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Wheels and tyres. What to do?

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
craigj
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Wheels and tyres. What to do?

Post by craigj » Wed Mar 22, 2017 3:09 pm

Hi,

I have a 2009 E89 23i with 296 alloys.

Here is my situation:
  • Both of the 2 original rear wheels developed cracks back in 2012 and were replaced for free under the extended warranty by BMW.
  • All 4 wheels were refurbished in 2013 to remove some kerbing marks
  • The front left wheel developed a crack in early 2016. I had this welded to get it through its MOT.
  • As of 2017, all 4 alloys are pretty badly kerbed and all 4 tyres are heavily worn and need replaced.
My options:
  1. Refurbish all 4 296 alloys and fit 4 brand new Bridgestone RFTs (at a cost of £763 + whatever the refurb costs, say, £300) = £1076
  2. Refurbish all 4 296 alloys and fit 4 brand new Goodyear Eagle F1 non-RFTs (at a cost of £600 + whatever the refurb costs, say, £300) = £900
  3. Buy 4 x 290 (17" wheels) on eBay (without tyres), fit 4 brand new Bridgestone RFTs (at a cost of £371 + say, £400 for a set of 290 wheels from Ebay), and then sell the old 296 set on eBay for whatever I can get (say, £300) = £771 - £300 = £471
  4. Buy 4 x 290 (17" wheels) on eBay (without tyres), fit 4 brand new Goodyear "EfficientGrip Performance" non-RFTs (at a cost of £308 + say, £400 for a set of 290 wheels from Ebay), and then sell the old 296 set on eBay for whatever I can get (say, £300) = £708 - £300 = £408
  5. Something else? If so, what?
I like the idea of the following things:
  • Making the ride better by going for a smaller rim
  • Making the ride better by going for a non-RFT tyre
  • Making my future tyres costs cheaper by getting rid of the 19s"
I don't like the following things:
  • The 17" 290-style wheels are pretty ugly compared to the big, sexy 19" 296-style wheels
The things I'm not sure about are:
  • Is it dangerous to move on a non-RFT tyre?
  • Is insurance affected by changing to a non-RFT tyre? i.e. is this a 'modification'
What would you do?

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Smartbear
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Wheels and tyres. What to do?

Post by Smartbear » Wed Mar 22, 2017 3:22 pm

Hi, from reading posts on here I wouldn't fit rf tyres unless you want your wheels to crack again!
What do you mean by "move on rf tyres"?
Rob
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

Busterboo
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Wheels and tyres. What to do?

Post by Busterboo » Wed Mar 22, 2017 6:32 pm

1 Go to 18" wheels, not least because (a) they don't usually crack and (b) they're more comfortable.
2 Fit non-RFTs, not least because they're better than RFTs in almost every way.

p.s. RFTs don't crack wheels.
Last edited by Busterboo on Wed Mar 22, 2017 8:15 pm, edited 1 time in total.
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Wheels and tyres. What to do?

Post by jabber » Wed Mar 22, 2017 6:36 pm

Busterboo wrote:1 Go to 18" wheels, not least because (a) they don't usually crack and (b) they're more comfortable.
2 Fit non-RFTs, not least because they're better than RFTs in almost every way.

p.s. RFT's don't crack wheels.
+1
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mr wilks
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Wheels and tyres. What to do?

Post by mr wilks » Wed Mar 22, 2017 6:46 pm

Busterboo wrote:
p.s. RFT's don't crack wheels.

That's a sweeping statement :? What proof have you to back this up :poke: :oops: :P
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mr wilks
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Wheels and tyres. What to do?

Post by mr wilks » Wed Mar 22, 2017 7:08 pm

craigj wrote: What would you do? [/b]
Well id sack the 17s idea for a start :P

Not sure what colour your E89 is but as you clearly appreciate the difference aesthetically from 19s to 17s ( or even 18s ) i would go for a decent set of reps / 19inch with a capable but not crazily expensive tyre (non runflat ) either Kumho Le Sports or Uniroyal RS3s
Wheel choice is a personal one but i would go with M4 style ones like i fitted on my E89 , http://www.cmwheels.com/index.php?route ... uct_id=957
Image



They are decent quality with a high standard finish for around £500 delivered from CM wheels + tyres then sell your old 296s for whatever you can ?
As i see it whichever way you go its a hefty spend so why not go down the route that makes you smile every time you see the car :wink:
3 ZMRs
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Wheels and tyres. What to do?

Post by Nictrix » Wed Mar 22, 2017 7:20 pm

As said already dont go for 17" wheels, they will spoil the look of the car.
If it were me I would either go for 18" BMW wheels or 19" aftermarket wheels of a decent quality both with non runflat tyres.
18" Goodyears will be around £400 for the set
E89 2014 35i M Sport Black with Black leather :)

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Wheels and tyres. What to do?

Post by Maniac » Wed Mar 22, 2017 7:42 pm

mr wilks wrote:
craigj wrote: What would you do? [/b]
Well id sack the 17s idea for a start :P

Not sure what colour your E89 is but as you clearly appreciate the difference aesthetically from 19s to 17s ( or even 18s ) i would go for a decent set of reps / 19inch with a capable but not crazily expensive tyre (non runflat ) either Kumho Le Sports or Uniroyal RS3s
Wheel choice is a personal one but i would go with M4 style ones like i fitted on my E89 , http://www.cmwheels.com/index.php?route ... uct_id=957
Image



They are decent quality with a high standard finish for around £500 delivered from CM wheels + tyres then sell your old 296s for whatever you can ?
As i see it whichever way you go its a hefty spend so why not go down the route that makes you smile every time you see the car :wink:
These are my next set of wheels. How do the offsets look?

