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      04-26-2016, 05:06 PM   #23
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https://www.tyreleader.co.uk/

...is the best website for tyres. Huge selection and great prices. Better prices than others I had found using the usual google search. Without the Josh discount my 4 MPSS would have cost £855 delivered. But with the Josh discount they were £789 delivered (thanks mate)

Even with £40 to £50 fitting, that's still just over £100 less than the best fitted price I could find locally (which was from HiQ). Hoping they show up on Friday.
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      04-26-2016, 05:11 PM   #24
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Quote:
Originally Posted by AceCobra1 View Post
What do you guys use to measure the tyre treads left ?
There are horizontal marker lines deep inside and across the troughs of each tread. When the tyre rubber wears away to such an extent that the horizontal marker lines are flush with the road wearing rubber, it is time to change your tyres
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      04-27-2016, 12:28 AM   #25
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Quote:
Originally Posted by Mark333032 View Post
There are horizontal marker lines deep inside and across the troughs of each tread. When the tyre rubber wears away to such an extent that the horizontal marker lines are flush with the road wearing rubber, it is time to change your tyres
Be careful though some tread wear bars are set at the recommended 3 mm change, others are set to the legal 1.6 limit.

Much better to use a tyre depth gauge.

I do like tyre leader, but will be sticking with RFT for multiple reasons.

Interestingly Tyre Leader sell the Pirelli P Zero RFT for the 20's approved for BMW and Merc, no where else seems to sell that variant. Before anyone suggests getting the non-approved version clearly there is a difference in compound make up as the approved version is better all round in testing...

Last edited by NINJA59; 04-27-2016 at 12:35 AM..
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      04-27-2016, 09:28 AM   #26
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Guys, not sure if this will be of any interest, but some seem to still prefer RFTs,I'm advertising the 20" Dunlops that came off my car on pistonheads, 6mm tread so plenty of life left in them.
Cheers
S
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      04-27-2016, 11:53 AM   #27
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Quote:
Originally Posted by Mark333032 View Post
After 20k miles, my tyres are ready for a change. I have decided to replace the existing 20 inch Dunlop SP Sport Max GT runflats with Michelin Pilot Super Sports (which are not runflats) which I have read some good things about. I am doing this in the hope that the softer sidewalls will help make the ride just a little less hard. I will report back when it's done.

I shall keep a can of tyre weld in the boot but I feel the need to keep a spacesaver wheel in the garage as well just in case I blow out close to home. Plenty of them available 2nd hand on eBay which are good enough for me. But which size? There are some R18s available for X5s but will they be too tall for the 6ers wheel arches? Is an R17 wheel better? And is the configuration of the 5 wheel bolts the same on all BMW models?
Based on the sidewall, what's the different types that can be purchased? My 255/35/20 looks different from my 295/30/20.

One tire shop told me the 255/35/20 is stretched that's why it sits behind the rim and another told me my 295/30/20 have the rim protector that's why it sits so much on the outside of the rim.

I'm looking to get 285/30/20 on the rear without "rim protector" or tire that's "stretched".
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      04-27-2016, 03:27 PM   #28
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Quote:
Originally Posted by Royce Martin View Post
Based on the sidewall, what's the different types that can be purchased? My 255/35/20 looks different from my 295/30/20.

One tire shop told me the 255/35/20 is stretched that's why it sits behind the rim and another told me my 295/30/20 have the rim protector that's why it sits so much on the outside of the rim.

I'm looking to get 285/30/20 on the rear without "rim protector" or tire that's "stretched".
My factory rear RFT Dunlop's stick out just a tad from the rim and they have saved my a$$ a few times to where I thought I curbed my rims leaving the stupid narrow bank drive thru's but to my surprise they were perfect when I got out to check the rims. I have kept them on just for this specific reason lol they keep the rims perfectly safe.
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      04-27-2016, 05:58 PM   #29
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Quote:
Originally Posted by Zack G. View Post
My factory rear RFT Dunlop's stick out just a tad from the rim and they have saved my a$$ a few times to where I thought I curbed my rims leaving the stupid narrow bank drive thru's but to my surprise they were perfect when I got out to check the rims. I have kept them on just for this specific reason lol they keep the rims perfectly safe.
Lol, I'll have to pass on that. I rather the stretched look.
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      04-28-2016, 05:30 AM   #30
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Well, to answer my own question, the official BMW spare wheel kit for F10 to F13 cars includes a 135/90 17 inch light alloy wheel. The part number is 36112159862 and the price is between £380 and £450.

