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Discussion Starter #1
Hello,

I just bought a 2006 G35 Coupe with the sport suspension package. The car does not have Brembo brakes. Current tire sizes are as follows:
Front - 225/40/19
Rear - 245/40/19

I need to pick up a set of winter wheels/tires and was wondering if I would be able to get away with 17" wheels on this car. Also, what are the implications of putting a wheel without TPMS sensors on the car for the winter?

Thank you for any input!
 

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ask a rim and tire specialist.

dropping down to 17" rims makes it more difficult to find a rim that will clear the sport rotors and calipers...you have to ask the retailer if a particular rim (brand and style) will clear the larger than non-sport (but not Brembo) rotors and calipers.
call Tirerack (for example) to speak to a specialist and ask them what will work.

good luck.
 

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Tpms

also, without the TPMS on the new rims, you will get an illuminated indicator symbol on your dash near the speedo/tach.

it may be annoying but will not affect the car in any other way.

just make sure to check each tire often to make sure the psi is where you want it.
 

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Discussion Starter #4
Thank you for the response, I was hoping that the non-brembo brakes on the sport package would not require a larger rim, but it looks like that is going to be the case.

Your help was much appreciated.
 

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I just bought a winter wheel/tire set for my 2006 G35 Coupe. I also have the Sport Tuned Suspension without Brembos. There are many 17" wheels which will fit. I got my package from Discount Tire Direct. What gave me the most trouble was finding a rim that I liked with an offset that would fit. I ended up buying 17x8 wheels with a 28mm offset.

I spoke with a sales representative and he advised that there would be no issue. As 4wheelpilot said, speak with the folks at Tirerack or Discount Tire when you find a few wheels that you like.

Try this, it's a great tool:

Wheel / tire size calculator / comparer - RIMS-N-TIRES

I've read from other users that the car will determine that there are no sensors on the wheel after driving a certain amount of miles, and the indicator light will turn off. Once my set arrives, and I install...we'll see if that's the case.
 

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Discussion Starter #6 (Edited)
I just got off the phone with Discount Tire, they confirmed a 17" wheel will work on the sport but were having a tough time finding a set-up which provides the offset needed between the front and rear tires. Apparently not having a 1/2" to 3/4" offset will affect the ABS and Traction Control systems.

I am currently running the factory 19"
Front - 225/40/19
Rear - 245/40/19

*Edit* - Would there be any problem running 225/55/17 all around or do I HAVE to have the front to rear differential?

Hangman or anyone else - would it be possible to share the front and rear tire sizes you are running for a coupe with 17" wheels so I can get back to Discount Tire?

Thanks again!
 

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I got the Yokohama W.drive winter tires. 225/50-17 (front), 225-55-17 (rear). This is what Tirerack had recommended to me as an alternate from what their site recommends for use with 17" wheels. Wheels are MB Wheels Weapon, 17x8, 28mm.

If I remember correctly, Discount Tire had advised me that 225/55-17 would also work all around. Ideally for summer tires, you want the rear tires wider. As far as the ratio, I went with what Tire Rack recommended just to maintain a slighty higher setup in the rear of the car. It's closest to the OEM (19") setup, with the exception of the rear tire width.
 
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