[SP_M3]

Ordered a G20 330i xDrive w/ M brakes & 19" M Double-spoke jet black wheels, style 791M and expecting its delivery sometime soon.

Question 1:
How on earth do I find out wheel specs on them for sure without pulling wheels off? When I say specs I mean offset, bore size (i'd assume it's 72.6mm), wheel width(looks like 8"). I know tire-rack offers plenty of wheels to go with as for winters setup; however, I don't want to use centric-rings.

Question 2:
Will I be able to use BMW 18" wheels (ideally these 18" wheels) w/ M brakes?

Thanks in advance.

[clone1008]

Originally Posted by jmshamal

Ordered a G20 330i xDrive w/ M brakes & 19" M Double-spoke jet black wheels, style 791M and expecting its delivery sometime soon.

Question 1:
How on earth do I find out wheel specs on them for sure without pulling wheels off? When I say specs I mean offset, bore size (i'd assume it's 72.6mm), wheel width(looks like 8"). I know tire-rack offers plenty of wheels to go with as for winters setup; however, I don't want to use centric-rings.

Question 2:
Will I be able to use BMW 18" wheels (ideally these 18" wheels) w/ M brakes?

Thanks in advance.

https://www.wheel-size.com/

[HDClown]

G20's are 5x112, 66.6 center bore

These are the various wheel and tires sizes for 3 series (excluding M3) of OEM wheel options in the USA.

18x7.5, 225/45 R18 ET25
18x8.5, 255/40 R18 ET40
19x8.0, 225/40 R19 ET27
19x8.5, 255/35 R19 ET40

[SP_M3]

The 330i xDrive will have the staggered setup - front vs rear axles

So my question now is...will I be able to mount 791M 19"x8.5" ET40 wheels with 255/35R19 at the front?
I would like to consider a summer setup with 255/35R19 (squared setup)

[HDClown]

See here: https://www.willtheyfit.com/index.ph...8-5&offset2=40

Seems like you would need a spacer given how much closer the wheel will be. You can look at your current wheel clearance to get an idea of how much there is to the caliper and the strut.

[clone1008]

https://www.wheel-size.com/calc/

[SP_M3]

Question on winter setup:

I know the winter is months ahead; however, it'll be close to Oct./Nov. when I take the delivery due to some logistic delay.

Has anyone driven their xDrive cars(sedan) on mild to heavy snow with staggered winter setup?
All my previous cars had squared setup. So I have no clue what to expect with a staggered setup.

My winter tyre options are Bridgestone Blizzak & Vredestein Winter Pro, or even Pirelli W.S. 3
I'd be open to one of the following wheel setups.

Option 1:
Fronts 18x7.5 ET25
Rears 18x8.5 ET40

Option 2:
Fronts & Rears 18x8.0 ET30 (or ET35)

Option 3:
Fronts 19x8.0 ET27
Rears 19x8.5 ET40

Option 4:
Fronts & Rears 19x8.0 ET27

Any recommendations?

[ssgm1x]

My suggestion for a X Drive G20

8.5" x 19 on a 245x35 front tire ET 32
9.5" x 19 on a 265x30 rear tire ET 32 to 42

[SP_M3]

After some research...I believe I'm going to go with the following staggered setup.

Fronts: 9"x19" ET27 with 255/35R19
Rears: 10"x19" ET40 with 295/30R19
Vossen HF-5 wheels (since they offer fully custom wheels).

ET25 on the fronts and ET35 on the rears would've given a much more aggressive appearance to the car; however, 25 & 35 result a positive scrub radii, which compromise the handling and steering response/system. Therefore, decided to settle for ET27 & ET40.

I don't like the oversized look with too much clearance between calipers and wheel IDs; hence, the 19"s.

I know the tyre widths are somewhat an overkill. So I'd appreciate any feedback/thoughts on my approach, before I place the orders.

[clone1008]

Originally Posted by SP_BIMMER

After some research...I believe I'm going to go with the following staggered setup.

Fronts: 9"x19" ET27 with 255/35R19
Rears: 10"x19" ET40 with 295/30R19
Vossen HF-5 wheels (since they offer fully custom wheels).

ET25 on the fronts and ET35 on the rears would've given a much more aggressive appearance to the car; however, 25 & 35 result a positive scrub radii, which compromise the handling and steering response/system. Therefore, decided to settle for ET27 & ET40.

I don't like the oversized look with too much clearance between calipers and wheel IDs; hence, the 19"s.

I know the tyre widths are somewhat an overkill. So I'd appreciate any feedback/thoughts on my approach, before I place the orders.

The recommended 19" size for your car is 19x8.5 front and 19x9.5 rear. This is from Vossen on the HF-5

[SP_M3]

Originally Posted by clone1008

The recommended 19" size for your car is 19x8.5 front and 19x9.5 rear. This is from Vossen on the HF-5

Thanks, you're correct on this one. Called them and I'm all set.

[LHVrc51]

Originally Posted by clone1008

The recommended 19" size for your car is 19x8.5 front and 19x9.5 rear. This is from Vossen on the HF-5

Any suggestion on the hf-5 19x9.5 all the way around on my 330i xdrive msport? Have an opportunity to pick up a really nice set from someone who had this set up on his 340, just not sure if they will work on my 330