Spring Rates

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Posted by Troy Rudolph on January 25, 1999 at 15:09:15: In Reply to: Front springs posted by David Uhyrek on January 25, 1999 at 09:35:24:

P/N: 1 112 867 (530i through 1976)

relaxed length: 352 (13.858)
relaxed pitch: 78.61 ( 3.095)
wire gage: 13.5 ( 0.531)
diameter: 164.5 ( 6.476)

total windings: 5
active windings: 4

colors: blue stripes along entire length of springs
plus red, white, or green stripes depending 
on spring rate.

red: 3649 - 3738 N / 372 - 381 kp / 820 - 840 lbs.
white: 3747 - 3845 N / 382 - 392 kp / 842 - 864 lbs.
green: 3855 - 3955 N / 393 - 402 kp / 866 - 886 lbs.

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P/N: 1 118 481 (530i 1977 - 1978)

relaxed length: 368 (14.488)
relaxed pitch: 65.91 ( 2.595)
wire gage: 14.45 ( 0.569)
diameter: 165.45 ( 6.514)

total windings: 6.5
active windings: 5

colors: pink stripes on 3 windings plus
red stripe on 2 windings or NO stripe depending 
on spring rate.

red: 4138 - 4294 N / 422 - 437 kp / 930 - 963 lbs.
none: 4295 - 4442 N / 438 - 453 kp / 965 - 999 lbs.

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P/N: 1 117 396 528i 1979 - 1981 

relaxed length: 373 (14.685)
relaxed pitch: 67 ( 2.638)
wire gage: 14.2 ( 0.559)
diameter: 165.2 ( 6.504)

total windings: 6.5
active windings: 5

colors: yellow stripes on 3 windings plus
pink, white, or green stripes on 2 windings 
depending on spring rate.

pink: 3648 - 3745 N / 372 - 381 kp / 820 - 840 lbs.
white: 3746 - 3844 N / 382 - 392 kp / 842 - 864 lbs.
green: 3845 - 3942 N / 393 - 402 kp / 866 - 886 lbs.




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