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The Tire Rack's Tire & Wheel Forum
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Old 12-04-2012, 03:30 PM   #1
bimmernut3
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Did E46's come with run flat tires?

Guys, I'm trying to figure out if my '05 330Ci convertible with the ZHP option came with run flats or not. I don't see anything on the side walls of the Michelin 255-35 x 18 rears. It did come with a compact spare in the trunk, which would tell me that it didn't but the previous owner thought it did. let me know
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Old 12-04-2012, 03:37 PM   #2
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Not in my awareness
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Old 12-04-2012, 03:48 PM   #3
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I don't believe so.
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Old 12-04-2012, 03:49 PM   #4
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Even the M3 with its lack of a spare came with normal tires. An air compressor and sealant were supplied with these.
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Old 12-04-2012, 03:58 PM   #5
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Wheels for run-flats come with an extra lip inside, that holds the bead in place while running flat. If you're thinking about getting run-flats, check to see if your wheels can take them first.
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Old 12-04-2012, 03:59 PM   #6
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If you don't see any kind of EMT, ZP, RFT or other runflat branding, then they probably aren't runflats. Not all E46s came with runflats.
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Old 12-04-2012, 03:59 PM   #7
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Even if the car came with the "Flat Tire Monitor" option?
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Old 12-04-2012, 04:00 PM   #8
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Don't get runflats unless you have TPMS. You need that to tell you when you have a flat because with runflats it's harder to tell. They also ride like ****.

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Old 12-04-2012, 04:03 PM   #9
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The Michelin that are on the rear have the "RSC" inside a circle, which the owners manual says run flats come with this. If they are run flats on it, can I put 'standard tires' on it when these wear out?
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Old 12-04-2012, 04:28 PM   #10
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The Michelin that are on the rear have the "RSC" inside a circle, which the owners manual says run flats come with this. If they are run flats on it, can I put 'standard tires' on it when these wear out?
Many have done that before you. The drawback is the knuckleheads haven't provided for a spare in most cars that come equipped with the RF's.
So they carry a can of inflate-a-tire.
Another reason for me to want to hang onto my car with a dipstick, no RF's, non-electric PS, and no stupid TMPS.
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Old 12-04-2012, 04:56 PM   #11
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Quote:
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The Michelin that are on the rear have the "RSC" inside a circle, which the owners manual says run flats come with this. If they are run flats on it, can I put 'standard tires' on it when these wear out?
That's exactly what I did on my E60. It has a temporary spare, just like your car. And FTM (not TPMS) which works fine on both kinds of tire. I've been happy with this arrangement for the last 130,000 miles.
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Old 12-04-2012, 05:00 PM   #12
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run flats are the best thing since DSC. Haters with normal tires are just too poor to afford it like those poor ASC users.
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Old 12-04-2012, 05:45 PM   #13
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run flats are the best thing since DSC. Haters with normal tires are just too poor to afford it like those poor ASC users.
we had michelin PAX runflat tires (the same system Bugatti uses) on our odyssey and weren't too happy when it was going to cost us $2k to replace all 4 tires that were worn by 50k miles. Not to mention only certified honda dealers were able to work on them.
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Old 12-04-2012, 07:10 PM   #14
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Oh, Honda, that economical car?
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Old 12-04-2012, 07:15 PM   #15
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I remember reading somewhere that some came with RFTs later on as an option or something?
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Old 12-04-2012, 07:44 PM   #16
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Could be. Would be interesting to see a source for that.
But regardless, the e46 body would not have been retooled for this, so there would still be a deep tire well to be able to convert to storage for a spare.
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Old 12-04-2012, 07:45 PM   #17
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My 03 330xi with sport package had the optional Goodyear run-flats plus spare tire. I went thru 2 sets of Goodyear, which worked fine but are not longer available. I'm currently running Michelin Pilot Sport A/S Plus. I had some balance/pull issues with the previous set of Conti DWS.
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Old 12-04-2012, 07:56 PM   #18
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no, even the m3's with tpms didnt come with runflats but with a sealant and compressor in the trunk in place for a spare tire.
You can feel it on the steering when your have a flat tire if you have run on flat tires. It will pull to one side well i guess i had a flat on the front once and it pulled hard. Cant tell u much about a rear...
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Old 12-04-2012, 08:02 PM   #19
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no, even the m3's with tpms didnt come with runflats but with a sealant and compressor in the trunk in place for a spare tire.
You can feel it on the steering when your have a flat tire if you have run on flat tires. It will pull to one side well i guess i had a flat on the front once and it pulled hard. Cant tell u much about a rear...
I had a flat on my RFTs (no TPMS, PO decided to put them on?) and had absolutely no idea. I checked my pressure weekly and the week I went to do my oil change, the guy told me my rear tire had no pressure at all. It's almost impossible to tell.

Glad I ditched those - the ride quality is so much better without them. BMW now designs their suspension around RFTs, so that shouldn't be an issue on newer cars.
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Old 12-04-2012, 08:10 PM   #20
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BMW now designs their suspension around RFTs, so that shouldn't be an issue on newer cars.
Most of the car tests I read indicate that the professionals are not liking RF's.
BMW can design around them, but not eradicate the effect of lousy riding and handling tires.
I'll do my best to avoid them.
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