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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 05-16-2013, 01:44 PM   #21
E46 WOT
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Quote:
Originally Posted by jabela View Post
Ok, do you know what your alignment is set to?


Thanks. Looking forward to what you find works for the track/autox.
It's factory rear and front except the front camber is -3, I have the sheet in my car, I'll post a picture of that as well. To get less negative camber working with the plate up top is necessary and the tire shop didn't understand it so I went with as far as they could play without using it.
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 05-23-2013, 01:50 PM   #22
E46 WOT
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My Ride: 2004 M3 SMG
Around town and highway review

I wanted to give a street review now that I've been on the suspension for a few weeks. I've noticed the "harshness" of bad potholes and bridge joints that aren't even with the road have softened some as I've been able to put over a thousand miles on the system. Which by the way, if you're a civil engineer, and the best you can do is get a bridge to meet the road an inch and half higher than the road, you suck!!!

So don't be thrown by some initial bad bumps, it does get better.

I've also been getting record gas mileage. On an all highway tank I averaged 26.88mpg and on a city tank with 90 miles of highway I got 20mpg. I've never observed fuel economy as good as this, maybe lowering it improved aerodynamics and thus fuel economy?

I haven't played around with the shock adjustments much yet, I've ran all the settings in 20% incrimints and you can definitely tell a difference dropping from 60% stiff down to 40% stiff and from 40% down to 0%. I've been getting some understeer on exit ramps that I play around on because you can go the speed limit but corner pretty hard when there's no traffic, I've adjusted the front shocks 20% stiffer than the rears and that's helped, but I haven't really set the time aside to figure it out completely. That's what I'll do at VIR this Sunday.

So the track review should be posted next week along with some video if I can lay down some clean laps amidst SVT Superfest. The last time I checked there's 6 Corvettes, another BMW, a 350Z, and 111 Mustangs lol. I ran with some of them in January at a TCUSA event, should be lots of fun!

I also have the Bimmerworld intake boot going on Saturday http://store.bimmerworld.com/bimmerw...6-m3-p924.aspx it's my first "motor mod."

And my Hankook R-S3's are now mounted on the Bimmerworld edition Apex Arc-8 in 18x9.5 et35 all around. http://store.bimmerworld.com/apex-ar...els-p1901.aspx I have 245/40/18 up front and 265/35/18 in the rear, in the future when I go thru these I'll run 265 square. I'm also putting on the wheel stud kit http://store.bimmerworld.com/bimmerw...age-p1350.aspx I take my wheels off and on so much now between brake bleeds, brake pad and rotor swap for the track, and now a dedicated set of track wheels, it's about time!
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 05-27-2013, 09:03 PM   #23
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Track review and video in post 8!
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 05-30-2013, 07:18 PM   #24
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Any pics of what the bump stop looks like? How large are they compared to stock, and how hard?
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Old 05-31-2013, 06:35 PM   #25
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Originally Posted by jabela View Post
Any pics of what the bump stop looks like? How large are they compared to stock, and how hard?
I don't think I took any before install. You're referring to the rubber piece on top of the shock body right? I should have the wheels off soon to take my track pads/rotors off so I'll take a pic and up load it.
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 05-31-2013, 06:42 PM   #26
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I also realized I didn't upload pics of the strut tower and how the camber plates angle.

And here's the alignment before and after, we didn't use the camber plates at all.

And a pic of the Bimmerworld intake boot, just to give you first timers a tip that wasn't given to me, you will probably need to trim the smaller end that meets the air box. Mine was too long out of the box, made me go insane trying to fit that before the trimming.
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 05-31-2013, 06:45 PM   #27
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Here's the BW Apex Arc-8 in 18x9.5 ET35 with my Hankook's on the car and then after the track day. The brake dust literally just wipes off. I sprayed them with water but it didn't really do anything, so I just took a towel and hit every corner and they are brand new again. The coating is awesome!!!
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 06-09-2013, 04:53 PM   #28
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So I finally got around to reviewing data this afternoon with my buddy as we waited for the Canadian F1 race to start.

My 4th session times were 2:22 behind the 5.0, then 2:18.9, 2:19.1, 2:18.8, 2:18.6 chasing the Leguna Seca 302.

