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11-27-2012, 12:25 PM
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#1
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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had recently rear sub frame crack fixed by RAVEN
i bought my m3 almost 3 years ago and guy told me there was sub frame re-inforsment kit installed(my mechanic confirmed, but ewrething was coverd with rast proof so hi cant see quality of welds). so i was never looking there for any cracks. one day at cayuga track i heard some metal noise and start looking and found some big cracks!!!! mechanic who installed re-inforsment kit didnt do a good weld an it become a disaster. at some point i was ready to sell my car. my mechanic told me hi cant handle this repair an i have to find someone who have lots of expirience with this chassis. i found RAVEN/BAVARIAN Motors. one i got to the shop i was very impressed how many racing bmw was in the shop. repairs all done and im very happy, here is some pix
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11-27-2012, 08:22 PM
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#2
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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some pix afrer rust proof removed
previos fix with very poor weld
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11-27-2012, 08:26 PM
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#3
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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repair
so after previos repair regular reinforsment kit wont do the job, so they have to desigh they own kit with lots of plates
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11-27-2012, 08:34 PM
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#4
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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tower brace
its not my daily draiver, most of the milage car get on the way to the track and on the track, so they weld me in tower brace, they connect sub frame to the body, after this brace car more stiffer!!! Good luck with your M, and hope u dont have to go thru the same repair!!! if u gettting kit installed make shure its done frome first time, cuz to fix somebodys mess is a mess hehe 
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11-28-2012, 12:18 AM
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#5
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Cruising in Top Gear
Join Date: Aug 2011
Location: Toronto, ON
Posts: 306
Car: E46 With 3 Pedals
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What was the total cost?
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11-28-2012, 08:38 AM
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#6
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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3000+
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11-30-2012, 01:19 PM
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#7
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Cruising in Top Gear
Join Date: Aug 2011
Location: Toronto, ON
Posts: 306
Car: E46 With 3 Pedals
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Money well spent.
If I ever pick up an M3, this will be my first mod before FI 
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11-30-2012, 03:06 PM
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#8
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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If u do this before problem starts I'm pretty shure it will be cheaper than to fix after somebodys mess
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11-30-2012, 08:33 PM
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#9
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EX E30 M3 Owner
Join Date: Mar 2005
Location: North York
Posts: 2,356
Car: old skool Hondas
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Why do they crack ?
Too much power or poor choice of metal used in building the car?
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11-30-2012, 08:54 PM
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#10
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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There was recall but it's over, not all of the e46 cars have it
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11-30-2012, 09:16 PM
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#11
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5erholic
Join Date: Dec 2004
Location: North York
Posts: 1,355
Car: 1980 528i (E12)
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 for Steve at Raven. He's an outstanding fabricator. I'm also very pleased with all the custom metal work on my E12 especially the exhaust system.
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..........................There will always be followers!
Bimmer Mag. .....................October 2010 .....................Issue No. 93
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11-30-2012, 10:24 PM
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#12
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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I'm very happy with his work, everything looks very clean and solid. Hehe
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04-07-2013, 02:27 PM
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#13
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1st Gear Newbie
Join Date: Mar 2013
Location: Toronto
Posts: 23
Car: E46 323i
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What are the symptoms of a damaged subframe?
__________________
'98 b20 teg - Sold
'93 b18 teg - Sold
'00 Civic - R.I.P
'98 318 is - Sold
'89 325ix - Sold
'99 ES 300 - Sold
'00 323i <--
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04-07-2013, 05:26 PM
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#14
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1st Gear Newbie
Join Date: Mar 2013
Location: Markham
Posts: 12
Car: BMW 3.0
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Quote:
Originally Posted by Robb
Why do they crack ?
Too much power or poor choice of metal used in building the car?
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Power has nothing to do with it. 323s been reporting failures as early as 50k kms.
Its a mystery, well not really but much so. First , the design of the rear subfloor hasnt changed much from the E36 which had a bad bad design to start with. And then its the sheet metal suppliers at certain years. 98-02 have THE most damage , 03+ cars rarely are seen with damage because BMW physically changed the rear subfloor design after 03. M3 will all have damage because they havent got the new updated subfloor as standard.
Quote:
Originally Posted by Slow36
What are the symptoms of a damaged subframe?
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Cracks in the rear subfloor sheet metal. Those are the symptoms.
Poor maintenance also leads to this. Reaplce your diff bushes, subframe bushes and in general keep your car in good shape if you wish to enjoy it.
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04-07-2013, 05:12 PM
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#15
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Weapon M
Join Date: Nov 2012
Location: Clarkson
Posts: 128
Car: e46 m3
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Cracking noise and after I chech in trunk and seen cracks
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2003 e46 m3, ap racing bbk, ess vt1- 455
If you did not build it,
it is not yours
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