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  See more parts for BMW 323i
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Active Autowerkes Rear Subframe Reinforcement Kit for BMW E46 M3, 323i, 325i, 328i, 330i - 13-005

If you’ve got an E46 NM or M3, you might have noticed some strange noises coming from the back when you hit the gas. Trust me, you’re not alone. That sound could be a telltale sign that the rear subframe sheet metal is starting to give up the ghost. What’s happening is that the metal around the bolts securing the rear subframe, differential, and suspension is cracking and tearing. Over time, this can leave your rear end hanging by a thread—literally.

That’s where the Active Autowerke Rear Subframe Reinforcement Kit comes into play. This kit is designed to bring your BMW back to life, reinforcing the rear subframe to handle the power and stress it’s meant to endure. It’s got all the heavy-duty steel plates you need to patch things up right. You’ll want to get a pro to handle the welding and installation, though, as well as a suspension realignment afterward. It’s not just a quick fix; it’s a solid upgrade whether you’re rocking a stock setup or have made some modifications.

What’s included in the kit? You’ll get all the steel reinforced plates necessary for the job, plus a CD with step-by-step instructions. The instructions are easy to follow, with detailed pictures that keep the text to a minimum—perfect for visual learners.

This kit fits a range of E46 models, including:

  • BMW 323i (1998-2002)
  • BMW 325i (1998-2005)
  • BMW 328i (1998-2002)
  • BMW 330i (2000-2005)
  • BMW M3 (2001-2006)

So, if you want to keep your ride in top shape and avoid any nasty surprises down the road, this reinforcement kit is definitely worth considering. It’s a smart move for any E46 owner who cares about performance and safety.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1998-2002
 BMW 323i
1998-2005
 BMW 325i
1998-2002
 BMW 328i
2000-2005
 BMW 330i
2001-2006
 BMW M3
Many rave reviews and magazine articles have been written about Active Autowerkes, and these kits and their many successors since have become well known for their durability, clever bolt-on engineering, affordable pricing – and their ability to breathe fire into the everyday BMW and its owner. No longer a brand known just around Florida, today's Active Autowerke is known worldwide for its line of flawlessly engineered and manufactured performance parts for the entire Beemer.

As new models and challenges continue to be born, Active Autowerke continues to invent – and deliver – world class, new ideas and innovations that make them run better.

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