M coupe on a diet

nlink720 · 05-26-2011, 08:12 PM

Good stuff. I'm down to 2850, but in a 2004 Z4 3.0i and limited by STR autocross rules. Seats, battery, wheels, some miscellaneous items, springs, etc.

I would follow your lead and rip out more if I could. Please keep updating us -- great thread.

BookerM3 · 05-26-2011, 09:40 PM

For inspiration

arggg45 · 05-26-2011, 10:04 PM

Quote:

Originally Posted by BookerM3

For inspiration

Sweet Mother of God....Moar pics please?

BookerM3 · 05-26-2011, 10:22 PM

Complete Z4M coupe Race car build

http://www.kk-automobile.de/blog/?p=466#comment-578

Mike

Z4Nick · 05-27-2011, 01:03 PM

Great stuff Chris.

If you ever need an extra pair of hands, give me call. I'm only about 40mins away.

Nick

z4mnyc · 05-27-2011, 02:30 PM

Nice work!!! My car now weighs 3100lbs

ZStig · 05-27-2011, 02:35 PM

Quote:

Originally Posted by z4mnyc

Nice work!!! My car now weighs 3100lbs

What was the original weight?

z4mnyc · 05-27-2011, 02:47 PM

I dont recall however stock is ~3270lbs

z4mnyc · 05-27-2011, 06:20 PM

@Chris, do you think you can reduce weitht to under 3000lbs? I would really like to shave off another 100lbs. Maybe the aircon is next to go.

Finnegan · 05-27-2011, 07:02 PM

Wow. Amazing stuff going on here on the forum lately with track car builds!

It's inspiring to me, and also terrifying to my wallet which has run and hidden under the couch!

In terms of losing weight in the front of the car, the current M3 uses plastic fenders to cut some weight there. Given how many contacts you guys have and the access to tech, is there any way (without paying with a kidney) to have plastic fenders formed/made? I haven't weighed the fenders, but as sheet metal they can't be all that lightweight. If there were a way to do this it might be cheaper than CF. I don't know if this is a really silly idea or even possible, but I'm just throwing it out there.

bhoch · 05-28-2011, 12:43 PM

Quote:

Originally Posted by arggg45

Sweet Mother of God....Moar pics please?

x2

ZStig · 05-28-2011, 02:04 PM

Quote:

Originally Posted by Finnegan

Wow. Amazing stuff going on here on the forum lately with track car builds!

It's inspiring to me, and also terrifying to my wallet which has run and hidden under the couch!

In terms of losing weight in the front of the car, the current M3 uses plastic fenders to cut some weight there. Given how many contacts you guys have and the access to tech, is there any way (without paying with a kidney) to have plastic fenders formed/made? I haven't weighed the fenders, but as sheet metal they can't be all that lightweight. If there were a way to do this it might be cheaper than CF. I don't know if this is a really silly idea or even possible, but I'm just throwing it out there.

a whole plastic body would be badass too

crfine88 · 05-31-2011, 05:04 PM

Quote:

Originally Posted by arggg45

I'm assuming you're talking about the cage design. When you have this finished, can you save it as a jpeg and post it here.

I'm in the process of turning mine into a dedicated track car and am interested to see how you're going to do the (half) cage?

Sure, I don't mind sharing the info. I am following 2011 SCCA cage rules. I am only building a haf cage, but I want leave the option for a full SCCA cage open.

Quote:

Originally Posted by nlink720

Good stuff. I'm down to 2850, but in a 2004 Z4 3.0i and limited by STR autocross rules. Seats, battery, wheels, some miscellaneous items, springs, etc.

I would follow your lead and rip out more if I could. Please keep updating us -- great thread.

2850

I would love to be @ that weight. I will keep the udates coming.

Quote:

Originally Posted by BookerM3

For inspiration

thank you

Quote:

Originally Posted by Z4Nick

Great stuff Chris.

