เจอวิธีลดน้ำหนัก e30 มาครับลองดูกันนะครับ
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http://www.dtmpower.net/forum/e30-3-series-prior/114624-e30-weight-loss-guide.htmlLosing Weight For Fun and Profit
--BODY--
-Ahead of Firewall-
I. Hood
A. Fiberglass Ireland Engineering Race Hood (-32lbs)
II. Fenders
A. Fiberglass or Carbon Fiber Custom (-15lbs)
III. Valance
A. Strategic lightening of stock (-5lbs)
B. Custom f/g or c/f (-12lbs)
C. Aftermarket (-7lbs)
IV. Bumper ('84-'88)
A. Euro bumper swap (-20+lbs)
B. For '88, plastic bumper swap (-20+lbs)
V. Wipers
A. Single wiper conversion (-4lbs)
-Firewall to Trunk Bulkhead-
I. Windows: All the windows are up relatively high, thus all weight saved from them will help lower cg, raising handling limits.
A. Mashaw Lexan Side Windows (-7lbs)
B. Euro Crank conversion (-5lbs)
II. Sunroof: Again, up high, so losing weight will help handling.
A. Custom Closure, gutted (-4lbs)
III. Side Mirrors
A. F/g or c/f small rectangular (-2.5lbs) (Speaking of which, did you see the c/f ones on the race-prepped e30 M3 at the SD autocross? They were friggin tiny. Maybe 2.5x5")
-Trunk Bulkhead Back-
I. Trunklid: Up high, affects cg.
A. F/g Ireland Engineering Race (-12lbs)
II. Bumper ('89-91)
A. Strategic Lightening (-7.5lbs)
III. Bumper ('84-'88)
A. Euro bumper swap (-20+lbs)
B. For '88, plastic bumper swap (-20+lbs)
IV. Window: Up high, affects cg.
A. Mashaw Lexan (-4lbs)
-Underside-
I. Undercoating
A. Full undercoating removal, replacement with clear coat. (For
those of us who live on the beautiful West coast and in the
deserts of the Southwest. (-25lbs)
--Engine Related--
-Accessories-
I. Air Conditioning System
A. Removal of compressor and brackets (-45lbs)
B. Removal of associated lines and wires (-5lbs)
II. Fan
A.Replacement with electric aftermarket (-5lbs)
-Bolt Ons-
I. Air Intake
A. Pipercross/iTg foam CAI w/ heat shield (-0.5lbs)
II. Headers
A. Ireland Engineering Ceramic Coated Shorty (-7lbs)
III. Exhaust
A. Custom 2.75” headers back, no cat (-20lbs)
IV. Flywheel
A. TMS/someone else lightweight flywheel (-8lbs)
--Interior--
-Passenger Compartment-
I. Seats
A. Sparco Evos (-58lbs for both)
B. Back seat removal (-26lbs)
II. Trim
A. Center console removal (-2lbs)
B. Rear quarter panel trim removal (-6lbs)
C. Door trim removal, replacement with c/f (-9lbs)
D. Parcel shelf removal, non-gloss coating (-3lbs)
E. Carpeting Removal (-15lbs)
III. Ducting
A. Leftover A/C ducting removal (-3lbs)
IV. Sound Deadening
A. Removal of sound deadening in cabin and trunk (-55lbs)
B. For 318iS, removal of sound deading in cabin (-20lbs)
V. Dashboard
A. Glovebox removal (-4lbs)
B. Custom dash (-10lbs)
VI. Steering Wheel
A. Sparco Racer 2 (-2lbs)
VII. Headliner: Any weight saved up here will help the cg, regardless of how little it may seem.
A. Removal (-4lbs)
B. C/f remake (+1.5lbs)
-Trunk-
I. Battery
A. Lighter, smaller (-8lbs)
II. Trunk Stuff
A. Removal of jack, trim, etc (-12lbs)
B. Removal of spare and replacement with space saver spare
(-15lbs)
--Suspension and Wheels--
-Suspension-
I. Control Arms
A. M3 control arms, aluminum (-8lbs together, four pounds
apiece)
II. Wheels
A. OZ Superleggera 15x7” (-12lbs combined, three pounds
apiece)
Now, to add a little weight: 6pt roll cage and triangulated
strut tower braces (+110lbs)
What you have been waiting for: Total Weight Lost, '89-'91- 332 lbs, '84-'88- 364.5lbs
On a 318iS with no sunroof, that equals (going by 2600lb curb weight) 2282lbs, fully fueled.
On a 1990 325i, that equals (going by BMW published 2811lbs curb weight) roughly 2454lbs
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