Having poked around on ebay, this seems to be quite a rare BMW spacesaver wheel size, last used on the E83 (X3) of 2003 to 2010 vintage. They are available from breakers. I just found one up for £130 and offered £70 delivered which was just accepted. Not to carry around in the boot, but to keep in the garage just in case I get a flat close to home. I just hope the 5 stud spacing and centre hole are the same.

This is what is going in the boot http://www.ebay.co.uk/itm/Emergency-...4AAOSw-7RVDaXY

MPSS tyres are due for delivery late this afternoon. I'll report back when I have them fitted
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      04-28-2016, 08:21 AM   #31
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I also have had a good dig around the prices supplied by the trade account are good, I was more concerned with why only Tyre Leader stock the star approved version of the Pzero, turns out it has only just got OE approval!

At least for those sticking with RFT's it may give us another option!
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      04-28-2016, 03:16 PM   #32
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Quote:
Originally Posted by Mark333032
Well, to answer my own question, the official BMW spare wheel kit for F10 to F13 cars includes a 135/90 17 inch light alloy wheel. The part number is 36112159862 and the price is between £380 and £450.

Having poked around on ebay, this seems to be quite a rare BMW spacesaver wheel size, last used on the E83 (X3) of 2003 to 2010 vintage. They are available from breakers. I just found one up for £130 and offered £70 delivered which was just accepted. Not to carry around in the boot, but to keep in the garage just in case I get a flat close to home. I just hope the 5 stud spacing and centre hole are the same.

This is what is going in the boot http://www.ebay.co.uk/itm/Emergency-...4AAOSw-7RVDaXY

MPSS tyres are due for delivery late this afternoon. I'll report back when I have them fitted
Good to know if I get rid of the run flats. Sorry I didn't have a answer for you. Sod paying 3-400 for one. Sounds like u got a bargain
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      04-28-2016, 03:49 PM   #33
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OK, I have Dunlop OEM SP runflats on my F06. I've switched before from Dunlop runflats to Michelin MPSS on my GTR. I can tell you that the difference is significant. Simply put, the ride is softer and quieter. Dry grip was about the same but wet grip is superior with the MPSS. Bottom line: Yes, it is a better tire than OEM runflats.
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      04-29-2016, 12:19 PM   #34
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All done. And what a transformation!

Hitting bumps and potholes in the road is now almost a pleasure. The ride is significantly smoother with none of the crashing through road dints and bumps as before. Even sleeping Policemen (for the non UK folks on here, these are traffic calming raised humps across the road) can now be taken at some speed.

As I bombed along at 80, I noticed the loud tyre rumble of the runflats I was so used to was gone, replaced by a new softer whooshing noise as air flowing around the car's body is now the prominent sound.

This is all so much better than I expected.

I had to call several places before finding a sensible price for tyre fitting. The first place wanted £25 per tyre! The second £21. All because they are 20 inch wheels and taking runflats off rims is difficult because the walls are so thick and stiff. I ended up using a place that charged £12 per tyre regardless of size or type and because the first tyre was so hard to get off the rim, it took the fitter 2 hours to do all 4 and halfway through he had to get some help.
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      04-29-2016, 12:22 PM   #35
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They are hard to do but the max id be paying is £15 per tyre. I paid 40 for mine to come off and fit the new Non RF.

Glad your happy with them 👍🏽
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      04-29-2016, 04:43 PM   #36
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Now you make me want to change them even more haha
Think i will wear the run flats down a bit more first.
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