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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 Tue, Jan-04-2011, 04:02:33 AM   #21
vitaliko
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Default Re: Subframe reinforcement completed

how much did the labor run you?
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Old Tue, Jan-04-2011, 02:26:55 PM   #22
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Default Re: Subframe reinforcement completed

Looks like they did a great job. I remember doing this, PITA but worth every bit to have that piece of mind.
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Old Tue, Jan-04-2011, 03:55:06 PM   #23
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Default Re: Subframe reinforcement completed

Quote:
Originally Posted by henry333 View Post
dang nice ! need a place in California San Francisco that does this well .. anyone knows?
performance technic in pleasanton or tcdesign in milpitas

http://performancetechnic.com/

http://tcdesignfab.com/
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Old Tue, Jan-11-2011, 08:48:54 PM   #24
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Quote:
Originally Posted by Tonester View Post
Why did they cut it the way they did in the photo? They also cut into your panel.

What tjpatte said. I went with the HPF kit and per their instructions they only cut 3 sides so that the orig could be folded down and rewelded. The TMS kit has you cut out a square and weld the replacement plates over them. If you compare the 2 kits this is the one difference between the two.

And no there was no cuts made in the underpannels. Might just be the camera angle? I think they just reinforce the welds in this area.
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Old Tue, Jan-11-2011, 09:48:28 PM   #25
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Default Re: Subframe reinforcement completed

Yes, they are supposed to drill out the factory spot welds in this location and re-weld, then seal it back up.
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Old Tue, Jan-11-2011, 10:37:58 PM   #26
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Default Re: Subframe reinforcement completed

I just did this also. You need to cut the access from the trunk to add more reinforcement from the top.

Took me two days to do this with help. Not an easy DIY for sure. But I also took the time to replace my diff.
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Old Wed, Jun-29-2011, 03:46:00 PM   #27
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Default Re: Subframe reinforcement completed

I don't think this is a hard DYI as far as difficulty goes. I think it's more physically demanding because you have to sling some heavy parts around. But really it's more time consuming and physically a PITA than anything.

I never thought of dropping the whole rear suspension in one piece like that. That's interesting. I may do it this route. The only thing is, I am going to replace my S-Frame bushings and may need to take that to a shop to get them pressed so I'll probably pull everything apart.
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Discussing Subframe reinforcement completed 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)