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      02-22-2017, 11:48 PM   #1
Griffster
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RFT Tyre Suggestion

I'm putting the stock wheels back on the 135i for daily road commuting and keeping a separate set for more closed track fun. As we sometimes do long commutes down places like the great ocean road, i'm going to put RFT's back on for peace of mind.

There seems to be only 3 available that I can find that fit the standard rims
a) Pirelli P Zero's
b) Dunlop SP Sport 01
c) Bridgestone RE050A

I think the Bridgestones were the OEM? Anyway, anyone had both the Dunlop and or Pirelli and care to comment on their thoughts?

Cheers
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      02-23-2017, 03:48 AM   #2
juld0zer
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Of those three, i'd probably go in this order:
1. RE050A
2. Pzero
3. SP Sport 01.

Continental makes the Sport Contact 5 SSR to suit the rear but i am yet to see a matching front tyre (215/40-18). Likewise for Bridgestone's S001 and Goodyear's Assymetric 2. Available for rear but yet to see a front.

The reasons for my choice are:
- Durability: Dunlops and Goodyears of that era would develop inside sidewall tears that result in bulges in the sidewall from big potholes or minor kisses with kerbs. Everyday stuff basically. The Bridgestones seem to take everyday torture best. I ranked Bridgestone above Pirelli for durability because a puncture in a repairable section of the tread doesn't cost you a new tyre. Pirelli specifically states their Pzero RFT are not to be repaired. Regardless of brand, if you drive on the tyre with little or no air it will have to be replaced anyway due to sidewall compromise in runflat operation. Opinions will vary and there are people who will happily ropeseal any puncture - ultimately, choice is yours.

Availability - The RE050A is the OEM tyre on the 18' wheels so naturally they are quite easily to find and competitively priced from parallel importers.

Some things to consider:
- Noise. When new, all three are similar. As they wear and age, RE050a can get noisy (roar) and Dunlops get scalloped/lumpy/feathered easily from everyday use, leading to roar. The Pirelli i've noticed maintains fair manners throughout its life but due to its curved tread area it really needs good and regular alignments to minimise inside edge wear and maximise life.

- Price. All options are within $10-20 per tyre of each other, if you shop around.

- Overall grip. All are similar. The RE050a seems to perform well in all conditions and maintains fair straight ahead traction even in the wet. I think the traction control was calibrated to suit it. RE050A also has the sharpest turn in and feedback of the 3. Pzero is quite close to the Bridgestone but it feels a bit vague at times - you need to have faith. Braking-wise, arguably the Bridgestone feels better but i dont have any data to back it up. This is just based on experience. Pzero did win some braking tests done in the media, though.
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      02-23-2017, 10:21 PM   #3
Griffster
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Thanks for the detailed post. Much appreciated.
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      02-24-2017, 07:05 AM   #4
DR-JEKL
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buy a jack and a spare wheel/tyre RFT's are crap..
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      02-24-2017, 08:54 AM   #5
jaye944
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IMHO, dont,
get XL rated tires you WILL not look back

1> better wear
2> better ride
3> better grip
4> no tramlinging or bouncing
5> PRICE
6> Get dynaplug tire fix

RFT's most places wont repair, and after you drive on them for over 50 km there toast



Quote:
Originally Posted by Griffster View Post
I'm putting the stock wheels back on the 135i for daily road commuting and keeping a separate set for more closed track fun. As we sometimes do long commutes down places like the great ocean road, i'm going to put RFT's back on for peace of mind.

There seems to be only 3 available that I can find that fit the standard rims
a) Pirelli P Zero's
b) Dunlop SP Sport 01
c) Bridgestone RE050A

I think the Bridgestones were the OEM? Anyway, anyone had both the Dunlop and or Pirelli and care to comment on their thoughts?

Cheers
Appreciate 0
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