Mr Tidy said:Oh right, your proposed set up sounds pretty aggressive
Neo Zeon said:Sorry I wasn't clear. The pictured E89 is mine and I just posted it for the sake of it. I want to go from a 255/35/19 rear to a 285-305/35/19
The new wheel would be 19x9.5-10.5 with an offset of 10, up from a 19x9 offset 40 wheel.
I have a fitment link in the OG comment but I think I placed it oddly so you didn't see it. I'll edit it.

Mr Tidy said:So you probably need to read B21s 35is Build Thread - if you haven't already!
True-Blue said:Neo Zeon said:Sorry I wasn't clear. The pictured E89 is mine and I just posted it for the sake of it. I want to go from a 255/35/19 rear to a 285-305/35/19
The new wheel would be 19x9.5-10.5 with an offset of 10, up from a 19x9 offset 40 wheel.
I have a fitment link in the OG comment but I think I placed it oddly so you didn't see it. I'll edit it.
Even 9.5 ET 10 with your current tire won’t work. 9.5j rears with an ET of circa 33 are just about do-able from memory with 255/35/19’s, but even a set of 437M’s which are 10j ET 40 on the rear will rub with standard size M3 tires. You’d probably get away with 275/30/19’s on 10j ET 40 - but 9.5J ET10 can’t see the rim even sitting within the wheel arch![]()
B21 said:265/30R19 front
285/30R19 rear
Is about the limit and even that requires some massaging of the inner liners..
9j 10j
ET25 ET30
Neo Zeon said:B21 said:265/30R19 front
285/30R19 rear
Is about the limit and even that requires some massaging of the inner liners..
9j 10j
ET25 ET30
Ahh the 35 sensei! Seems like my final build goals are similar to what you ended up with so I'll be focusing on your journey. As I alluded to earlier I bought a set of pure turbos and am looking to press out to 600 HP. Also going for a qaudtip exhaust and maybe some nice cosmetics for the headlights. Already upgraded the breaks to a BBK set. Not the place I suppose to talk about this but any tips feel free to send them my way via PM.
I'll look into those wheel sizes thanks!
Shame I just bought the 235/35/19 fronts 2 days ago ( up from the 225s) because a crazy person slashed them.
Cheers.
tiglon said:275/30/19 will also be fine on the rear with ET40.
B21 said:tiglon said:275/30/19 will also be fine on the rear with ET40.
Not necessarily so…
On 437M with 275/30 MP4S yes..on 437M with 275/30 SC7 no…just fitting 10mm spacers to rear
tiglon said:B21 said:tiglon said:275/30/19 will also be fine on the rear with ET40.
Not necessarily so…
On 437M with 275/30 MP4S yes..on 437M with 275/30 SC7 no…just fitting 10mm spacers to rear
Fits well on 788M, SC7 tyres. I thought 788M was exact same size and offset as 437M, but perhaps not?
Neo Zeon said:Just looked into the 782 wheels. Beautiful.. any confirmation it would fit my Z4 with those higher tire sizes?
B21 said:Neo Zeon said:Just looked into the 782 wheels. Beautiful.. any confirmation it would fit my Z4 with those higher tire sizes?
No..
Neo Zeon said:B21 said:Neo Zeon said:Just looked into the 782 wheels. Beautiful.. any confirmation it would fit my Z4 with those higher tire sizes?
No..
Meant to say 788m ha ha sorry
Edit I googled the wrong wheel and saw the 788 and assumed that was the 782. I was actually attracted to the 788![]()