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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 05-25-2013, 01:17 AM   #1
charliexd
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Proposed Seat Delete Sale

Decide to make my own seat delete option for my car.
The seat bottom is probably a small weight saving, but the seat back is a big deal.
I think this is ideal for those of us tracking our ///M's or never carrying passengers (less weight in these cars results in a friendlier DD for the wallet
And in the event you have a day where you know there will be passengers, snap them out and put in your seats. To me the best part about this project is that nothing is permanent. I'm able to bag and store my rear seats in the house, and snap in or snap out the seat deletes for whatever I need.

For this I used alcantara that my friend in phx sourced (Mario K. - he's rather famous on e90post)
the 'structure' of the delete was 7/16 plywood and foam for filler with the seat backs using a layer of styrofoam since it needed to be thicker so that it would conform to the side bolsters better.
Stock bench is about 14lb - my delete resulted in 11lbs. while the stock seat back is roughly 37-38 pounds (with the handle releases and such), - the delete resulted in 21lbs.
All in all, about 32lbs of savings and I'm really happy with the results.




standby for talk about how the noise increase is.

If you'ld like more information about how I did this you can message me and I can send you more pics or we can talk more about it or whatever. Just thought it was a pretty cool idea for these rather heavy cars, and had the time to spare a fun project with the wife.

Last edited by charliexd; 05-25-2013 at 10:14 PM.
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Old 05-25-2013, 01:22 AM   #2
ANREC330
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Proposed Seat Delete Sale

I've been wanting to do this for a while. In for weight differences.


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Old 05-25-2013, 10:15 PM   #3
charliexd
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about 32lb savings! hit me up if you want to talk details
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Old 05-25-2013, 10:56 PM   #4
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That looks really nice, how come so tall for the seat backing though??
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Old 05-25-2013, 10:58 PM   #5
charliexd
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the backboard fit to the right height, but it seems because of the thick foam it 'lifts' the piece and thus looks like it's just all wrong.
I'll go back and trim it tmr....long day as with most things diy, the first time isn't perfect.
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Old 05-25-2013, 11:00 PM   #6
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ahh I see, well either way it looks great! very cleanly done.
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Old 05-31-2013, 06:31 PM   #7
charliexd
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ok, it's complete. managed to get out in the sun for some gopro shots




seat bolsters were the trickiest, but now it's officially done.. and I think I'll get rid of the air freshener because now i have a nice wood scent.
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Old 05-31-2013, 09:32 PM   #8
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Well done! However, personally I just take out the rear seats when I go to the track and then put them back in. Even when I leave them out for the street, I like having the extra exhaust noise coming from the rear with the seats out, which is like just leaving the seats down I guess. I guess my point it, what you did looks pretty good! I've just gone ahead and taken out the seats and rear upholstery rather than have something in their place, so to each their own
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Old 05-31-2013, 09:36 PM   #9
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Nice work OP.

I've thought about making a version for us track junkies that need to transport tires to the track - that has a cut-out to stabilize and secure 4 tires. Something the tires would nest securely into and then strap them down.
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Old 05-31-2013, 11:05 PM   #10
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Looks very good! did you give the rear a bit of an arch or is that pics? I like it!
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Old 06-01-2013, 12:26 AM   #11
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Originally Posted by E46 WOT View Post
Well done! However, personally I just take out the rear seats when I go to the track and then put them back in. Even when I leave them out for the street, I like having the extra exhaust noise coming from the rear with the seats out, which is like just leaving the seats down I guess. I guess my point it, what you did looks pretty good! I've just gone ahead and taken out the seats and rear upholstery rather than have something in their place, so to each their own
I don't blame you. Had I just stripped the rear altogether it would have been more weight saving. But idk it just looks too abandoned for me right now. So having the time, this seemed pretty fun.

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Nice work OP.

I've thought about making a version for us track junkies that need to transport tires to the track - that has a cut-out to stabilize and secure 4 tires. Something the tires would nest securely into and then strap them down.
THAT could definitely be arranged. Tho the trouble is tire sizes. Assuming you always use the same width, it'd be perfect. I could do one for you just pm me

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Looks very good! did you give the rear a bit of an arch or is that pics? I like it!
An arch as in around the side bolsters? I did straight edges but folded the foam over, so it contours as if it were rounded
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Old 06-01-2013, 12:48 AM   #12
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No the entire center piece looks like it has a nice arch all across it. Could just be the angle of the photo.
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Old 06-01-2013, 01:10 AM   #13
charliexd
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oh ok no, then I think it's just the gopro fisheye effect you're seeing
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Old 06-05-2013, 11:48 AM   #14
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Nice work OP.

I've thought about making a version for us track junkies that need to transport tires to the track - that has a cut-out to stabilize and secure 4 tires. Something the tires would nest securely into and then strap them down.
I was able to put my track set of tires/wheels across the back seats in a way that I just back up both front seats and lean back to press against the tires and they didn't move at all, but I'd thought about something like that too.

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I don't blame you. Had I just stripped the rear altogether it would have been more weight saving. But idk it just looks too abandoned for me right now. So having the time, this seemed pretty fun.
Yeah I always end up abandoning the factory interior the longer I own a car due to things like tracking it or a stereo install that brakes a clip I never fix etc. It'd definitely a personality thing though, some people can't live with a scratch on their door or incomplete interior, I'm the guy that doesn't care about that as long as it's functioning as intended and the experiance is up to par (not that the first type doesn't like the experiance any less).
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Last edited by E46 WOT; 06-05-2013 at 11:48 AM.
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Old 06-06-2013, 03:45 PM   #15
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Nice work, I think this is a nice little mod to shave a few pounds off of the m3!
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Old 06-25-2013, 08:58 PM   #16
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who wants one?
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Old 06-25-2013, 09:17 PM   #17
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I wanna gut the rear of my car and cage it. But I promised my wife I would leave the seats I'm this car haha if I could I'd snag one from ya. Good luck!
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Old 06-25-2013, 11:12 PM   #18
charliexd
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dude I can take out this delete and put my rear seats in within 10 minutes (5 if someone is helping).
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Old 06-26-2013, 12:25 AM   #19
Grinchxvx
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Proposed Seat Delete Sale

Why not just take out the seats and not replace them with a homemade bench? Am I missing something?


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Old 06-26-2013, 12:40 AM   #20
charliexd
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well it's for more than just the track guys. it's for someone who may not want the extra weight in the back, and still maintain a clean 'oem' look. if you just pull the seats it looks bare, and random wires here and there etc...
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