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droidfan 12-22-2012 04:07 PM

M5 tires in 19 or 20 - please tell your story

I was looking at the M5 tires for both standard BMW 19 or optional 20 inches wheels.

You have those dimensions:




Looking at Tirerack and other tire providers, it seems quite difficult to get them (availability is low, you have to order them) and there are no run-flat version of them. As far as I can search, there are only Michelin Pilot Super Sport and Pirelli P Zero Max that could work for such a car.

I am currently having run-flats on a 335 and those have actually been very convenient when I got a puncture (I could go back home and wait a day before going to the tire shop). I could also made them repaired quite easily too.

BMW is also providing a "repair kit" and I would like to know if it works nicely and could help me wait a few days until I get a new replacement tire. Also, after using the repair kit, would the punctured tire be fixable or not ?

Last, I have heard that the 20 inches are a bit more noisy than the 19 inches ones.

Tires size is not only about aesthetics, right ?

Thank you for your feedback and suggestions.

mlaynemd 12-23-2012 08:56 PM

I am not sure I understand what your question is. However, I have 20" summer tires and 19" winter tires (Michelin PSS summers and Pirelli Sottozero winters) and they both are great. No problems whatsoever. Knock on wood I have not had a flat with this car or my previous car so I can't comment on that.

droidfan 12-23-2012 09:15 PM

Hello mlaynemd,

I am trying to figure out which of 19 or 20 inches wheels is "better" considering the following:

1- availability of tires at the repair shops

2- pain of using a repair kit in case of a puncture

3- capability to repair a tire after having used the repair kit on it

4- smoothness of ride and being less noisy

5- aesthetics

I look forward to your comments.

Thank you

mlaynemd 12-26-2012 08:28 AM

20 is the best option. Many are going with 21" aftermarket wheels on the F10 M5. If you stick with 20" stock sizes you will have no problem with all of your concerns. And they look and ride great.

mr boots 12-27-2012 04:30 AM

You will not go wrong with either 20/21's. Ride is just as smooth as the 19's.

poleposition 12-28-2012 09:40 AM

Based on the OP's obvious unfamiliarity with the different options and their advantages and/or disadvantages, I would say 19 inch wheels are the best option for this particular situation. Driving scared isnt worth driving at all in my opinion.

Bmwonly 12-29-2012 10:08 PM

Agree 19" is a good way to go, when I got my M5 a few weeks ago, found out the 20"s were a bit bouncy ride, so I changed to 19"s on day 3, ride is better now, but others may like the 20"s look, so I may sell the 20"s.

neurom 01-05-2013 06:25 AM

One advantage of the 20"s is that they are much easier to clean, although on the other hand you see more of the brake discs and the dirt that may accumulate on them. All things considered, the 20"s just look so good, it is my choice, particularly since I will have a 19" winter set.

droidfan 01-24-2013 01:16 AM

Thank you for all this feedback. Sure there is some difference for the ride and the overall look.

But what about the availability of 19 versus 20 inches tires at the tire shops if I need to get a new tire (after a puncture) ?

Does anybody here have some experience about that ?

poleposition 01-24-2013 05:05 PM


neurom 01-24-2013 05:37 PM


Originally Posted by fdimeglio (Post 7334182)

But what about the availability of 19 versus 20 inches tires at the tire shops if I need to get a new tire (after a puncture) ?

Count that if you do have a need for a new tire, you will not find either a 19 or 20 at this size right away. BMW Assist should take you to the dealer who should put you in a loaner while you wait for a replacement tire.

netwon 02-28-2013 06:05 AM

Considering 1) the expected tire life 2) availability of tires (19 & 20) and 3) how much I love driving Claudia (don't laugh)
I am going to order a spare set and leave them in the garage. Going to need them anyways sooner than later. If you get a puncture on the road get a tow to a tire shop and have the tire repaired... its not a RTF after all... just drive gental till you can replace

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