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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sun, Oct-17-2010, 03:02:35 AM   #11
emax13
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Originally Posted by toddkageals View Post
Yeah....used those on my 330 when I changed the struts. Could NOT get enough compression to disassemble the strut. I even tried using two sets (4 rods) and still could not get the spring compressed enough.
?? Could you not tighten the screw anymore? Springs to strong?

The first time we used ratchets and a vice. It got real hard to compress and hold the strut still. Next time we used air tools, and 2 sets like you, and it worked great.

We used two clamps to hold the spring during removal and then 4 to disassemble.
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Old Sun, Oct-17-2010, 07:22:29 PM   #12
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Have you done this on an M3? I was mainly concerned that the control arm does not have enough travel to allow the spring to completely decompress?????
I have done it on my M. I do it just like was said but then you need to unwind the spring from the strut, take out the upper mount and slide the shock piston up the hole(where the upper mount was) and out of the knuckle(holder), then just slide down and out.

To get the nut back on the shock you will need to figure how to assert pressure to the control arm while lining up the spring and piston onto/into the upper mount.
1. car on stands and the jack under the rotor/control arm just enough to catch the threads and tighten on the ground.
2. i use a lift but put the wheels on and slowly lower the car in steps while assembling both sides(a lot more dangerous, no jack stands), when on the ground tighten the upper nut.

It is safer to just carry the assemblies in to a shop and pay an hour($90). Especially if this doesn't make clear sense.
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Old Mon, Oct-18-2010, 12:48:08 AM   #13
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Hmmmm.......the only thing I am not sure about is "unwind the spring from the strut". Can you clarify?

Thanks,

Todd
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Old Mon, Oct-18-2010, 03:01:27 PM   #14
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You can definitely get the strut out of the tower without spring compressors (unbolt the entire camber plate, disconnect the anti-roll bar, and turn the wheel full lock into or away -- check the suspension install DIY to figure out which). You would need compressors to safely disassemble the strut/spring assembly once they were out.
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Discussing Change Struts w/out Compressor in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)