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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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What is this discussion about? BMW Z4, Coupe, Convertible


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#24 of 59
No Go in Snow by peacefield
Feb 09, 2006 (10:17 am)
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Coincidentally, my circumstances are very much like those of mdw1000. Bought my 2005 Z4 a year ago. It only comes with one set of tires and I can promise you that they're not all seasons. I have a Chevy s-10 2wd that I intended to sell which was never very good in the snow anyway. One afternoon driving home in roads that were only barely covered (a tiny fraction of an inch) made the car 100% undrivable. As much as the pick-up is not a great winter driver, I've had to keep it because the Z4 is a NO winter driver.
 
That aside, I've gotta tell you that I LOVE this car.
#25 of 59
heck yeah by dhanley
Feb 13, 2006 (9:52 am)
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And, moreover, driving any car is dangerous.
 
Let's all start walking more!
#26 of 59
Must I replace Runflats with Runflats? by jking50
May 20, 2006 (8:09 pm)
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I am sick of the runflats. I need to replace the tires and would like to put on regular tires but the dealer says the rims (2003 Z4 2.5i) are for runflats only. Can anyone verify this? Would I need to replace the rims also?
#27 of 59
Driving my Z4 in Winters by swanand_d
Sep 23, 2007 (6:53 pm)
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Hello, this is my first post as I just bought my 2003 Z4 2.5i 2 months back. The car is beautiful and I enjoyed my summer with it.
I have read lots of reviews about not driving the Z4 in winter. Quite frankly I live 0.7 miles away from work and I take my car out for work and trips (which we wont have any in winter). Is it OK to drive my car to work?... I think it should be OK) I live in southern part of Michigan.
 
Also, I really dont have much idea or knowledge about the details, but do I need to buy the Bridgestone Blizzak WS-50?
Please advice.
 
Thank you!
#28 of 59
Re: Must I replace Runflats with Runflats? [jking50] by 530iturk
Oct 19, 2007 (8:36 pm)
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Replying to: jking50 (May 20, 2006 8:09 pm)

I've been running Mich Pilots for the last year (2003 Z4 3.0 w/sport).
 
They are great but the flat tire indicator doesn't work now.
#29 of 59
Tire information by major914
Nov 12, 2007 (11:13 am)
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From earlier posts, it seems like there is confusion on the stock tires for a Z4. I bought a new Z4 Coupe in August, 2006 and it came with Potenza RE050A's. I did not get the sport package because I intended to drive the car year round (I live in the suburbs of Chicago). To quote a review of these tires, "do not even think of driving on this tire in the snow, or even when the temperature gets down to freezing". I didn't kill myself, anyone else or even put a dent in the car, but I credit that to many years of experience driving in snow and ice, plus autocrossing and SCCA experience.
 
BMW does not offer an all season tire for the Z4, and neither they nor the dealer will tell you that the RE050A is a summer performance tire. I emphatically told the dealer that I was going to drive the car year round, and all I got was a mild suggestion that I might want to "think about" getting an extra set of tires.
 
 
#30 of 59
Re: Tire information [major914] by esfoad
Nov 13, 2007 (6:29 am)
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Replying to: major914 (Nov 12, 2007 11:13 am)

I got a set of wheels/snow tires from Tirerack for my 3.0Si WITH tire pressure sensors for aabout $1200. That's a small price to pay for winter security. Also, if I choose to sell the car, the winter set will always be sellable.
#31 of 59
Re: Tire information [esfoad] by hydro333
Dec 02, 2007 (11:48 am)
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Replying to: esfoad (Nov 13, 2007 6:29 am)

I am picking up a used Z4 next week. What wheel/tire set did Tirerack recommend (sizes, brand, etc.)? BTW, I've used Tirerack for years, and swear by them!
#32 of 59
Problems with Potenza RFTs (Run Flat Tires) by djbarker1
Jan 30, 2008 (4:17 am)
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Has anyone encountered any wear-related problems with the Bridgestone Potenza RFTs (Run Flat Tires)? I've got a 2005 Z4 3.0 with the sport package (18" wheels) and after 22k miles my tires are bad. The inside edge is completely worn down while the outside edge looks fine. I'm guessing that this is a problem with alignment (camber toed inside) but the problem is consistent with all four tires. I bought the car new from the dealership and it seems like this was "perfectly misaligned" since the beginning.
 
Of course, the dealership (Classic BMW in Dallas) will have nothing to do with me over the matter and a new set of exact replacements is $1700 from Firestone (including install & tax). I'm hestitant to get non-RTFs because of the problems I've heard and because there is no place to put a spare.
 
First, has anyone else experienced this type of problems with their tires and/or alignment? Second, make sure you know what you're getting yourself in to before you purchase this car -- it's a great ride by VERY expensive to fix ANYTHING (including tires).
#33 of 59
Re: Problems with Potenza RFTs (Run Flat Tires) [djbarker1] by busiris
Feb 04, 2008 (3:14 pm)
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Replying to: djbarker1 (Jan 30, 2008 4:17 am)

All BMW's have the tire wear that you describe to some degree, regardless of tire brand. I have read many letters to the editor in the BMWCCA magazine "Roundel" about this issue. It has to do with how the suspension is configured, so you can drive the car more aggressively on the road. I believe its called "negative camber setup", but I could be mistaken...It gives the car a "squatty" look when cornering. Compounding this issue is that performance tires are made of a softer compound, which gives better traction, but poor tread-life.
 
See if you can obtain a few issues of ROUNDEL and you will see that others have the same "Issue" (I hesitate to call it a complaint, only because many buyers prefer the BMW setup so they can enjoy the "Ultimate Driving Experience"). Of course, this little "item"is seldom brought up by the car salesman...
 
Good luck!

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