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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 11-21-2013, 09:05 PM
Bigrob126 Bigrob126 is offline
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M Sports suspension question

My 328 has the M Sports suspension, and I was wondering if That option might include a limited slip differential. Is a LSD even offered? It seems my wheels , or wheel, spin rather easily when I get on the gas a little off the line. I have an auto trans. Tires are good. The Conti all season RF's that come with the car.
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  #2  
Old 11-21-2013, 10:09 PM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by Bigrob126 View Post
My 328 has the M Sports suspension, and I was wondering if That option might include a limited slip differential. Is a LSD even offered? It seems my wheels , or wheel, spin rather easily when I get on the gas a little off the line. I have an auto trans. Tires are good. The Conti all season RF's that come with the car.

Offered by BMW only on M3 - std equip there.

Your options:
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  #3  
Old 11-22-2013, 06:53 AM
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M Sports suspension question

Quote:
Originally Posted by Bigrob126 View Post
My 328 has the M Sports suspension, and I was wondering if That option might include a limited slip differential. Is a LSD even offered? It seems my wheels , or wheel, spin rather easily when I get on the gas a little off the line. I have an auto trans. Tires are good. The Conti all season RF's that come with the car.
No you don't have an LSD, and your tires may not be helping. My Conti run flats have nowhere near the stickiness as my wife's Michelin non-run flats.


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Old 11-22-2013, 07:57 AM
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I'd love to have LSD. I just can't afford it. Cal, is totally correct when he says the suspension can't keep up with JB4 or Dinan tunes. Way too much power for the normal sports suspension. I lose the rear end all the time.
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  #5  
Old 11-22-2013, 08:49 AM
Bigrob126 Bigrob126 is offline
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I have no plans to change the rear end, but I will definitely put on performance tires and get rid of the all seasons. Something nice and stickey!
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Old 11-22-2013, 11:24 AM
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An M sport option is only cosmetic. Suspension/setup identical to 328 with the sport suspension.
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  #7  
Old 11-22-2013, 11:37 AM
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If you like the Conties the DW is a good HP tire unless you need all season then its the DWS version is the next one down. The Michelin PSS is rated a bit higher overall for more money but don't think you would tax either one unless you were doing track days. I run the DW but these two are the only ones I would put on the car.
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  #8  
Old 11-22-2013, 02:04 PM
Bigrob126 Bigrob126 is offline
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Quote:
Originally Posted by Vanos4:12PM View Post
An M sport option is only cosmetic. Suspension/setup identical to 328 with the sport suspension.
I don't follow you. How would a suspension option be cosmetic?
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Old 11-22-2013, 02:21 PM
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M Sports suspension question

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Originally Posted by Bigrob126 View Post
I don't follow you. How would a suspension option be cosmetic?
ZSP package, aka sport package had a modified suspension.

M Sport package has no suspension changes.

M3 suspension is a wholly different animal altogether.


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  #10  
Old 11-22-2013, 02:36 PM
Bigrob126 Bigrob126 is offline
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Quote:
Originally Posted by bocabimmer View Post
ZSP package, aka sport package had a modified suspension.

M Sport package has no suspension changes.

M3 suspension is a wholly different animal altogether.


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So if I did not have the M Sports susp option, would there be a difference?
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  #11  
Old 11-22-2013, 05:36 PM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by Bigrob126 View Post
I don't follow you. How would a suspension option be cosmetic?

When it isn't a suspension mod. The "M Look" is strictly an expensive wannabe profit builder for Munich.

The truth is, the 335i/328i "Sport Suspension," though a distinct improvement over non-Sport, has issues. Look to the Real Deal....the Genuine Article....M3. There's major gain there - drive one - you'll feel big differences from the instant the car moves in 1st gear.

