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      12-06-2012, 02:33 AM   #111
KyleBerg
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Quote:
Originally Posted by RPM90 View Post
I wonder if the M perf dampers are actually better than the M adaptive dampers? .... I'll be very interested in reading descriptions from F30 owners who have the M adaptive and then switch to the whole M perf setup.
+1
Definitely interested in this as well!
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      12-06-2012, 10:32 AM   #112
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Originally Posted by RPM90 View Post
Does your 335i have the M adaptive suspension?
No, I purchased a no-line because I intended to upgrade the suspension to my specs. Seemed like a waste to me.
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      12-06-2012, 10:41 AM   #113
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Quote:
Originally Posted by bmrm396 View Post
oh god, lol (i shouldnt laugh but man this is ridiculous now). what month production is ur car? lets see if we can start to limit a time period here for these "rust cars"
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Originally Posted by justinnum1 View Post
so my car might have rust under the seat? lmao!

my car was produced sepember 1-10 time frame
Yeah it's so f'ed up. $50k and this is the QC?!?!

January 1 build, Munchen. Go figure...the dealer is like so confused about what to do with me. With this suspension drama and now this, they're being patient but i'm getting annoyed.

5 hours before I pick up!
Shiv
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      12-06-2012, 12:27 PM   #114
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Quote:
Originally Posted by shivaswrath View Post
Yeah it's so f'ed up. $50k and this is the QC?!?!

January 1 build, Munchen. Go figure...the dealer is like so confused about what to do with me. With this suspension drama and now this, they're being patient but i'm getting annoyed.

5 hours before I pick up!
Shiv
we expect a write up by 3pm!
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      12-06-2012, 01:34 PM   #115
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Same cluster fuck between BMW and BMWNA as with E90 perf susp! That took over a year to get straightened out. I'd wait a year until BMW gets it right.
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      12-06-2012, 03:50 PM   #116
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Originally Posted by shivaswrath View Post
Still in shop...they're done with install tmrw morning, and are trying to sort out...(you'll all laugh), why there's RUST UNDER MY SEAT?!?!?!

Love BMW QC...
Shiv,

Any luck on the part #'s?
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      12-06-2012, 05:19 PM   #117
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ITS ALMOST 2:30 commmmmmmmmmmme onnnnnnnnnnnnnn ... write up, write up, write up!

btw its not that im obsessed with this susp kit, its just that im in a time crunch to make this decision on my own before i hop into a car, so gotta know initial impressions
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      12-06-2012, 06:19 PM   #118
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Ok guys, car is in hand (FINALLY!)
Spring part numbers:
Front: 31-33-6-851-922
Rear: 33-53-6-851-930
Correct Front Sway bar:
Front: 31-35-6-792-119

Impressions:
PLANTED. That's all I could tell, it's traffic time in Stamford-Norwalk-Ridgefield CT, so I'm stuck on Rte 7 and 15 driving the speedlimit and unable to really get a feel for it.

With that said, over bumps, the rebound is acceptable - not to stiff.
Cornering on the street, it's planted. Body roll is minimal - this is WITH winter tires on, so I'm sure with the staggered summer setup, I'll be back at my Evo level of suspension joy, without the harshness.

Daily driving comfort is hardly changed at all. . . I honestly still wonder if they installed the parts. I've taken pictures, but then my f$%$& iphone died, so I'll upload them to this post when I get home later tonight after class.

Visually, it's maybe a 0.5" drop max? Springs take a few hundred miles to "settle", so I'll upload the pictures I took tonight in the garage...it's not ghetto, it's just right. Wish it would've come from the factory this way.
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      12-06-2012, 09:21 PM   #119
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nice. lookin forward to some pics - "wishin it came from the factory this way" is exactly what i was hopin to hear. so by planted, ur sayin it rides on rails but still comfortable over the bumps ya?
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      12-06-2012, 09:58 PM   #120
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Thumbs up 2012 335i with M Perf Suspension Spring/Struts - Pictures







Pics!

Note, suspension hasn't settled, so this has a few millimeters to go...
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      12-06-2012, 10:06 PM   #121
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Quote:
Originally Posted by bmrm396 View Post
nice. lookin forward to some pics - "wishin it came from the factory this way" is exactly what i was hopin to hear. so by planted, ur sayin it rides on rails but still comfortable over the bumps ya?
So I had a chance to rail on it on the way home, there wasn't any traffic, plenty of quick turns, merges, etc.

