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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > Australia > The Definitive Tyre Thread (FAQ inside)



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      10-01-2013, 11:58 AM   #45
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Quote:
Originally Posted by Stuart@BMRAutowerkes View Post
No, you can change setup from OEM... whether you want wider tyres and/or wider wheels, there is a certain degree of tolerance where things will fit a-ok.

If you have 225M wheels you could easily go to 19x8.5, 19x9.5 with similar offsets and it'll fit. Likewise if your tyres are currently 225/255 you could go to 235/265 without much drama.

ET, also known as offset, is how far in, or how far out your wheel will sit.
An ET of Zero (0) will mean the wheel mounts to the hub in exactly the middle of the wheel. Whereas a positive ET (eg +30) sees it sit inside by 30mm.
Going from an ET of 35 to ET30 would see the wheel stick out 5mm more... make sense?

Here is a handy calculator as well: http://www.1010tires.com/Tools/Wheel-Offset-Calculator
Thanks Stu, I have read that calculator before too.
Hmm...I am buying a 325 coupe with style 67 19" rims plus 245/35/19 tyres on ALL wheels, so, just thinking if there is any impact to the car, and want to see if those tyres can be used on a 225 rims that I am going to buy from a forum member here.
In regards to tirerack, I saw thread before saying that different operator at their side will have different shipping quotes....
I am thinking of the continental DW, or the kumho 31 as the PSS is too expensive, I was told the PSS in a set of 4 costs $1800....
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      02-19-2014, 11:12 AM   #46
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heres a question for your 'faq' section maybe-

can i run non rf's on one axle & rf's on the other?

reason i ask, is my front rf's are getting low, so i'm thinking of going non rf's on the front & waiting till my rears rf's have worn down before putting non rf's on the rear.

i'm sure it would be ok, but worth asking i think.

thanks
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      04-25-2014, 11:12 PM   #47
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Hey guys, any opinions on upgrading from a 225/255 (RFT) setup to a 235/265 (non-RFT) setup for a M Sport 325i with 18" 193M wheels?
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      06-05-2014, 10:31 PM   #48
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Quote:
Originally Posted by bmshez View Post
Hey guys, any opinions on upgrading from a 225/255 (RFT) setup to a 235/265 (non-RFT) setup for a M Sport 325i with 18" 193M wheels?
late reply, but probably not needed IMO... don't want to 'overtyre it' which will increase drag.. also those sizes will bulge a fair bit on the 8" and 8.5" widths of the 193s.
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      06-06-2014, 09:07 PM   #49
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Quote:
Originally Posted by SaturnV335 View Post
heres a question for your 'faq' section maybe-

can i run non rf's on one axle & rf's on the other?

reason i ask, is my front rf's are getting low, so i'm thinking of going non rf's on the front & waiting till my rears rf's have worn down before putting non rf's on the rear.
Curious as to the answer for this one. I'm thinking of perhaps doing the same thing.
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      06-12-2014, 01:20 AM   #50
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Just got an unbelieveable price for some new tyres from my local Bridgestone Select Store near the Marion Shopping Centre.

I have 19" 225m wheels (2010 E92 335i)

I am getting the following
Bridgestone Potenza S001 RFT

2 x 225x35x19 (front)
2 x 255x30x19 (rear)

Fitted and balanced, nitrogen filled, wheel allignment and a $100 fuel card all for less than $1700.
TireRack in the USA don't even have the S001 in these sizes and checked their price for the soon to be discontinued Bridgestone Potenza RE050A which are an inferior tyre to the S001's and their price wasn't much cheaper. When you add in shipping fitting etc etc I am getting them cheaper here.
I think this is a great deal and worth mentioning

cheers
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      06-12-2014, 01:46 AM   #51
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Quote:
Originally Posted by aussie_335 View Post
Just got an unbelieveable price for some new tyres from my local Bridgestone Select Store near the Marion Shopping Centre.

I have 19" 225m wheels (2010 E92 335i)

I am getting the following
Bridgestone Potenza S001 RFT

2 x 225x35x19 (front)
2 x 255x30x19 (rear)

Fitted and balanced, nitrogen filled, wheel allignment and a $100 fuel card all for less than $1700.
TireRack in the USA don't even have the S001 in these sizes and checked their price for the soon to be discontinued Bridgestone Potenza RE050A which are an inferior tyre to the S001's and their price wasn't much cheaper. When you add in shipping fitting etc etc I am getting them cheaper here.
I think this is a great deal and worth mentioning

cheers
Awesome! I recently bought michelin PSS same size as you and I've got under $1500 fitted locally bought the tyres from Australia too.
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      10-20-2014, 11:36 PM   #52
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Hi guys, can someone recommend me a set of 4 tyres? BMW E90 320i 17" wheels. I looked through the TyrePower site and they do not stock any of the recommended Michelin tyres for my car but plenty of other brands. We want something a bit more comfortable as compared to Run Flats. Thanks
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      11-06-2014, 11:20 PM   #53
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Anything will be more comfortable than runflats. Anything.
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      12-26-2014, 04:16 AM   #54
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Hi everyone,

Have had my car for about 6 months and it's time for the tyres to be changed. They are 18' run flats and I'm looking at changing to 19' kumho ku31 (e90 325i). Looking at going with the fitment in this thread for front and rear and looks like it will cost around $1100. Is this decent? Includes fitting but no alignment.

http://www.tyresales.com.au/buy/tyre...265-30R19/1478
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      07-01-2015, 12:00 AM   #55
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Quote
[b]I've heard of lugbolts coming loose and becoming brittle with age -
Unquote

As a retired consultant metallurgist ( B. Sc. qualified) I would like to make the observation that techically steel does not become "brittle" with age.
Failure of wheel studs is however a common occurrence due to metal fatigue. This is caused by cyclic stresses exceeding the fatigue strength of the metal when stress concentrations such as thread roots are present.
Fatigue failures are avoided by installation at correct torque settings. ie. Avoid loose bolts.
Studs will last the life of the car if correct high tensile quality and sufficiently high installation torque.
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Last edited by E92 N52 325i Msport; 07-01-2015 at 12:35 AM. Reason: grammar
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      08-05-2015, 09:38 AM   #56
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Hey guys,

Looking at new rims for my e92, Do you think these will fit on?

19 inch x 9.5 inch with a 20 offset.

Thats all round as well...
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