I am trying to figure out a set of 18 inch mags to put on my new (to me) G37xS (AWD and big sport brakes) for winter use but having trouble figuring out what will fit. 19 inch winter tires are not only very expensive but the ride is a little rough for the winter road conditions where I am up in Montreal, Canada.

Having browsed these forums I've found some people mentioning the "duckfeet" rims just clearing, and some aftermarket rims.

I am more inclined to go with an oem rim for both looks and pricing, and came across these in a local ad:




Problem is I can't seem to find info on these specific rims anywhere. The seller says they came from the dealer and were on his 09 g37 sedan previously. Does anyone here know what this model of rim is, and if it will clear the sport brakes?

 

Just for fun, I google-imaged "split 5-spoke wheels". Those look like they came off a 2016 Audi S7. It's a really good looking wheel, IMO.

However, the S7 wheels were 20", and these are clearly 18", so... knock offs? Or maybe the Audi S6? IDK, but this should kick you off in the right direction.

 

Oh wow, thanks for this. The seller had said they were infiniti OEM and I assumed they were given the centre caps. I was only searching through years of g37 models to find these .

With some more digging from there, it seems the 2016-2018 A4/A5 sport editions use these in an 18. The seller says these are 18x8 +45 offset, which gives me 2mm less clearance than the stock non-sport 18s (which are 18x8 +43). Suppose the only way to truly verify the fit over sport brakes is by checking against the brake template, but would 2mm less inner clearance be an issue with rubbing?

 

OEM Sport 18's on the RWD Sedan with the Sport Package are also +45 offset in the front, at 18"x7.5". And I'm pretty sure 2mm clearance is all there is anyway over the big sport calipers. It's pretty tight. Frightfully tight.

However (!!) that can easily be remedied with a 2mm or 3mm spacer. And you can even do that while still using the OEM lugnuts.

Go for it. Like I said, beautiful wheel design in its own right, winter or otherwise.

 

Are there any downsides to using a small spacer like that? Looking at them now they seem to be simply metal disks that slide in place. Seems easy enough even if I'm changing my own tires.

 

I know Hartmann makes those in 18 and 19, but audi runs 5x112, vs our 5x114.3.
Most likely OPTI reps as I doubt someone would leave $500/wheel worth of audi wheels on your car lol, then again, who knows. If those are legit audi wheels, they're actually really light and strong and you lucked out. Im still scratching my head about the bolt pattern though.

 

​​​​​​​Nope. As long as you don't give up too much thread. I believe the recommendation is 5mm or less before you need to get extended studs.

I run 3mm spacers on the front with my summer wheels, for clearance, otherwise I literally have a 1mm gap, and that freaks me out.

 

He claims they're 5x114.3 so yeah I guess they must be reps.
To clarify, these aren't coming with the car, its got the stock 19's with summers on it. I'm hunting through classifieds to find 18's for the winter.