If you ever need an extra pair of hands, give me call. I'm only about 40mins away.

Nick

thanks nick. I appreciate the offer

The sooner I get her back together, the sooner we can set up a local drive.

Quote:

Originally Posted by z4mnyc

Nice work!!!

Thanks, your car inspired me

Quote:

Originally Posted by z4mnyc

@Chris, do you think you can reduce weitht to under 3000lbs? I would really like to shave off another 100lbs. Maybe the aircon is next to go.

That is my goal and it looks like may be possible without too much sacrifice. I am at a slight disadvantage because of some of the mods I have already done, but we will see.

Quote:

Originally Posted by Finnegan

Wow. Amazing stuff going on here on the forum lately with track car builds!

It's inspiring to me, and also terrifying to my wallet which has run and hidden under the couch!

In terms of losing weight in the front of the car, the current M3 uses plastic fenders to cut some weight there. Given how many contacts you guys have and the access to tech, is there any way (without paying with a kidney) to have plastic fenders formed/made? I haven't weighed the fenders, but as sheet metal they can't be all that lightweight. If there were a way to do this it might be cheaper than CF. I don't know if this is a really silly idea or even possible, but I'm just throwing it out there.

Really not a bad idea at all. Something to look into for sure.

crfine88 · 05-31-2011, 05:28 PM

First I have to thank David @ EAS (europeanautosource.com) for helping chose the battery that would best fit my budget and needs.

This battery was a compromise in terms of weight. I had planned to purchase 10 lb battery, but after speaking with David it was clear that the 20 lb battery would be more reliable for the trips CA wife my wife. This is the "do everything low maintenance" light weight battery for under $200.00.

For the bracket, I picked up a custom piece from EAS. It is a Mact Schnell bracket made specifically for the 20lb Braille battery. I am really impressed with the quality of the bracket and it is even lighter than EAS quotes on their website.

Another bonus is the size. The new set-up takes up 1/3 the space as OEM

Previous total weight of battery, bracket and accessories: 55.2 lbs

Current set-up (Braille/Mact Schnell): 23.6 lbs

Actual weight loss: 31.6 lbs

nmulax · 05-31-2011, 11:25 PM

I remember an conversation we had about using a certain color for accent pieces (including a cage). I stand by my statement that it'd look sick

crfine88 · 06-01-2011, 07:31 AM

Quote:

Originally Posted by nmulax

I remember an conversation we had about using a certain color for accent pieces (including a cage). I stand by my statement that it'd look sick

I agree. I am either going that direction, or the safe route and painting the cage IB. It's a tough choice, but I have some time to figure it out

ZStig · 06-01-2011, 09:18 AM

a red cage would look great

007MCoupe · 06-01-2011, 09:37 AM

That's what I'm hoping the certain color is! IR inside IB ...

bhoch · 06-01-2011, 02:13 PM

man, your car looks GREAT, regardless of the color of the cage! IR would look seriously cool, though.

inTgr8r · 07-29-2011, 10:34 AM

How's it going Chris?
.....updates?

crfine88 · 07-29-2011, 10:43 AM

Quote:

Originally Posted by inTgr8r

How's it going Chris?
.....updates?

Slow but sure (slower than I like)

Waiting on the welder for the cage build, waitng on parts to arrive...

I am looking into a tube bender, a tube notcher & a saw. I may end up doing the bending, notching and cutting myself.

