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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > X-Drive owners...



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      06-08-2009, 10:24 AM   #1
tjnptel1
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X-Drive owners...

are your wheels staggered?
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      06-08-2009, 10:36 AM   #2
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mine aren't.... but I believe the sport package comes with staggered set up.
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      06-08-2009, 10:39 AM   #3
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mine aren't.... but I believe the sport package comes with staggered set up.
ok, so my question is, what's the benefit of an AWD car having a staggered set up?
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      06-08-2009, 10:47 AM   #4
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yes mine are. factory 189's came that way. After market Forgelines are staggered as well. Benefits, looks.
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      06-08-2009, 10:53 AM   #5
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yes mine are. factory 189's came that way. After market Forgelines are staggered as well. Benefits, looks.
what are the benefits besides looks to have a staggered set up when all 4 wheels are being driven?
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      06-08-2009, 10:59 AM   #6
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none? I don't have a clue. If your looking for the better handling car skip the x drive. Due to Mass winters x is a must for me.
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      06-08-2009, 11:04 AM   #7
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I have an 06 and it doesnt look staggered but then I never looked to close from front to back, and I to have bad winters, so I needed the x drive system
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      06-08-2009, 12:44 PM   #8
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Quote:
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I have an 06 and it doesnt look staggered but then I never looked to close from front to back, and I to have bad winters, so I needed the x drive system
If you have factory 18's they are staggered. If you have factory 17's they are not. Since you have an '06 you have probably purchased tires once for the car.
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      06-08-2009, 12:45 PM   #9
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There are tons of posts on this...
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      06-08-2009, 01:37 PM   #10
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335 xdrive does have rear wheel bias. I think it is 40:60 front:rear but I am not sure.

Mine was shipped with 189 staggered just like the non-xi 335s. Love the look!!!
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      06-08-2009, 01:51 PM   #11
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IMO the staggered setup is mostly for look/bragging rights in BOTH awd and rwd platforms, but yeah, especially in the awd cars
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      06-08-2009, 01:53 PM   #12
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Quote:
Originally Posted by tjnptel1 View Post
ok, so my question is, what's the benefit of an AWD car having a staggered set up?
Same benefit as a rwd or fwd car...

More tire = more grip, regardless of where the power goes. If a 255 would fit up front too, that would be great but it can't. So as long as the rolling diameter is close front to back, why not use as much tire as possible at each corner.
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      06-08-2009, 02:19 PM   #13
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Cool

I'm running staggered 235/35 - 275/30 on 19's with my E92 Xi mostly for looks...I have noticed a bit less of a steering response and i'm still trying to figure out why. Even though my new tires grip extremely well in the turns...I have to turn the steering wheel more each direction to get a response than I had to running my stock 17 inch set-up (non-staggered). Maybe it's just the combo of running such an aggressive set-up with AWD?? If someone else could verify or help give me a reason why It takes a bit more turning of the wheel to steer and why the steering would be less responsive overall, I'd appreciate it.

~ Chris ~

(PS- Running this set-up brings the speedometer to a much more accurate reading, which is neat)

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      06-08-2009, 03:53 PM   #14
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...I have noticed a bit less of a steering response and i'm still trying to figure out why. Even though my new tires grip extremely well in the turns...
What tires are you running?

Steering response is primarily a function of the sidewall stiffness of the tires, not the tread pattern or compound (reasons for good grip). The reason RFT's can run without air is that the sidewall can take the load/weight of the corner of the car rather than the entire tire contact patch ... that's seriously stiff. Non-RFT's, even low profiles, will have a more vague steering response due to more compliant sidewalls.

That said, my Falken's don't seem too much of a downgrade from the Conti's.

EDIT: Reread OP, sorry to jack thread ...
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      06-08-2009, 04:25 PM   #15
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Yea..I'm running Falken 452's as well. Given the information you just provided...and that I have 19's with tinyyy sidewalls...that's probably the reason I'm getting somewhat of a Vague steering response. You probably don't notice it as much because you're on 18's with a much less agressive set-up. O well, at least they grip well and stand out a Lot. haha Thanks for the info. man.
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      06-08-2009, 05:20 PM   #16
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ok, so my question is, what's the benefit of an AWD car having a staggered set up?

Yes

And the benefit is it looks cool And maybe a little bit more traction if you were really pushing it.
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      06-08-2009, 06:57 PM   #17
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Yes

And the benefit is it looks cool And maybe a little bit more traction if you were really pushing it.
I doubt it is just for look, the power distribution is 40/60 to help out the under steer feeling so I guess larger rear tire will help more for this too.

Check out the Porsche 911 turbo and lambos are awd and have staggered wheel setup ...

But I won't use staggered setup during winter for sure 205/50/17 is my setup
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      06-08-2009, 07:07 PM   #18
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My car looks exactly like yours, so yes the rear are staggered... that being said, im thinking of picking up another set of 162's, and running all 4 "Rears" as summers, and all 4 "Fronts" as winters
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      06-08-2009, 07:44 PM   #19
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I doubt it is just for look, the power distribution is 40/60 to help out the under steer feeling so I guess larger rear tire will help more for this too.

Check out the Porsche 911 turbo and lambos are awd and have staggered wheel setup ...

But I won't use staggered setup during winter for sure 205/50/17 is my setup
I guess you didn't recognize my sarcasm but do read the second portion of that sentence.

"And maybe a little bit more traction if you were really pushing it."

And correct me if I am wrong, but understeer is related to the front tires not tracking the intended direction of a turn. Whereas oversteer is when the rears slip outward in a turn. Seems a stagger with larger rear tires would improve the tendency to oversteer.
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      06-08-2009, 08:31 PM   #20
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Nope, non-staggered here.
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      06-08-2009, 09:24 PM   #21
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Quote:
Originally Posted by forza1976 View Post
I guess you didn't recognize my sarcasm but do read the second portion of that sentence.

"And maybe a little bit more traction if you were really pushing it."

And correct me if I am wrong, but understeer is related to the front tires not tracking the intended direction of a turn. Whereas oversteer is when the rears slip outward in a turn. Seems a stagger with larger rear tires would improve the tendency to oversteer.
So you are being sarcastic again, correct?
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      06-08-2009, 10:44 PM   #22
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Quote:
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are your wheels staggered?
Yes, I have 162's with 225/255's. Looks awesome IMHO.
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