[Needsdecaf]

OK, I've got a question. It's really been bugging me. I've read so many different combinations of spacers. And usually with most cars there seems to be a rough consensus of front to rear, just a matter of how aggressive do you want to get.

But on the G8X it seems like no one is consistent. 15F/12R. 12F/15R. 10F/12R and so on.

Why can't we even agree on whether the front needs more than the rear? I get there is a difference between the Michelins and Pirellis. Is there a difference between G80 and G82? Between RWD and xDrive?

I've got the 15/12 from R44 and haven't put them on yet. Because, well, my car gets built this week. LOL.

Thanks!

[PeteTheMailman]

Pretty sure it really is mostly down to which tires. I have michelin and 15f/12r with eibach front springs and like the look. But locals with Pirelli would rub. Model has no bearing as far as I've seen

[chris3g]

If the goal is flush as possible to the fender I’m not sure how anyone could look at it and think the rear should have a bigger spacer. Beyond that some people may just prefer a particular look. 18f / 15r is “ideal” but will probably rub a good bit. 15f / 12-13r is a good compromise with Michelins but you will need to mod the front fender well for pzeros. 12-13f / 10r is safe, might still lightly rub with pzeros in reverse full lock but very minor.

Should be the same across the platform for the most part, g80 and g82 have slightly different oem ride heights but most people installing spacers are lowering anyway. Rwd and xdrive are the same, I’ve personally owned both and found no difference.

[RACE M3]

Some like a minimal poke, some are planing up upsize tires and leave room, others just like a little more.

It’s like pants. Skinny jeans, loose, or baggy.

I have 18/15 with 4s no rubbing. Pirelli guys can fit the setup with trimming or let nature run its course and have the tire make room.

I didn’t plan on buying wheels, but I’m an idiot and just ordered square 827m with square 285s. Now I gotta figure out if I need 10 or 12 or possibly be able to swap my 18 and 15s.

Search Ind spacer. They have the best pictures in that thread.

[mike@x-ph.com]

I have 15mm all around; in my opinion, that's the best look.

I got the RPK fender clearance so that I could go 18mm, but it's too much, in my opinion.

I prefer bigger spacers in the front or the same all around for a more flush look.

[Matt@Evolve]

15/12 is our recommendation for most customers.

[Needsdecaf]

Originally Posted by Matt@Evolve

15/12 is our recommendation for most customers.

I have your stance kit. Waiting for a car to install it on.

With that spring and 15 front spacer, if I end up with Pirellis, do you think I'll have to modify the fender to get them to fit?

[50shadesofhockenheim]

Rear 15mm 100% best fitment on stock wheels. Front is debatable because of the fender liner fins. I ran 18mm front on stock wheels.

[Matt@Evolve]

Originally Posted by Needsdecaf

I have your stance kit. Waiting for a car to install it on.

With that spring and 15 front spacer, if I end up with Pirellis, do you think I'll have to modify the fender to get them to fit?

Good to be prepared! You’ll most likely have a little contact, we don’t see many Pirelli’s in the U.K., at least through our doors.

[forcefed]

Originally Posted by Needsdecaf

But on the G8X it seems like no one is consistent. 15F/12R. 12F/15R. 10F/12R and so on.

Everyone has different taste, some like the tires to poke out more some like it less, don't see what the issue is. Same with springs, some like it lower than others, it's your choice not mine.

[tom @ eas]

Originally Posted by Needsdecaf

OK, I've got a question. It's really been bugging me. I've read so many different combinations of spacers. And usually with most cars there seems to be a rough consensus of front to rear, just a matter of how aggressive do you want to get.

But on the G8X it seems like no one is consistent. 15F/12R. 12F/15R. 10F/12R and so on.

Why can't we even agree on whether the front needs more than the rear? I get there is a difference between the Michelins and Pirellis. Is there a difference between G80 and G82? Between RWD and xDrive?

I've got the 15/12 from R44 and haven't put them on yet. Because, well, my car gets built this week. LOL.

Thanks!

No difference between xDrive and RWD platforms. For recommended fitments on stock platforms:

Michelin equipped: 15F/12R
Pirelli equipped: 10F/12R

You can go a bit wider if you're prepared to do a bit of trimming on the fender liner vents. Otherwise, its best to stick with the above recommendations.

Apart from this, it can also depend on a variety of different variables such as suspension setups (springs vs HAS vs coilovers), wheel/tire setups, among other things like driving styles & road conditions. Some will have different opinions on what is aggressive vs not. For spacers, we recommend and only use Macht Schnell spacers/hardware.