ZStig · 07-29-2011, 10:49 AM

and some brass nuckles to speed up the cage builder

If you look at your battery install pics, looking at the red cables contrasting with your blue paint, you can get a preview of how the cage would look in a red color against blue

05-26-2011, 08:12 PM	#45
nlink720 Second Lieutenant 20 Rep 231 Posts Drives: 2004 BMW Z4 Roadster Join Date: Jan 2008 Location: Maryland iTrader: (3)	Good stuff. I'm down to 2850, but in a 2004 Z4 3.0i and limited by STR autocross rules. Seats, battery, wheels, some miscellaneous items, springs, etc. I would follow your lead and rip out more if I could. Please keep updating us -- great thread. __________________ FS: Leather Recaro Pole Position Seats & Hardware
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05-26-2011, 09:40 PM	#46
BookerM3 Private First Class 73 Rep 170 Posts Drives: Z4 M Coupe Join Date: Apr 2010 Location: Canada iTrader: (3)	For inspiration
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05-26-2011, 10:22 PM	#48
BookerM3 Private First Class 73 Rep 170 Posts Drives: Z4 M Coupe Join Date: Apr 2010 Location: Canada iTrader: (3)	Complete Z4M coupe Race car build http://www.kk-automobile.de/blog/?p=466#comment-578 Mike
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05-27-2011, 01:03 PM	#49
Z4Nick New Member 0 Rep 14 Posts Drives: 3.0si Join Date: May 2011 Location: Savannah, GA iTrader: (1)	Great stuff Chris. If you ever need an extra pair of hands, give me call. I'm only about 40mins away. Nick
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05-27-2011, 02:30 PM	#50
z4mnyc Private First Class 14 Rep 191 Posts Drives: Z4 M Coupe Join Date: Feb 2011 Location: New York iTrader: (2)	Nice work!!! My car now weighs 3100lbs __________________ \| Z4MC \| KW Clubsport \| BBS-RGR 19 + Bridgestone RE11 \| BBS-RGR 18 + Hoosier R6 \| Sparco DTM RS \| Vorshlag mounts \| Braille battery \| Euro Headers \| Supersprint exhaust \| Stoptech lines \| Stongstrut \| TCK camber arms \| UUC SSK \| APR GT-200 wing & splitter \| ESS Tune \| Speedware Motorsports custom roll cage \| Schroth harness \|
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05-27-2011, 02:47 PM	#52
z4mnyc Private First Class 14 Rep 191 Posts Drives: Z4 M Coupe Join Date: Feb 2011 Location: New York iTrader: (2)	I dont recall however stock is ~3270lbs __________________ \| Z4MC \| KW Clubsport \| BBS-RGR 19 + Bridgestone RE11 \| BBS-RGR 18 + Hoosier R6 \| Sparco DTM RS \| Vorshlag mounts \| Braille battery \| Euro Headers \| Supersprint exhaust \| Stoptech lines \| Stongstrut \| TCK camber arms \| UUC SSK \| APR GT-200 wing & splitter \| ESS Tune \| Speedware Motorsports custom roll cage \| Schroth harness \|
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05-27-2011, 06:20 PM	#53
z4mnyc Private First Class 14 Rep 191 Posts Drives: Z4 M Coupe Join Date: Feb 2011 Location: New York iTrader: (2)	@Chris, do you think you can reduce weitht to under 3000lbs? I would really like to shave off another 100lbs. Maybe the aircon is next to go. __________________ \| Z4MC \| KW Clubsport \| BBS-RGR 19 + Bridgestone RE11 \| BBS-RGR 18 + Hoosier R6 \| Sparco DTM RS \| Vorshlag mounts \| Braille battery \| Euro Headers \| Supersprint exhaust \| Stoptech lines \| Stongstrut \| TCK camber arms \| UUC SSK \| APR GT-200 wing & splitter \| ESS Tune \| Speedware Motorsports custom roll cage \| Schroth harness \|
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05-27-2011, 07:02 PM	#54
Finnegan Dog Listener 703 Rep 7,850 Posts Drives: Z4M/. Z3M, E36/46 M3 Join Date: Oct 2008 Location: Teaching the dog to slalom iTrader: (22)	Wow. Amazing stuff going on here on the forum lately with track car builds! It's inspiring to me, and also terrifying to my wallet which has run and hidden under the couch! In terms of losing weight in the front of the car, the current M3 uses plastic fenders to cut some weight there. Given how many contacts you guys have and the access to tech, is there any way (without paying with a kidney) to have plastic fenders formed/made? I haven't weighed the fenders, but as sheet metal they can't be all that lightweight. If there were a way to do this it might be cheaper than CF. I don't know if this is a really silly idea or even possible, but I'm just throwing it out there.