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mr wilks
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Wheels and tyres. What to do?

Post by mr wilks » Wed Mar 22, 2017 7:58 pm

Maniac wrote:
mr wilks wrote:
craigj wrote: What would you do? [/b]
Well id sack the 17s idea for a start :P

Not sure what colour your E89 is but as you clearly appreciate the difference aesthetically from 19s to 17s ( or even 18s ) i would go for a decent set of reps / 19inch with a capable but not crazily expensive tyre (non runflat ) either Kumho Le Sports or Uniroyal RS3s
Wheel choice is a personal one but i would go with M4 style ones like i fitted on my E89 , http://www.cmwheels.com/index.php?route ... uct_id=957
Image



They are decent quality with a high standard finish for around £500 delivered from CM wheels + tyres then sell your old 296s for whatever you can ?
As i see it whichever way you go its a hefty spend so why not go down the route that makes you smile every time you see the car :wink:
These are my next set of wheels. How do the offsets look?

Offsets worked perfectly imo , seen better in arches here with wheels straight

Image


Although id like to see your black 35i on the 405m style wheels :evil:
3 ZMRs
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997 C4
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Wheels and tyres. What to do?

Post by Busterboo » Wed Mar 22, 2017 8:18 pm

mr wilks wrote:
Busterboo wrote:
p.s. RFT's don't crack wheels.

That's a sweeping statement :? What proof have you to back this up :poke: :oops: :P
None. :D

But I don't need to have proof, because I never claimed that they did.

Let those who make the claim provide the proof.
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Wheels and tyres. What to do?

Post by Z4Rick » Wed Mar 22, 2017 8:24 pm

Maniac gives you great advice. I would add that you consider your driving style and local conditions in picking tires. For instance, I wanted initially to buy Michelin Pilot Super Sports largely due to my occasional track use and a number of recommendations from fellow weekend racers. I researched extensively and settled on the Continental Extreme Contact for three reasons. First they exhibit somewhat better tread life. Secondly they performed noticeably better in the wet conditions I encounter in the mountains, but equally well on the track. And finally, they were $120 cheaper for a set of 4 (non-runflats of course.) Wheels are a matter of appearance and personal preference, but most aftermarket wheels are of better quality than OEM, and BWW OEM in particular as well documented. Definately get 19s if yours is an E89. Very happy with my choice.

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Wheels and tyres. What to do?

Post by Smartbear » Wed Mar 22, 2017 8:59 pm

Busterboo wrote:
mr wilks wrote:
Busterboo wrote:
p.s. RFT's don't crack wheels.

That's a sweeping statement :? What proof have you to back this up :poke: :oops: :P
None. :D

But I don't need to have proof, because I never claimed that they did.

Let those who make the claim provide the proof.
Id call the incidence of cracked 19" wheels using rf tyres pretty damming evidence (just from reading this forum)
The fact that this incidence seems to be virtually non-existent once normal tyres are fitted seems pretty convincing to me?
How do you see it?
Rob
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e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold

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mr wilks
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Wheels and tyres. What to do?

Post by mr wilks » Wed Mar 22, 2017 9:12 pm

Busterboo wrote:
mr wilks wrote:
Busterboo wrote:
p.s. RFT's don't crack wheels.

That's a sweeping statement :? What proof have you to back this up :poke: :oops: :P
None. :D

But I don't need to have proof, because I never claimed that they did.

Let those who make the claim provide the proof.
Have you not made a claim as in " RFT's don't crack wheels " :?
3 ZMRs
3 E89s
5 Si coupes
5 Si roadsters
997 C4
TTRS
F82 M4
MK7 Golf Gti
current Bmw 6 Gran Turismo

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Wheels and tyres. What to do?

Post by Busterboo » Wed Mar 22, 2017 9:23 pm

mr wilks wrote:
Busterboo wrote:
mr wilks wrote:
That's a sweeping statement :? What proof have you to back this up :poke: :oops: :P
None. :D

But I don't need to have proof, because I never claimed that they did.

Let those who make the claim provide the proof.
Have you not made a claim as in " RFT's don't crack wheels " :?
Yes, you're right. I have. And I shouldn't have. So, let me re-word it:

It seems probable that BMW's 296 19" wheels are prone to cracking. So, since "'Tis safer to avoid what's grown than question how 'tis born', avoid them.

Some claim that RFTs cause this cracking. This seems improbable to me, not least because RFTs don't crack other wheels. Far more likely is that the wheels are of poor quality.
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Wheels and tyres. What to do?

Post by metal licker » Wed Mar 22, 2017 9:26 pm

Getting rid of these (been sitting in my garage for a few years) BBS ck 18's which I had on my 23i give me a pm if your interested
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718 4.0 GTS Boxster in YELLOW :driving:
718 Guards Red Boxster .........Gone!
A35 AMG saloon .........Gone!
JCW ...........Gone !
E89 35i Msport VO ................Gone !
E89 23i SE DSB ................Gone !

Hello to Jason Isaacs

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