My run-flats that came with the F10 have been run practically, well, flat. They were an advisory on my previous MOT and the last 12 months have not been kind to them with the F seeing a fair bit of use and the two rears are about 1mm from the wear bar, so with the next test looming its time to throw some fresh rubber on.
I went for the same, like-for-like Goodyear Excellence that were fitted when I picked the car up, in 255 / 55 / 17 size. I'm not sure if these are standard fit from BMW, but it's what the police were running on it for high-speed pursuit, so they will do for me and my mainly sedate driving style...
They aren't cheap kit. Even with a discount through work I was quoted £233 for two new tyres and I needed four. This price I would consider prohibitive just for new rubber when I can get four new regular tyres for as little as £100 the lot, but the Goodyear is what I wanted so I went for used tyres. Well, they are hardly used, with the set I bought having 7mm+ of tread left and a 2019 DOT code. Three of them have a puncture repair in the tread, but even so the deal I got was too good to turn down... £250 for all four!
Run Flats or normal tyres??
I've grown used to these Goodyear tyres over the last five years, though they would not be my first choice in normal circumstances. The grip, noise and ride are all pretty good and I've had a decent run out of them given the amount of tread left when I bought the car. They have suffered two punctures during that time and this is where the Run Flats show their worth. The first I repaired straight away, but on the other occasion I ended up driving for four days and covered 75 miles on a tyre with zero PSI, yes that's ZERO air in it and to be honest the tyre still performed perfectly and there car drove as normal. OK I would NEVER recommend anyone doing this, but yes they work and are worth the extra money they cost! The downside of this convenience is the harsh, bumpy ride due to the reinforced side-walls. This may be a big factor on low-profile tyres, for instance I had 18" alloys on my E60 with Run Flats and the ride was pretty harsh, and I would imagine it gets even worse for 19" and 20" with tiny side-walls, but with my current 17 inch rims with a 55 profile side-wall the ride is actually very good, so this argument becomes negligible!
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