Better: Porsche
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  #12  
Old 11-22-2013, 06:17 PM
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BB_cuda BB_cuda is offline
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I thought an M sport and "standard" sport had the same suspension on an E90. My 335D msport sits lower than a standard non sport E90. Not argueing if i'm wrong just trying to square away the facts from fiction.
thx

Cal, i would love to convert over to your setup. At risk of stealing away the topic. Please comment on why you went wavetrac over quaife.
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  #13  
Old 11-22-2013, 07:09 PM
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Originally Posted by BB_cuda View Post
Cal, i would love to convert over to your setup. At risk of stealing away the topic. Please comment on why you went wavetrac over quaife.

Well, I had no experience with either. But Wavetrac was right here in California....Quaife across the Atlantic.

And, Sonic [installer] gave me a good price on Wavetrac - since I was travelling to LA, was able to pick it up - no freight charge.

Cool! Wavetrac's rep was good; they'd just prior machined that groove everyone was worried about, so, hey....still workin'....no worries....
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  #14  
Old 11-22-2013, 09:30 PM
Bigrob126 Bigrob126 is offline
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The main reason I inquired about tha, as I said, is the fact that my wheels slip rather easily off the line. With DTC on, the wheels start to slip and you get the big hesitation, as it kicks in, then you start accelerating again. Hate it!! What's even worse, and I've had a few other cars do this, is that when you turn off DTC, it's not totally off!! It still kicks in, but it's not as intrusive. Off should mean off! Anyway, thanks for all the info guys!
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  #15  
Old 11-23-2013, 06:42 AM
Illeagle Illeagle is offline
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M Sports suspension question

For DTC to be completely off, you have to hold the DTC button for about 5secs. When you do that, logo on dash will change into triangle in circle. For traction issues try maybe summer tires like others have stated like michelin ss or continental dw or dws. Just my .02 cents.


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  #16  
Old 11-23-2013, 07:10 AM
Bigrob126 Bigrob126 is offline
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DWs are what I am planning. Had them on previous vehicles and really liked them. I need to try the holding of the DTC button. My C5 Corvette had a similar function when turning off the traction control. Thanks!
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Old 11-23-2013, 07:38 AM
Tom K. Tom K. is offline
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Quote:
Originally Posted by Bigrob126 View Post
My 328 has the M Sports suspension, and I was wondering if That option might include a limited slip differential. Is a LSD even offered? It seems my wheels , or wheel, spin rather easily when I get on the gas a little off the line. I have an auto trans. Tires are good. The Conti all season RF's that come with the car.
Rob, I'm confused. The M sport package included the sport suspension and summer performance RFTs - either Bridgestone 050 or Michelin PS according to Tire Rack.

http://www.tirerack.com/tires/TireSe...&filterType=oe

How did your coupe manage to have the M Sport and OEM A/S tires?

At any rate, either the Conti DW or Michelin SS would seem to be a good choice.

Tom
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  #18  
Old 11-23-2013, 08:18 AM
Bigrob126 Bigrob126 is offline
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Quote:
Originally Posted by Tom K. View Post
Rob, I'm confused. The M sport package included the sport suspension and summer performance RFTs - either Bridgestone 050 or Michelin PS according to Tire Rack.

http://www.tirerack.com/tires/TireSe...&filterType=oe

How did your coupe manage to have the M Sport and OEM A/S tires?

At any rate, either the Conti DW or Michelin SS would seem to be a good choice.

Tom
I don't have the sport option. But my car has the "M Sports suspension" option. I have the base 17" wheels with Continental SSR or something, RF's. I believe these are OEM when I checked on TR.
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Old 11-23-2013, 08:32 AM
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Quote:
Originally Posted by KAP8 View Post
I'd love to have LSD. I just can't afford it. Cal, is totally correct when he says the suspension can't keep up with JB4 or Dinan tunes. Way too much power for the normal sports suspension. I lose the rear end all the time.
This^^ Suspension is no match for JB4 335. I normally turn DTC on, which means I push the DTC button once, during normal driving, to limit DSC intrusion, but whenever I want to launch hard, I turn everything off, (hold down on DTC button until large warning triangle appears), and feather the throttle until the car is rolling good. Since I'm not drag racing, poor launches are of little consequence given how quickly this car will overcome a poor start, however, if I were to just "stand on it", I would spend 3 seconds spinning while the other guy drives away!
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Old 11-23-2013, 09:58 AM
Tom K. Tom K. is offline
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Originally Posted by Bigrob126 View Post
I don't have the sport option. But my car has the "M Sports suspension" option. I have the base 17" wheels with Continental SSR or something, RF's. I believe these are OEM when I checked on TR.
Still confused as the sport suspension was standard on the coupe so neither of the sport packages altered the suspension. So what was included in the ""M Sports suspension" option, and how much was it? (I've only owned BMW 4 doors or 'verts and am not that familiar with the coupes.)