First impression carries: PLANTED. The ARB's give me a little more leverage in kicking the tail out (dangerous, I know, on snow tires); the dampening and rebound keep the body roll in check.

Pertinent negatives: the rebound rate at speeds above 80mph can be...bouncy. There are a lot of road imperfections in CT and It's def noticeable when traveling fast (I was going between 80-105mph). Now, I didn't notice this at legal highway speeds, so do withit what you will.

Would I spend $2900 in parts+labor to do it again? Probably...is it better than checking off a $1,000 adaptive suspension or $1800 more in the M Package? Unsure, haven't tried either.

Bear in mind, my last performance sedan was a Mitsu Evo VIII - that suspension was STIFF. This is 2 notches below an M3.

Quote:
Originally Posted by bananachipz View Post
Shiv,

Any luck on the part #'s?
Spring part numbers:
Front: 31-33-6-851-922
Rear: 33-53-6-851-930
Correct Front Sway bar:
Front: 31-35-6-792-119
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      12-06-2012, 11:12 PM   #122
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whoa dude, the rear looks like its jacked up. front looks good but is it just the pic or does that rear gap look like i could stick my fist in there? not exactly what i was expecting ... i will be getting the msport so shouldnt have to deal with the sway bar issue, just hoping for a stiffer more planted ride and a tiny drop over stock
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      12-07-2012, 12:08 AM   #123
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OP what size are your wheels? 17s?
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      12-07-2012, 07:59 AM   #124
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Quote:
Originally Posted by bmrm396
whoa dude, the rear looks like its jacked up. front looks good but is it just the pic or does that rear gap look like i could stick my fist in there? not exactly what i was expecting ... i will be getting the msport so shouldnt have to deal with the sway bar issue, just hoping for a stiffer more planted ride and a tiny drop over stock
Weird right?!
It's actually less gap then before.

The winter tires really throw off the look.

Wheels are 396-18x8 with 225/45 winter rubber on (lm60).
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      12-07-2012, 09:28 AM   #125
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Quote:
Originally Posted by shivaswrath View Post
So I had a chance to rail on it on the way home, there wasn't any traffic, plenty of quick turns, merges, etc.

First impression carries: PLANTED. The ARB's give me a little more leverage in kicking the tail out (dangerous, I know, on snow tires); the dampening and rebound keep the body roll in check.

Pertinent negatives: the rebound rate at speeds above 80mph can be...bouncy. There are a lot of road imperfections in CT and It's def noticeable when traveling fast (I was going between 80-105mph). Now, I didn't notice this at legal highway speeds, so do withit what you will.

Would I spend $2900 in parts+labor to do it again? Probably...is it better than checking off a $1,000 adaptive suspension or $1800 more in the M Package? Unsure, haven't tried either.

Bear in mind, my last performance sedan was a Mitsu Evo VIII - that suspension was STIFF. This is 2 notches below an M3.


Spring part numbers:
Front: 31-33-6-851-922
Rear: 33-53-6-851-930
Correct Front Sway bar:
Front: 31-35-6-792-119


this is weird. BMW Canada is saying I need different springs to maintain the50/50 when used with the M Performance kit. According to them, the springs you've listed are option 704 springs (sport suspension), and when they look in the ETK for the springs with M Performance, it comes up with 621 and 630, not 922 and 930.... They even showed me screenshots of the ETK catalog. When 704 (sport suspension) is chosen, your above springs are indicated. When "BMW Performance" is selected instead of 704, 621 and 630 are indicated. I'm mobile, but can pm you the pics later.

Last edited by bananachipz; 12-07-2012 at 09:35 AM.
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      12-07-2012, 09:57 AM   #126
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Quote:
Originally Posted by bananachipz
Quote:
Originally Posted by shivaswrath View Post
So I had a chance to rail on it on the way home, there wasn't any traffic, plenty of quick turns, merges, etc.

First impression carries: PLANTED. The ARB's give me a little more leverage in kicking the tail out (dangerous, I know, on snow tires); the dampening and rebound keep the body roll in check.

Pertinent negatives: the rebound rate at speeds above 80mph can be...bouncy. There are a lot of road imperfections in CT and It's def noticeable when traveling fast (I was going between 80-105mph). Now, I didn't notice this at legal highway speeds, so do withit what you will.

Would I spend $2900 in parts+labor to do it again? Probably...is it better than checking off a $1,000 adaptive suspension or $1800 more in the M Package? Unsure, haven't tried either.

Bear in mind, my last performance sedan was a Mitsu Evo VIII - that suspension was STIFF. This is 2 notches below an M3.


