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BMW Z4 Tires and Wheels

59 messages,  Last post on Oct 01, 2009 at 12:08 PM

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#46 of 59 Re: 2007 Z4 3.0si [bevscar] by markwell Jun 18, 2008 (6:11 pm)
Replying to: bevscar (Jun 18, 2008 10:27 am) Hmm, The factory equip tires are definitely the finest for grip and are great if the garage is where you want to keep your car. Personally, I drive the puppy 11 out of 12 months a year and love it. I lost maybe 5% grippiness by going with the Yokohoma equivalents, but I have to tell you, the grip better when wet, drive in all temps, last 50,000 miles instead of 20,000 and give a smoother ride. I've never been happier.   As for the low tire pressure light. It means you have a slow leak in one tire. You need to check the tire pressure regularly to determine which tire is you culprit. Get the leak repaired. If its too slow or near the side wall for them to fix, use a can a flat fix, maybe two, follow the directions on the can. I got an extra 10K after the first 20K by employing that technique. (another reason why I went with non RFT's for my first replacement set. Non-RFT's are easier to repair and about 33-50% cheaper for the same performance specs. I've heard both sides as far as whether RFT's pick up small leaks quicker. I think the tires wear quicker and closing on 20K miles, you find small leaks crop up frequently. Don't toss your tires so quickly though, sometimes the "slow leak" can come from a dirty/faulty staitor value. Good Luck
#47 of 59 bevscar by bevscar Jul 02, 2008 (12:12 pm)
thank you also is it worth it to buy tire insurance???? Replies to this message: markwell (Jul 07, 2008 5:36 am)
#48 of 59 Re: bevscar [bevscar] by markwell Jul 07, 2008 (5:36 am)
Replying to: bevscar (Jul 02, 2008 12:12 pm) For the run-flats, I think its definitely worth it if you do any kind of hard cornering. The tires are prone to pick up any small debris puncture especially if you don't like slowing down for the twisties. They hold the road like no bodies business, but the also are magnets for any kind of puncture material.   For non-run flats, probably not worth it. You shouldn't be pressing the limits as much, the tires are a lot cheaper to replace and repair. They shouldn't pick up the small leaks as quickly. Generally speaking, I always lose the damn insurance receipt for the tire repair/replacement and while I have purchased it several times in the past, only once have I cashed in on it and it was for repair only. So for me, it has never been worth it.   Incidentally, I have 7K on the Yokohama's and am in heaven. I did lose a hair off dry cornering hold, but made up for that in spades in wet and cold adhesion. I'm extremely happy with them (so far).
#49 of 59 Yokohama tires by jamie15 Jul 12, 2008 (8:25 am)
I know about as much aobut tires as Bev. Can you give more specs as to the Yokohoma tire and where I find them?
#50 of 59 winter tires by smyrnamed Oct 15, 2008 (5:15 am)
asking for help for z4 winter tires. live in dover delaware and still undecided if i am to get winter tires or change my tires to all season drive a 3.0 sport so clearance sometimes could be an issue but snow here in delaware not as bad Replies to this message: esfoad (Oct 20, 2008 3:24 pm) smyrnamed (Oct 21, 2008 7:59 am) 2buffalo (Dec 01, 2008 11:11 am) esfoad (Dec 22, 2008 8:48 am)
#51 of 59 Re: winter tires [smyrnamed] by esfoad Oct 20, 2008 (3:24 pm)
Replying to: smyrnamed (Oct 15, 2008 5:15 am) I'm in NJ. Probably a little more snow than you. I recommend winter tires over all season tires. I got a set from Tire Rack with rims for a great price and the feeling of security is worth the money. Also, these cars are light and rear drive so even a little snow or ice will affect them badly. Here in northern NJ, last year the car handled perfectly and the tires were not noisy at all. Replies to this message: smyrnamed (Oct 21, 2008 7:59 am) 2buffalo (Dec 01, 2008 11:11 am) esfoad (Dec 22, 2008 8:48 am)
#52 of 59 Re: winter tires [esfoad] by smyrnamed Oct 21, 2008 (7:59 am)
Replying to: esfoad (Oct 20, 2008 3:24 pm) thanks for the help will go ahead and order a set from tire rack
#53 of 59 Re: winter tires [esfoad] by 2buffalo Dec 01, 2008 (11:11 am)
Replying to: esfoad (Oct 20, 2008 3:24 pm) Wondering what model Z4 you're driving and what snows/rims you bought. I have 3.0 with sport package and I'm concerned about clearance issues. Thanks. Replies to this message: esfoad (Dec 22, 2008 8:48 am)
#54 of 59 Re: winter tires [2buffalo] by esfoad Dec 22, 2008 (8:48 am)
Replying to: 2buffalo (Dec 01, 2008 11:11 am) Sorry for the late reply. I have a 3.0Si non sport package. I bought the recommended size from Tirerack including the TPMS sensors. I believe they are 205/55/17's.
#55 of 59 Run flat tires by candy9 Mar 29, 2009 (5:17 am)
Just purchased a Z4 and need help understanding the run flat tires that came on vehicle. Do I understand correctly that there is a tire made by Yokohoma that is a run flat that gives you longer wear, or is it a tire that you can use to replace run flats. If I replace my tires with non run flats will this void my warranty, or cause stress on the rims in any way? Thanks for any help you can provide. Replies to this message: markwell (Apr 08, 2009 12:08 pm) calvinc22 (Aug 21, 2009 1:34 am) markwell (Oct 01, 2009 12:08 pm) induscreed (Aug 23, 2009 7:01 pm)

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