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[K111S]

Hey guys just needed some tips on if changing my current wheels (235/40/18) with square setup to staggered set up (front - 225/40/18 and rear - 265/35/18) would cause any problems for my 2007 328XI Coupe. I do have HR lowering springs on it so I would appreciate any help regarding fender rolling, in case I have to do that with the new setup. Or should it be fine without rolling? My other option is the go with 235/40/18 front and 255/35/18. Please let me know which would look and perform best. Thank you.

[zipstic]

Originally Posted by karmsidhu

Hey guys just needed some tips on if changing my current wheels (235/40/18) with square setup to staggered set up (front - 225/40/18 and rear - 265/35/18) would cause any problems for my 2007 328XI Coupe. I do have HR lowering springs on it so I would appreciate any help regarding fender rolling, in case I have to do that with the new setup. Or should it be fine without rolling? My other option is the go with 235/40/18 front and 255/35/18. Please let me know which would look and perform best. Thank you.

You haven't posted the wheel offsets so it's impossible to know if you need to roll your fenders.

[floydarogers]

Originally Posted by karmsidhu

... staggered set up (front - 225/40/18 and rear - 265/35/18) would cause any problems for my 2007 328XI Coupe...

That's not the factory, and is running right up close to the 1% recommended difference in f/r sizes (factory rear is 255/35R18). Probably work, but ... there's a reason that square setups are preferred on xDrive cars.

[FastCarGuy]

Originally Posted by floydarogers

That's not the factory, and is running right up close to the 1% recommended difference in f/r sizes (factory rear is 255/35R18). Probably work, but ... there's a reason that square setups are preferred on xDrive cars.

I wonder why do they do that on 3,5 series while the X5 always comes staggered....

[MassBimmer]

Originally Posted by FastCarGuy

I wonder why do they do that on 3,5 series while the X5 always comes staggered....

No they don't...

OP, the stock tire sizes 225/40/18 & 255/35/18 are best. If you want to go up a size, 235/40/18 & 265/35/18 would be better for your xDrive system than 225/40/18 & 265/35/18 as the difference in rolling diameter is smaller.

[gtaccord]

Originally Posted by MassBimmer

No they don't...

OP, the stock tire sizes 225/40/18 & 255/35/18 are best. If you want to go up a size, 235/40/18 & 265/35/18 would be better for your xDrive system than 225/40/18 & 265/35/18 as the difference in rolling diameter is smaller.

What he said.

[coupegt]

Originally Posted by floydarogers

That's not the factory, and is running right up close to the 1% recommended difference in f/r sizes (factory rear is 255/35R18). Probably work, but ... there's a reason that square setups are preferred on xDrive cars.

just a question to all, is a squared set up really better for the xdrive then staggered ????