Nonetheless, the DW (or even DWS) or Mich. SS tires will be a nice upgrade for your 17" wheels.

Tom
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Old 11-23-2013, 10:34 AM
Bigrob126 Bigrob126 is offline
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[QUOTE=Tom K.;7973929]Still confused as the sport suspension was standard on the coupe so neither of the sport packages altered the suspension. So what was included in the ""M Sports suspension" option, and how much was it? (I've only owned BMW 4 doors or 'verts and am not that familiar with the coupes.)

Nonetheless, the DW (or even DWS) or Mich. SS tires will be a nice upgrade for your 17" wheels.

Tom[/QUOTE

I'm not the original owner and have no MSRP sticker. Not sure what the option consists of or what kind of cost would be involved. I only know of the option from the VIN check I reauested on the forum.
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Old 11-23-2013, 10:39 AM
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The DTC is always on. When the button is pushed once, it gives a little more lead way for slipping a little bit. When the button is pushed and held, it totally turns it off, thus, letting the wheels spin.
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  #23  
Old 11-23-2013, 11:13 AM
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M Sports suspension question

[QUOTE=Bigrob126;7974010]
Quote:
Originally Posted by Tom K. View Post
Still confused as the sport suspension was standard on the coupe so neither of the sport packages altered the suspension. So what was included in the ""M Sports suspension" option, and how much was it? (I've only owned BMW 4 doors or 'verts and am not that familiar with the coupes.)

Nonetheless, the DW (or even DWS) or Mich. SS tires will be a nice upgrade for your 17" wheels.

Tom[/QUOTE

I'm not the original owner and have no MSRP sticker. Not sure what the option consists of or what kind of cost would be involved. I only know of the option from the VIN check I reauested on the forum.
Sports suspension and M Sports suspension are the same:


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  #24  
Old 11-23-2013, 04:00 PM
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Originally Posted by twhisten View Post
The DTC is always on. When the button is pushed once, it gives a little more lead way for slipping a little bit. When the button is pushed and held, it totally turns it off, thus, letting the wheels spin.
Nope. DSC is always on. One push of the button turns DTC on, allowing minimal wheelspin. DSC allows zero wheelspin, DTC allows minimal wheelspin, and nannies off (warning triangle) means all bets are off!
http://www.bmw.com/com/en/insights/t...n_control.html
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Last edited by bighorns; 11-23-2013 at 04:03 PM.
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  #25  
Old 11-25-2013, 12:11 PM
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Vanos4:12PM Vanos4:12PM is offline
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Quote:
Originally Posted by Bigrob126 View Post
I don't follow you. How would a suspension option be cosmetic?
I didn't say that - an M sport package, not suspension is only cosmetic (steering wheel, bumper, dead pedal, door sill, gear shift, etc.) The suspension is identical to a 328 with the sports package. (ZSP)
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ED - 5.14.10
ED Drop off - 5.22.10
Car arrived in Brunswick, GA - 6.21.10
Released from Customs - 6.25.10
PCD Redelivery - 7.12.10

Picking up the car at the Welt: http://www.youtube.com/watch?v=R6Ulzi58u6I
My 140MPH A92 run: http://www.youtube.com/watch?v=DRej5VEQpmc



ED May 14, 2010

Last edited by Vanos4:12PM; 11-25-2013 at 12:18 PM.
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