Spring part numbers:
Front: 31-33-6-851-922
Rear: 33-53-6-851-930
Correct Front Sway bar:
Front: 31-35-6-792-119


this is weird. BMW Canada is saying I need different springs to maintain the50/50 when used with the M Performance kit. According to them, the springs you've listed are option 704 springs (sport suspension), and when they look in the ETK for the springs with M Performance, it comes up with 621 and 630, not 922 and 930.... They even showed me screenshots of the ETK catalog. When 704 (sport suspension) is chosen, your above springs are indicated. When "BMW Performance" is selected instead of 704, 621 and 630 are indicated. I'm mobile, but can pm you the pics later.
Please don't tell me they installed the wrong springs lol...oh well.
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      12-07-2012, 10:10 AM   #127
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Originally Posted by shivaswrath View Post
Please don't tell me they installed the wrong springs lol...oh well.
At this point, I don't trust anyone. PM me your email if you want and I'll send you the screenshots later today.
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      12-07-2012, 10:12 AM   #128
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Originally Posted by shivaswrath View Post
Please don't tell me they installed the wrong springs lol...oh well.
Shiv: what was the rear sway bar part #?
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      12-07-2012, 10:36 AM   #129
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Quote:
Originally Posted by av98
Seems that the non-sport (base) model F30s need to upgrade the front & rear roll bars along with the springs. Also the M Performance package (struts + accessories) doesn't include springs.

If you already have an M-Sport/Sport, then all you have to upgrade are the springs & struts. The M-sport and Sport models include the f & r roll bars.

The M Performance springs currently don't have any part #s.

For 328i/335i Base, Luxury, and Modern:
You need the Strut Kit = 33502320981 - http://www.bmwpartspros.com/partloca...subcat3=193424 $1500 list, online for $1100-1200
You need the Spring kit = NA, Approx $600-800
You need the M SPORT Front and Rear Anti Roll Bars= F- 31356792125 & R- 33556853474 (328i part#s only, but 335i are listed with the same part #, which is incorrect; need to find out from dealer what the correct part #s for the 335i are), Approx $200-300

FOR 328i/335i M-SPORT/SPORT owners:
You need the Strut Kit = 33502320981 - http://www.bmwpartspros.com/partloca...subcat3=193424 $1500 list, online for $1100-1200
You need the Spring Kit = NA, Approx $600-800

Note: The part #s for the 328i & 335i may be different for the roll bars & springs.
Here are the part numbers banana...
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      12-07-2012, 06:08 PM   #130
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OK so check that against this. this was sent to me by a good guy who ill be soon getting my car from (hopefully). anyway, compare part #s and also notice it specifically mentions yellow springs ... Shivas, if ur car doesnt have yellow springs (which i dont see) then u got dupped my friend.

btw my car will be msport so notice i dont need a new sway bar here.
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      12-07-2012, 06:37 PM   #131
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Quote:
Originally Posted by bmrm396 View Post
OK so check that against this. this was sent to me by a good guy who ill be soon getting my car from (hopefully). anyway, compare part #s and also notice it specifically mentions yellow springs ... Shivas, if ur car doesnt have yellow springs (which i dont see) then u got dupped my friend.

btw my car will be msport so notice i dont need a new sway bar here.
they are black...but bear in mind, I got them for free, and I'm ok with it how it rides right now...importantly, those springs aren't for the F30 though, they are for the previous gen kit...
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      12-07-2012, 08:05 PM   #132
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The US BMW site, under M performance suspension, doesn't show that option/suspension as available.

The standard sport/M sport suspension is 10mm lower than the standard suspension. IIRC the M Performance suspension is supposed to be 10mm lower on top of the sport, so a total 20mm drop from standard non sport suspension.
Your picts look like you have the wrong springs. That car sits like it's an Xdrive. Do the springs look new to you?
Did they give you the OEM springs?

Ride height/drop is dictated by the springs, not the dampers.
So it may be that you got sport/Msport springs with M Performance dampers.
That will work, but you now may be under sprung and over damped.
Can't say for sure as we don't know if the M performance dampers have any firmer damping than the M adaptive dampers, which also use the sport/Msport black springs.

I'm looking into M Perormance springs to go with my M adaptive dampers.
If those are the sport/Msport springs along with the M Performance dampers you should notice a big difference in handling compared to the non sport standard springs and dampers.

Last edited by RPM90; 12-07-2012 at 08:16 PM.
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