[Info@mad-us.com]

MAD's Fitment Recommendation:

M3/M4 Stock Height

Michelin Tire Equipped: Aggressive -15F/12R Mild- 12F/12R
Pirelli Tire Equipped: Aggressive 10F/12R Mild -10F/10R

[Soylent]

For my M4 lowered with 4s on MSS i have 15F/15R no rubbing. For front to match the rear it would need the 18 but then you need the heat gun and mallet.

[Needsdecaf]

Originally Posted by tom @ eas

No difference between xDrive and RWD platforms. For recommended fitments on stock platforms:

Michelin equipped: 15F/12R
Pirelli equipped: 10F/12R

You can go a bit wider if you're prepared to do a bit of trimming on the fender liner vents. Otherwise, its best to stick with the above recommendations.

Apart from this, it can also depend on a variety of different variables such as suspension setups (springs vs HAS vs coilovers), wheel/tire setups, among other things like driving styles & road conditions. Some will have different opinions on what is aggressive vs not. For spacers, we recommend and only use Macht Schnell spacers/hardware.

Originally Posted by Info@mad-us.com

MAD's Fitment Recommendation:

M3/M4 Stock Height

Michelin Tire Equipped: Aggressive -15F/12R Mild- 12F/12R
Pirelli Tire Equipped: Aggressive 10F/12R Mild -10F/10R

So that's the issue then. The tires are THAT different between brands. Dang.

[RDG80M3X]

Everyone has different preferences but a lot of it comes down to the tire fitted from the factory. I’m lowered on MPHAS with Pzeros and preferred to maintain the OEM stagger/stance so I went with 12mm F/R with trimmed fender vents. When the Pzeros wear down I’m going with PS4S and will switch to 15mm F/R at that time. Picture for reference.

[Needsdecaf]

Originally Posted by RDG80M3X

Everyone has different preferences but a lot of it comes down to the tire fitted from the factory. I’m lowered on MPHAS with Pzeros and preferred to maintain the OEM stagger/stance so I went with 12mm F/R with trimmed fender vents. When the Pzeros wear down I’m going with PS4S and will switch to 15mm F/R at that time. Picture for reference.

There was no pic attached. I ended up with Pirellis and have the 15/12 set. I'm going to be lowering the front with the Eibach sports. For sure the Pirellis on now will be the last time this car wears Pirelli rubber. Michelins or Contis will go on after these are worn.

So not sure what to do for now...

[RDG80M3X]

Originally Posted by Needsdecaf

There was no pic attached. I ended up with Pirellis and have the 15/12 set. I'm going to be lowering the front with the Eibach sports. For sure the Pirellis on now will be the last time this car wears Pirelli rubber. Michelins or Contis will go on after these are worn.

So not sure what to do for now...

My apologies, I submit the post with an attachment but guess it didn’t go through. MPHAS with full drop of 20mm up front and 10mm in the rear.

Agreed on the Pirellis. Right now im at 5/32 so that time can’t come soon enough. I think it’ll look great with the Eibach fronts and 15/12 spacer set up. Although if you are set on springs I’d maybe consider the newly released full F+R Eibach kit

[NicolasB]

I bought 15F/13R, figuring I would get Michelin, and of course it arrived with Pirellis. Think I will keep the 13 for rear and maybe do a 12 front. Will be lowered on H&R sport springs.

[Needsdecaf]

Originally Posted by NicolasB

I bought 15F/13R, figuring I would get Michelin, and of course it arrived with Pirellis. Think I will keep the 13 for rear and maybe do a 12 front. Will be lowered on H&R sport springs.

Yeah, I might have to pick up a set of 10's or 12's for the front.

[Berzerker]

Originally Posted by Needsdecaf

Yeah, I might have to pick up a set of 10's or 12's for the front.

I had to cut some of the vent fins on the liner when I had my Pirelli's using 12mm.

I hear 10mm doesn't have any rub issues but I just cut them anyway, wasn't that big of a deal.

You can also buy an Enhanced Clearance liner from IND but those aren't too cheap :P

[Jax327]

What setup would you run if you have Continental's DWS? Im running them for fall/winter then switching over to my Pzeros

[Berzerker]

Originally Posted by Jax327

What setup would you run if you have Continental's DWS? Im running them for fall/winter then switching over to my Pzeros

I'd be willing to bet not many have done the proper testing since it's not a commonly used tire in the G8x community.

Start with 12 and see if you get any rubbing, go to 10 if you do.

You shouldn't have any issues with 12 or 15 in the rear.