Just some things to consider:

Our car's suspension system was designed for runflat tires. Accordingly, switching to non-runflats may cause warranty issues.

If your car is leased, you will need to have runflats on your car at lease turn in.
Two words.....Bull...Loney.

No one can tell you what kind of tires to put on your car...and no chance it will void your warranty.
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      09-28-2010, 08:25 PM   #114
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Quote:
Originally Posted by Rolf-Dieter View Post
you have a winter set as well?
yes
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      09-29-2010, 02:06 AM   #115
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Quote:
Originally Posted by guribeng1 View Post
I have sport package wheels and changed from runflat to non runflat (michelin ultra performance) It cost me $1200 feels much better but don't forget to take FIXAFLAT(tire inflator) with you
any pic?
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      09-29-2010, 09:26 AM   #116
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well worth it

I personally spent $50 bucks. Sold my used run-flats (lots of guy need them for lease returns) and bought V12s for $550 shipped + $150 mount and balance. Total came out to $50 bucks out of my pocket

For winter have run-flat setup, probably not as harsh on 17s
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      06-26-2011, 05:52 PM   #117
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Bringing this thread back to life...my 06 325i still has it's original RFTs (current mileage is +45,000) on the OEM 16 " wheels...tires a pretty shot so a few questions:

1) can I put non-RFT tires on these OEM wheels? (Stupid question I'm sure but I really don't know)
2) I'd like to move into 17's but last time I did that (see attached pics) the car didn't feel as peppy versus the 16's. Will non-RFT 17's on non-OEM 17's keep me "OEM" as far as acceleration and whatnot?

Also what's a good all-around/all weather tire you guys recommend? I'm in Norcal where rain is the only thing we need to worry about regarding the road...

THANKS!!
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      06-27-2011, 10:38 AM   #118
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Quote:
Originally Posted by azzurribaggio View Post
Bringing this thread back to life...my 06 325i still has it's original RFTs (current mileage is +45,000) on the OEM 16 " wheels...tires a pretty shot so a few questions:

1) can I put non-RFT tires on these OEM wheels? (Stupid question I'm sure but I really don't know)
2) I'd like to move into 17's but last time I did that (see attached pics) the car didn't feel as peppy versus the 16's. Will non-RFT 17's on non-OEM 17's keep me "OEM" as far as acceleration and whatnot?

Also what's a good all-around/all weather tire you guys recommend? I'm in Norcal where rain is the only thing we need to worry about regarding the road...

THANKS!!
Going to a bigger wheel usually means more weight = slower. There should be no problems switching those wheels to non-RFT. I put Michelin Pilot Exalto A/S on my 06 325i and have been very happy.
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      06-27-2011, 01:58 PM   #119
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No dealership will do it for me, or they say there are no "NON RFT" tires available for my configuration. Working on an aftermarket alternative.
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      06-27-2011, 02:29 PM   #120
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1. Many folks have mounted non RFTs on OEM BMW wheels with no problems.
2. As BMW takes the position that the car is designed for RFTs, I doubt you will find a dealer who will sell and/or mount them.
3. For an excellent A/S non RFT, I'd recommend the Conti DWS, which is also an excellent value. Check Tire rack or local tire shops, not a BMW dealer.
4. For the '06 325i, a 225/45R17 tire will be similar in overall diameter to the stock 205/55R16 and should therefor perform about the same. But I don't see where the cost of the 17" wheels would be worth the switch.

http://www.tirerack.com/tires/tires....autoModel=325i Sedan&autoModClar=Base Model

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      06-29-2011, 09:24 AM   #121
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Doesn't that pic above show style 162, 18" wheels?
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      06-29-2011, 11:36 AM   #122
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07 335i

Sorry, I'm new and will probably be asking a lot of stupid questions.

we have an 07 335i and i was wondering 1) if I can replace the runflats with non runflats without any modification? 2) If so, can these be done at any tire shop or do you have to have some sort of mythical Luftwaffer machine made from unobtanium and only available at BMW dealers? and 3) Which flat repair kit should i get to avoid interference with the TPMS?

Since we have only had the car a few months, I will be asking a lot more of these type questions. Thanks in advance for your patience.

Bill
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      06-29-2011, 01:39 PM   #123
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Quote:
Originally Posted by Tom K. View Post
1. Many folks have mounted non RFTs on OEM BMW wheels with no problems.
2. As BMW takes the position that the car is designed for RFTs, I doubt you will find a dealer who will sell and/or mount them.
3. For an excellent A/S non RFT, I'd recommend the Conti DWS, which is also an excellent value. Check Tire rack or local tire shops, not a BMW dealer.
4. For the '06 325i, a 225/45R17 tire will be similar in overall diameter to the stock 205/55R16 and should therefor perform about the same. But I don't see where the cost of the 17" wheels would be worth the switch.

http://www.tirerack.com/tires/tires....autoModel=325i Sedan&autoModClar=Base Model

Tom
Thanks for the info...for me I don't like the 156's but I think going to the 18 162 which I had on before affected the acceleration, so these 161 17" wheel fit the look I want and should probably keep me close to the stock performance I had with the 16's?
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      08-06-2011, 12:58 PM   #124
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Help - I need a compact spare for 2007 328i

I am looking for a compact spare that will fit a 2007 328i w/Sport package, I have factory 17" wheels and the tires are staggered. I found a post that mentioned a compact spare from Tischer but it will not fit mine - do to the wheel size. Any help would be greatly appreciated. Thanks!

Last edited by billbrammer; 08-06-2011 at 12:59 PM. Reason: typo
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      08-06-2011, 01:41 PM   #125
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Quote:
Originally Posted by Bimmer Al View Post
Two words.....Bull...Loney.

No one can tell you what kind of tires to put on your car...and no chance it will void your warranty.
This is true. The BMW DEALER will not take the car back or will charge you to replace the cars tires back to OEM - or a RFT. They were going to do this to me.
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      08-06-2011, 01:43 PM   #126
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Quote:
Originally Posted by B1LL View Post
Sorry, I'm new and will probably be asking a lot of stupid questions.

we have an 07 335i and i was wondering 1) if I can replace the runflats with non runflats without any modification? 2) If so, can these be done at any tire shop or do you have to have some sort of mythical Luftwaffer machine made from unobtanium and only available at BMW dealers? and 3) Which flat repair kit should i get to avoid interference with the TPMS?

Since we have only had the car a few months, I will be asking a lot more of these type questions. Thanks in advance for your patience.

Bill
you can do this. it will ride like a hot knife through butter, but your handling will be affected. Your turn in won't be as sharp and your front end tire will roll over on hard cornering. The stiff sidewall on the RFT is designed with the soft bushings. SOme like this, others don't. I didn't. I then had to change the front end to increase camber to get the steering response I lost.

Read the posts and search. This is not just a no brainer.
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