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Napes

Need a +/- o.d. on stock springs.

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I'm trying to sort through a bunch of springs in my storage bldg. from various makes of cars and want to make sure I hold on to the ' 02 springs. Appreciate any help. Thx

Bob Napier

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stock 02 susp coil spring colour codes & MORE>

Posted by: Creighton D. on 2002-11-01 at 04:51:29

this is for oem / stock / BMW factory suspension coil springs !

not aftermarket

stock / oem 02 suspension coil spring colour codes and free length (not mounted length);

REAR SUSP SPRINGS

Green 776-803 lbs

White 750-776 lbs

Red 725-750 lbs

wire thickness 12.3mm (.049")free length unmounted 334.6 (13.17")

Heavy duty conversion ( for trailer towing )

grey/green 769-789 lbs

grey/white 730-769 lbs

grey/red 710-730 lbs

wire thickness 13.2mm (.052") free length of unmounted 324.2mm (12.76")

FOR touring - USE ONLY RED (in emergency WHITE is permissable

always use "1 Dot " rubber top cushion

FRONT SUSP SPRINGS

green/blue 635-656 lbs

white/blue 614-636 lbs

red/blue 595-614 lbs

wire thickness 11.8mm (0.465") free length unmounted 337.2mm (13.28")

Heavy duty conversion (only if rear is also converted)

green/grey/green 606/626 lbs

white/grey/white 584-606 lbs

red/grey/red 564-584 lbs

wire thickness 12mm (0.47") free length unmounted 345mm (13.58")

..........SO, AS YOU CAN SEE , WHEN INSPECTING UNKNOWN SPRINGS, THE FREE LENGTH CAN BE CLOSE, BUT IT'S THE WIRE THICKNESS THAT YOU NEED TO MEASURE CAREFULLY

THIS REF. FROM BMW REPAIR MANUAL (PRINTED) VOL.2

>>>>>>>>>>>>>>>> HAPPY SPRING HUNTING ! <<<<<<<<<<<<<<

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I guess I didn't make myself clear. I don't care about wire size or length. I want to know an approximate out-to-out diameter of the entire spring. It's probably somewhere in the neighborhood of 5-6". Anyone got one they can measure for me. I only need to it to the closest ¼". Thx.

Bob Napier

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I measured mine at ~13cm. which is ~5.1 inches....

and I have just been down to the garage and can now confirm it is exactly 5.1 inchs (13cm). That is the diameter of the coil from the outside all the way across to the outside of the coil at the other side.

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