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05-31-2011, 05:28 PM	#58
crfine88 Colonel 442 Rep 2,747 Posts Drives: E86M Join Date: Jan 2009 Location: Cave Creek AZ. iTrader: (19)	Macht Schnell @ Braille First I have to thank David @ EAS (europeanautosource.com) for helping chose the battery that would best fit my budget and needs. This battery was a compromise in terms of weight. I had planned to purchase 10 lb battery, but after speaking with David it was clear that the 20 lb battery would be more reliable for the trips CA wife my wife. This is the "do everything low maintenance" light weight battery for under $200.00. For the bracket, I picked up a custom piece from EAS. It is a Mact Schnell bracket made specifically for the 20lb Braille battery. I am really impressed with the quality of the bracket and it is even lighter than EAS quotes on their website. Another bonus is the size. The new set-up takes up 1/3 the space as OEM Previous total weight of battery, bracket and accessories: 55.2 lbs Current set-up (Braille/Mact Schnell): 23.6 lbs Actual weight loss: 31.6 lbs Attached Images __________________ LINK TO 07 IR PHOTO JOURNAL:http://www.zpost.com/forums/showthread.php?t=1303735 LINK TO 06 IB MOD JOURNAL:http://www.zpost.com/forums/showthread.php?t=403119
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05-31-2011, 11:25 PM	#59
nmulax Brigadier General 379 Rep 4,320 Posts Drives: '07 Z4 M Coupe Join Date: May 2006 Location: Metro-Detroit iTrader: (5) Garage List 2007 Z4M Coupé [7.66]	I remember an conversation we had about using a certain color for accent pieces (including a cage). I stand by my statement that it'd look sick __________________
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06-01-2011, 09:18 AM	#61
ZStig instagram 997turbotom 279 Rep 7,377 Posts Drives: Interlagos Z4MR Join Date: Jun 2008 Location: Delray Beach, FL iTrader: (4)	a red cage would look great __________________
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06-01-2011, 09:37 AM	#62
007MCoupe Lieutenant Colonel 94 Rep 1,546 Posts Drives: '18 Sakhir M3 ZCP Join Date: Jun 2010 Location: ( ///// ) iTrader: (5)	That's what I'm hoping the certain color is! IR inside IB ... __________________ Become a ///Member!
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06-01-2011, 02:13 PM	#63
bhoch SSGT USMC - '78 - '86 13 Rep 487 Posts Drives: Z4 3.0si Join Date: Jul 2010 Location: Liberty Hill, Tx iTrader: (0) Garage List 2007 BMW Z4 [7.33]	man, your car looks GREAT, regardless of the color of the cage! IR would look seriously cool, though. __________________ Thanks, Bill 2007 3.0si Roadster Black/Red, sport, Piano Black F14 Forgestar's
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07-29-2011, 10:34 AM	#64
inTgr8r Lieutenant General 2432 Rep 11,667 Posts Drives: M2 Comp Join Date: Mar 2006 Location: Toronto iTrader: (10)	How's it going Chris? .....updates? __________________ '21 M2C Hockenheim Silver '18 718 Cayman S Lava Orange (sold) '13 E92 M3 Santorini Blue (sold) '07 Z4 M Coupe Alpine White (sold)
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07-29-2011, 10:49 AM	#66
ZStig instagram 997turbotom 279 Rep 7,377 Posts Drives: Interlagos Z4MR Join Date: Jun 2008 Location: Delray Beach, FL iTrader: (4)	and some brass nuckles to speed up the cage builder If you look at your battery install pics, looking at the red cables contrasting with your blue paint, you can get a preview of how the cage would look in a red color against blue __________________
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