How light is your M3?
I'm sitting at 3039 lbs; as the car drops weight I update my sig, so keep an eye out!
Here is the list of everything removed so far, with weights:
Tire Repair Pump- 5 lbs
Front and left door insulation- 8 lbs
Rear seat insulation- 13 lbs
Navigation Brackets w/storage bin- 3.6 lbs
Rear seatbelts and restraint system- 8.2 lbs
Arm rest mount- 1.4 lbs
Arm rest- 1.8 lbs
center console- 3 lbs
Front door airbags (2) w/ bolts- 2.8 lbs
Front door speakers (both)- 3.4 lbs
Driver seat- 65.8 lbs
Passenger seat- 65.8 lbs
Left door card- 10.2 lbs
Right door card- 10.2 lbs
Left rear seat backing- 25 lbs
Right rear seat backing- 11.4 lbs
Rear seat bench- 12 lbs
Rear seat quarter panels- 4.2 lbs
Left rear door card- 4.6 lbs
Right rear door card- 4.6 lbs
Rear floor mats- 1.4 lbs
Glove box and housing- 5.4 lbs
Steering column insulation- 1 lb
CF CSL trunk (weight difference)- 15.4 lbs
CF GTR Hood (weight difference)- 15.6 lbs
Shaved bits off vents on CF hood- 1 lb
Trimmed front Carpet pieces (2)- 1.2 lbs
Dash foam (1)- 1.2 lbs
Dash Insulation- 4.8 lbs
Passenger footwell light board- 1 lb
Driver side rear vent- 1.2 lbs
Passenger side rear vent- 1.2 lbs
Rear seat corner foam- 1.4 lbs
Rear seat latch system- 2 lbs
ALL Tar removed- 12.2 lbs
Stereo system wire harness (95%, guess) -8.4 lbs
Radio/AMP and bolts -4 lbs
Rear speakers/housing and bolts -3.8 lbs
Dash head unit (w/ 1 CD) -6.8 lbs
Large AMP and bolts: 7 lbs
Rear side panel inserts -6 lbs
Difference between stock and ETX30L -25 lbs
Difference between Stock pulleys and VAC ultra light -.4 lbs
Secondary air-pump -4 lbs
Bi-Xenons- 6.1 lbs: 12.2 lbs total
Fog lights- .79 lbs/ .8 lbs: 1.6 lbs total
Rotora 4 Pot front calipers (guessed)- 6 lbs
Rotora 4 pot rear calipers- 4.4 lbs
ZCP front rotors (2)- 37.7 lbs (1.7 lbs heavier than stock)
ZCP rear rotors (2)- 29 lbs (3.4 lbs lighter than stock)
Ebrake drum and shields -8.2 lbs
Ebrake handle -2 lbs
Bumper beam and foam insert -9 lbs
1 Horn -.8 lbs
Timmed bumper peices .5 lbs
Extra plastic "skid plate" piece -1 lbs
Front cowl -3.2 lbs
Total weight dropped so far: -446 lbs (not counting the added weight, which is about 80 lbs)
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Planned car weight loss:
Coilovers (10 lbs off the car)
Custom exhaust with aluminum section 2 and 3 (60 lbs drop off the car)
Install SS V1 (10 lbs off the car)
Install Evolve CF Airbox (10 lbs off the car)
Install CF fenders (8 lbs off the car)
Get tires for my Apex ARC-8s (projected 50 lbs drop off the car)
Rear lexan window and quarter side windows (25 lbs off the car)
CF roof (15 lbs off the car)
CF driveshaft (8lbs off the car)
Remove rear liner/carpet (10 lbs off the car)
Brake booster delete (10 lbs off the car)
Manage wire harness (10 lbs off the car)
Projected total weight removed: 226 lbs
Projected weight when done: 2814 lbs.
This car will still be street driven with 350 WHP, when complete.
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Stock weight to power ratio (3415 lbs/ 273 WHP): 12.5 lbs/ WHP
Projected weight to power ratio: 8.04 lbs/ WHP
Stock weight M3 with 8.04 lbs/ WHP: 424 WHP