What's encouraging but also discouraging is that the Solo DL had a hypothetical best combined lap of all the sections of a 2:17.54. Encouraging that I could be running over a full second faster, discouraging that my consistency was outside of that full second faster.

Continuing the street review, the shocks keep getting softer from a ride quality sense. My wife even commented yesterday that the car seemed much softer than directly after install, so once again: Don't be thrown by the initial harshness of the setup, it WILL MELLOW!

My next plot is to get my car in the hands of Jason Crist, James Clay, or Mike Skeen for some REAL data acquisition.

I'll keep everyone posted of any ongoing developments, as of now I don't have any scheduled track days this summer (hopefully that might change) so I'll keep updating street quality for everyone interested in these as a DD alternative to lowering springs and Koni's.
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 06-09-2013, 05:11 PM   #29
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Quote:
Originally Posted by jabela View Post
Any pics of what the bump stop looks like? How large are they compared to stock, and how hard?
Sorry for the delay, here's the rear bump stop, not sure how they compare to stock as I don't have the oem's any more. In terms of how hard are they, I'd say before I installed this system, if my oem shocks would bottom out the result would be it feeling like the frame of my car got punched or like I had no suspension at all and the body of the car took the full force of the bump/pothole/whatever. Now, because this happened to me with some brake wrinkle on the way home, instead of feeling like the car just got rocked, the car hops. Hope that makes sense.

Also, here are my brakes after this last time at VIR, think they got hot!?
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter

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Old 07-11-2013, 05:41 PM   #30
jabela
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So I ended up buying this kit too. Looking forward to installing it.

It came nicely packages double cardboard boxes, then bubble wrap.
I think I have everything I need.
Looks like Bimmerworld also threw in some German gummy bears. Yum!

Here's some pics I took of the "unboxing".
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Old 07-14-2013, 01:09 AM   #31
E46 WOT
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Quote:
Originally Posted by jabela View Post
So I ended up buying this kit too. Looking forward to installing it.

It came nicely packages double cardboard boxes, then bubble wrap.
I think I have everything I need.
Looks like Bimmerworld also threw in some German gummy bears. Yum!

Here's some pics I took of the "unboxing".
I agree that the packaging from Bimmerworld was above reproach with mine too. Glad to see you selected this system to start with. PM me with any questions and I'll be happy to give you my phone number in-case you have any live install questions.

I got those too, You have to appreciate James Clay's humor: The way I figure it being a financial advisor myself, is Bears attack down, just like parts from Bimmerworld help you attack to get lower lap times!
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter

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Old 07-14-2013, 02:45 AM   #32
jabela
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Thanks for the offer, will definitely give you a shout if I need anything.
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Old 07-14-2013, 08:12 PM   #33
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Did the rears, just doing the fronts now. Any idea how far from the bottom of the shock the height ring is set at? (you said the rear was 1.5 in)
Thanks.
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Old 07-15-2013, 05:13 PM   #34
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Did the rears, just doing the fronts now. Any idea how far from the bottom of the shock the height ring is set at? (you said the rear was 1.5 in)
Thanks.
If you are talking about the front shocks, take the bottom ring all the way down and have the top two 6 threads up, use the picture on the first page as a reference.
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 07-15-2013, 08:27 PM   #35
jabela
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Originally Posted by E46 WOT View Post
If you are talking about the front shocks, take the bottom ring all the way down and have the top two 6 threads up, use the picture on the first page as a reference.
OK, I currently have it set 2 inches from the bottom of the shock, which is way too high.
Currently my ride height is 14" in the front and 13" in the rear, measured from the center of the wheel hub to the fender. I'm going to lower it, not sure what I should be aiming for just yet.
Are you able to measure yours from the hub to fender?

One thing I did differently was to reuse the rear spring pads, as suggested in other threads. This should help to isolate some noise, but you'll have to lower the adjuster to account for the extra height.

You can also see I set the camber plates in the what I think they should be, with the grooves pointing towards the outer front corner of the car (which will gain you camber and caster when moved in), whereas yours are pointing towards the middle of the front of the car (which will gain camber and lose caster, or vise versa).

