12-03-2012, 03:18 PM | #1 |
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Is there a sling for a mini spare?
I'm thinking I would prefer real tires instead of Run Flats. Is there at least a sling for a mini spare or must it go inside?
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12-05-2012, 08:36 PM | #3 |
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Given some of the horror stories about having to wait a couple days for a tire, I think I'll buy one, wrap it in plastic and throw it in the boot on long trips. At least any place I can drive to need only be able to mount an RFT.
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12-05-2012, 09:05 PM | #5 |
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I gave your idea some thought for a 2500 mile roadtrip that I did through the Canadian maritime provinces this summer. I eventually decided that the risk was low, and that I would rather have the luggage and cooler space than a spare tire.
Crossing New Brunswick, with the only BMW dealer in the province about 80 miles behind me, and the only BMW dealer in Nova Scotia about 80 miles ahead of me, I ran over some unavoidable metal road debris. I had a nervous few hours, waiting to see if the TPMS would trip, but the tire wasn't damaged, and I'm still driving on it. For me, Plan A was to trust the tires. If I didn't trust them then why hadn't I already replaced them? Plan B was to use the Google to find the closest Canadian Tire dealer, and just buy a pair of whatever they had. Plan B wasn't needed. In a real emergency, Plan C is a plug kit, which I know how to use, and a small compressor. Some prefer a can of Slime, but I expect that you might need to replace the TPMS on that wheel afterwards. Last edited by 02420X3; 12-05-2012 at 09:20 PM.. |
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12-06-2012, 04:51 AM | #6 |
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I think having an unmounted spare is a reasonable measure and wish that the car design accommodated a tire mounted underneath. This is a luxury car and it's reasonable we pay for the expensive tire but not the expensive 2-day stay in a hotel waiting for a tire delivery. As for the kit, I want to drive the car not be it's mechanic. That was for when I was in High School. Again, if there were a sling or something, I could bring the bad tire home and fix it in the "comfort" of my garage instead of the side of the road.
Come to think of it, an unmounted repaired RFT might serve nicely (and be more green) for this "travel spare" approach. |
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12-06-2012, 08:41 AM | #7 |
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This isn't about a BMW decision to reduce cost in a luxury car because any cost saving in omitting a spare of any type along with the jack and wrench is more than compensated by the extra cost of RFT and sensors. Every design engineering compromise in new cars must deal with the problem of meeting the relentless pressure of emissions and mpg requirements imposed by governments. Among the performance and brand preserving design engineering compromises that buyers don't like is weight reduction through spare wheel omission. While others have asserted that the weight saved by omitting a spare has been restored in the extra weight of four RFTs over non-RFTs, careful calculation does show a net reduction. However much we buyers may dislike RFT, ASS, and other emissions and mpg compromise technologies, we have to learn to live with them as the inevitable consequences of performance car manufacturers' need to meet the governmental requirements.
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12-06-2012, 09:56 AM | #8 |
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I didn't say it was. I'm suggesting a design change that accommodates those that want and need to ensure safe travel. Having a sling that protects an unmounted spare solves the problem in the context of BMWs RFT philosophy. I'll gladly pay for the spare RFT.
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12-06-2012, 04:25 PM | #9 |
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If I had the option of a space saver spare then I would have ticked the option. I'm sure it could fit in the under floor space. I don't use this space because I have a trunk liner, so it's dead space for me.
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12-08-2012, 01:48 AM | #12 | |
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Mechanic or not, if you're planning on carrying a spare tire/wheel then you should also consider carrying one or more jack-point inserts and perhaps wheel hangers. Jack-point inserts and wheel hangers are available from Reverse Logic. |
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12-08-2012, 05:43 AM | #13 | |
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Quote:
And I don't understand why you want a space saver spare (mini spare), you can do exactly the same thing with a run flat tire. Roll on it to reach the next gas station. RFT tire is designed to not need spare tire and give us the trouble to change it if there is a puncture. That's two big trip (over 2000 miles each) I do, where the nearest BMW dealer is over 500 miles and no problem. No punctures either. I see that there are people who are very insecure |
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12-08-2012, 07:11 AM | #14 |
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To me, the RFT solution is an outstanding one for those of us in proximity of significant populations. If you're really out there in some parts of Australia, Africa, Central Asia, or the like, it seems to me the ability to carry a real spare (even an RFT spare) may become very significant and a different vehicle might be a better choice.
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12-08-2012, 09:48 AM | #15 |
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Run-flats also don't help if you blow out a sidewall, something which has happened to me. Given the state of the roads in NJ, where I live, that's becoming a more common occurrence.
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12-08-2012, 09:55 AM | #16 |
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The concept of the RFT is excellent, If you are unfortunate enough to suffer a puncture you just drive on until you get to a repair garage. The memories of having to stop wherever you get a puncture and having to change a wheel is not something I cherish. My wife would'nt know where to start changing a puctured wheel with the spare. Then there are the safety implications of anyone changing a wheel at the side of the road, it's just not safe.
The somewhat harsher ride and the slightly more expensive cost of these tyres is for me at least a small price to pay for an otherwise positive innovation. |
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12-08-2012, 10:00 AM | #17 |
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The real issue isn't run-flats vs standard tires but spare tire, or no spare tire. Or at least space for one.
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12-08-2012, 10:25 AM | #18 | |
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If you are close to home and have another car to drive, not so bad. If you are on a trip far from home, you will need to spend three days in a local motel or rent a car. If the above scenario occurs and you have a space saver spare, you can change the tire and drive up to 500 miles on it. This is much less of a hassle. Lou |
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12-08-2012, 10:26 AM | #19 |
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I dont understand, why would you require a spare tyre when you have a run flat? The only answer I can think of is if you wreck the sidewall and I would hope this would not be particularly easy to do. If this happens to me I will simply call for breakdown assistance, as would be the case if my wife suffered a puncture if I carried a spare.
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12-08-2012, 12:08 PM | #20 |
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Voerman and mspringer gave great answers to this. RFTs don't roll forever. The issue is not changing a flat by the road or not. The issue is what happens after you drive to a tire shop and because RFTs are expensive and not readily in-stock, what do you do? If you have a spare RFT, you pay the shop to mount it and you continue. If you have a mini spare, ditto. If you have neither, you wait hours/days for one to be shipped. Having a place for an unmounted 5th RFT would be a nice accessory and design hit need only be what it takes to accommodate the accessory for those who need/want it.
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12-08-2012, 01:00 PM | #21 |
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And do you hang as spare parts for the engine, it can also break and dealers may be far away. And if you have an accident, you also have spare parts? It may also happen.
Seriously, it's been almost 30 years since I've done a puncture. Yes it can happen just like a broken engine or an accident. Statistically, there are more accidents than punctures or blow out a sidewall (unless your tires are finished, which can also cause an accident). If you're scared, you stay home. And be careful with the small spare tires, they are less high than the regular tires and you may burn a differential. |
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12-08-2012, 01:07 PM | #22 |
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Some might have done better to buy a Toyota Rav4, they have impeccable reliability, these dealers everywhere and full-size spare tire
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