06-02-2020, 12:09 PM | #23 | ||
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I may just get AAA but I think I'm buying tire repair/patch kit as well. I think I'll be making the switch to non run flat tires as well, when the time comes. Also do you have a link or info for the space saver spare that BMW sells?
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06-02-2020, 12:40 PM | #24 | |
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06-02-2020, 01:07 PM | #25 | ||
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06-02-2020, 01:48 PM | #26 | |
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M cars come with an electric pump and tire sealant. It works well for punctures but not tire cuts. |
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06-02-2020, 02:33 PM | #27 |
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06-02-2020, 02:39 PM | #28 | ||
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06-02-2020, 09:20 PM | #30 | ||
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On the bolded part, it's not 100% false! The key word in that bolded statement is "the car" (i.e., not the tire). While runflats are heavier than it's non-RFT counterpart, overall car weight is reduced because no need for spare tire (with rim), car-jack and other tools needed to change a tire. That said, the weight savings is relatively small and the main reason manufacturers may go with RFT's is cost savings. |
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06-02-2020, 10:10 PM | #31 | |
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06-02-2020, 11:37 PM | #32 | |
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You mentioned that you are in upstate NY, have an xDrive, 19" wheels and are planning to get all season tires. Is this a daily driver that you use in winter? Wouldn't you be planning on snow tires where you live? If you plan on snow tires then that means that you can get a fun set of summer tires for the rest of the year. What year/model do you have that you have a square set of 19" wheels? You don't need to spend money on expensive BMW flat solutions. The 8-min Slime compressor kit is perfect. Slime wipes right out and doesn't ruin TPMS sensors. Also attached is a photo of a jack that works perfectly. I also keep a breaker bar with 17mm impact socket in the car. I carry a full sized spare on trips in a tire bag so I can cleanly put it in the back seat of necessary. A donut spare only provides limited miles which means a disrupted trip trying to get a new tire or get a tire repaired. A donut takes up the same trunk floor space. You just save 3"-4" on top of it versus a full sized spare. I bought a matching used stock wheel online for $100 and an old runflat can even be used as a spare if it has the same diameter- or buy a 5th tire with a new set. Don't forget that buying new tires is an opportunity to also upgrade your tire size. My stock runflat tires were 225/45-18. I upgraded them to the best handling 18" size, 245/40-18. If I wanted more emphasis on comfort I could have chosen 245/45-18. They are corresponding improvements to be had in 19" sizes. I believe that I was considering 255/35-19 at one point as the best handling 19" option. My summer tires are Michelin Pilot Sport 4S. Just phenomenal. So glad that I went for the best! For winter I got Michelin X-ICE Xi3. Just amazing driving on ice like it is dry. If I lived in a heavy snow area I may have considered Blizzak WS90's. They are noisier but supposed to be the best in heavy snow. If I was going all season I'd probably look at Michelin PS A/S 3+. It just happens that when I did separate research in all three categories Michelin was at or near the top. Hope this helps! |
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06-03-2020, 08:20 AM | #33 | ||
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What significant handling differences would it offer me to go from 225/40 R19 that I have now? I have looked at those Michelin tires you mentioned. I do like the Goodyear Eagle Exhilarates also. With the 428i Gran Coupe I have a good amount of room in the back for the spare. I already have a generator/compressor and a four way lug wrench I've always had.
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06-03-2020, 10:32 AM | #34 | |||
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06-03-2020, 03:31 PM | #35 | |
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https://f30.bimmerpost.com/forums/sh...=max+tire+size |
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06-03-2020, 05:47 PM | #36 | ||
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There are 19" staggered options. My preference is a square setup with xDrive. No transfer case worries and can easily rotate tires front to back. I'd do a square 255/35-19 with Michelin PS4S tires. |
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06-03-2020, 07:29 PM | #37 |
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Are we sure this jack will work with my F36 4 series? Because this Jack is only $23.99, much cheaper than the at least $175.00 I'm finding online. Plus there's a Harbor Freight right near my house.
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06-03-2020, 08:30 PM | #38 | |
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It's a great jack and works perfectly for its intended purpose. |
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06-03-2020, 08:46 PM | #39 | ||
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06-03-2020, 09:54 PM | #40 | |||
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06-04-2020, 12:00 AM | #41 | ||||
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06-10-2020, 06:52 PM | #42 |
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I'll admit, I don't like the harsh ride I get, but I like the piece of mind. These are my first run flats, and also the first car I've had without a spare.
I got a flat a few years ago, darn spare was flat too (got that fixed). It was raining, and the middle of the night. Called AAA and asked if I could get help and open a new account with them. They said sure, glad to have a new customer, it will be at least 4 hours before we can get to you. Got lucky and a cop came and called a tow truck. They filled the spare and off I went. I have a 440 convertible, and I use my trunk. I can't iamagine storing anything else in there, a spare is out of the question. The run flats aren't ideal, but they are serving their purpose for me. |
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06-10-2020, 09:57 PM | #43 | |
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So I bought a jack, tire repair kit and renewed my BMW ConnectedDrive membership. So I have the piece of mind of having that available if needed. I'm going to buy the spare as I have a little more storage space in the back of the 428i Gran Coupe.
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06-22-2020, 12:25 PM | #44 | ||
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