Repairing previously repaired (but now broken) Subframe Cracks on a BMW E46 M3
This BMW E46 M3 had 'Subframe' Cracks on the Rear Axle Carrier Panel, and another company (not us) welded JUST the front right mount. Whether or not the other cracks on the rear mounts, and rest of the spot welds on the panel were present at the time or not, the 'Subframe' Panel continued to break, crack, and split in other areas. We were asked to step in and help the customer repair his E46 'Subframe' Panel as he didn't want to go back to the original repair company. This video documents our findings, and presents the case of why it's worth trusting this repair to a company with strong background in this procedure, as well as a proven history of successful repairs. It's also worth remembering that welding on it's own will not be a long term fix, and nor will reinforcement plates be a long term fix. Additional welding is nearly always required because of the 'Subframe' Panel being pulled off the rest of the chassis and breaking other spot welds. Just look at the spot weld failures on the rest of the 'Subframe' Panel which are not located near the Subframe Mounts, nor covered by any reinforcement plates. If you or your repairer don't inspect or repair these other areas of concern then it's likely you will need to revisit the repair in the future - just like this guy. This car, as do many, required internal welding inside the boot, cabin, and rear seat areas to secure and reattach the 'Subframe' Panel to the rest of the chassis legs, seat panel, and spare wheel panel. We also had to repair internal cracks on top of the hidden threaded mounts which meant cutting open 4x access panels inside the car's boot and rear seat area, stop drilling the ends of the multi cracks, welding them, removing the OEM MIG welds (cracked through the centre), weld replacing them as well as reinforcing the tops with additionally connected welds spread over a greater area, and then close-welding the access cover plates, before priming, sealing, and painting inside the cabin. The rest of the video shows our approach to the BMW E46 Rear Axle 'Subframe' Carrier Panel cracking problem and how we also go above any beyond when it comes to corrosion protection and using primers, spray-able seam sealer, base colour paints, clear coat lacquers, and cavity waxes to offer probably the neatest commercially available E46 Subframe Repairs in the world. You hear/read these additional panel problems here first as the first commercially available repairers to talk so openly about the problem, our findings, and offer our help and advice to owners, and probably repairs too. That example is confirmed when you look at our Redish Motorsport E46 Subframe Reinforcement Plate Kit design which we first designed and produced back in 2012. It's now been copied and produced multiple times by other repairers because our design is the best out there. Our repair process, as with our Reinforcement Plates, are often copied but never rivalled. www.facebook.com/redishmotorsport www.redish-motorsport.com

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