I also mangled my sound insulation on the rear wheel well when I tried to pull it back. It's super brittle, so don't try that. Instead, just make a hole above the shock mount.
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Old 07-15-2013, 08:54 PM   #36
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One more thing I don't think has been mentioned yet, is that ISC recommends 5mm of preload to the front springs. They're 180mm long at rest, so they should be 175mm preloaded. That should prevent any noise and odd handling characteristics.
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Old 07-18-2013, 04:19 PM   #37
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Make some adjustments.
Front/rear are now 12.5" wheel hub to fender. I think this is a bit too low for my tastes. I'm going to raise the front to 13".
The front feels good. Camber is probably 2.5 to 3 degrees. I may reduce it a bit to 2.5 if it's much more than that.

I currently have the front at 6 clicks from soft and the rear at 4 clicks. So that's about 19% front and 12.5% rear. I started at 0% front/rear and this is better, but I'm still playing around with it.

One issue I have is that the rear clunks on road imperfections. I'm not exactly sure if it's fully compressing, or fully extending the shock, or maybe it's the spring?
I don't think I had this before I lowered it, so that suggests that it's fully compressing. I'm going to try shortening the shock body.
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Old 07-18-2013, 10:00 PM   #38
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Here's a few pics of my camber plates, set to max camber/cast by moving the inner bolts to the middle hole of the plate.
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Old 07-20-2013, 12:27 PM   #39
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Sorry I hadn't been on in a while. Do you still want measurements? if so could you take a picture of what you mean and how you are measuring? I used the seam where the side skirt meets the body at the wheel well so I want to make sure I give you an apples to apples.

The camber plates look correct.

I got some clunking initially too, I think it's just the shocks breaking in because I don't have any now. Or you have the shock body too short and it's bottoming out of travel under compression. Did you jack up the rear hub to it's maximum height to make sure there was still an inch and a half of shaft to the rubber stop? That's what we did to make sure we'd never fully compress the shocks. Shoot me a PM so I get an alert on my phone if you have any time sensitive questions, I don't want to miss something by simply not checking the thread if you need help.
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2004.5 M3 SMG
CF CSL Trunk, CSL replica bumper, 18x9.5 BW Arc-8's w/ 245/265 Hankook R-S3s, PFC 08 pads, SS brake lines, Prospeed 683 Brake fluid, ISC N1 Coilovers, Powerflex poly RTABs and sway bar bushings, Treehouse delrin FCABs,Tint, BSW I-Pod Dock, and 7 BMW CCA HPDS at VIR- A-Group, 2:14.10 VIR Full Course, 1:51's CMP, 1:24.4 Roebling Road, with no motor mods besides BW intake boot and K&N drop in filter
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Old 07-23-2013, 03:15 PM   #40
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My Ride: 2002 325ci
No worries. If you could take the measurement that would be nice. Just measure from the center of your wheel center cap up to the fender. This measurement is nice because tire sizes don't factor into it.

So I did discover the source of the clunking on sudden impacts. Turns out my rear shock mounts were loose. This probably happened because I tightened them while the wheels were in the air. After a couple days, the gaskets between the mount and the body compressed and the nuts loosened. I might have to put some locktight on them if they loosen again as the platings on the bolt and nut make it pretty slippery.

Had my first autocross on them this Saturday. I had to raise the front ride height way up to 14" just to clear my 255/40/17 tires and 9" wide rims. I was using a 5mm spacer before, but now I will have to use a 12mm spacer to clear everything. The tire was rubbing on the lower spring perch, and the rim was precariously close to the lower strut lock ring.

Anyhow it went pretty well. The course was pretty bumpy so I was playing with the shocks between 0-50% stiff. Fastest run was at 0%, but it was also my best drive. Matched an 08 Porsche 911 in raw time and was only beat by a prepped 05 Miata in raw time. The Mazda beat me in PAX time by .4 seconds.

Here's my fastest/last run.

__________________

2002 BMW 325ci /// Sport Pkg /// 5 spd
Modern Apothecary

Last edited by jabela; 07-25-2013 at 10:03 AM.
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