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For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06

For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06 is a factory-spec replacement kit that restores the C-column structural integrity of convertible tops, priced at $26.49, and is ideal for owners repairing leaks or frame damage on 2001-2006 E46 models.

$26.49

● In stock

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Price and availability may change. Click to see current details on Lab Work Auto.

Key features

  • OEM fitment matches part number 54317135351 for seamless replacement.
  • Complete hardware set includes brackets, bolts and pre-bent reinforcement bar.
  • Corrosion-resistant steel with zinc-phosphate coating.
  • Lightweight design restores structural rigidity without added weight.
  • DIY-friendly installation in under two hours with basic tools.
  • Cost-effective at $26.49 versus dealer repair.

Pros

  • +Exact OEM fit eliminates modification.
  • +Includes all necessary hardware.
  • +Rust-resistant coating prolongs life.
  • +Very affordable price point.
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Cons

  • Requires basic mechanical skill.
  • No aesthetic upgrades like carbon-fiber.
  • Limited to C-column; does not address roof fabric wear.

About For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06

What is For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06?

This repair kit is engineered to replace the original C-column reinforcement that supports the convertible roof on E46-generation BMWs. It matches the OEM part number 54317135351 and is compatible with 2001-2006 325Ci, 330Ci, M3 and the 2005-2006 330Ci M variants. The kit includes all necessary brackets, bolts, and a pre-formed reinforcement bar, allowing a direct swap without custom fabrication.

Installation typically takes under two hours with basic hand tools, and the kit includes a step-by-step guide that references the factory service manual. The reinforcement bar is pre-bent to match the curvature of the C-column, ensuring a tight fit that restores the original torsional stiffness.

Key features

  • OEM fitment — matches factory part number for seamless installation.
  • Complete hardware set — brackets, bolts, and reinforcement bar included.
  • Corrosion-resistant material — coated steel resists rust in exposed engine-bay locations.
  • Lightweight design — restores strength without adding noticeable weight.
  • Easy DIY installation — fits standard torque specifications, no special tools required.
  • Cost-effective solution — $26.49 price replaces expensive dealer-installed repairs.

All components are packaged in a recyclable cardboard box, and the steel parts are treated with a zinc-phosphate coating to extend service life in humid climates.

Who is For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06 for?

The kit targets DIY enthusiasts, independent garage technicians, and owners who have identified a cracked or rusted C-column on their convertible. It is especially useful for those experiencing roof-water leaks, squeaks, or structural flex that compromises the roof’s sealing performance. Because the part restores the original load path, it is also recommended for safety-focused drivers who want to maintain the chassis rigidity of their sports coupe.

How does For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06 compare?

Compared with generic reinforcement brackets, this kit offers exact OEM geometry, eliminating the need for fit-adjustments. While a full roof replacement can cost several hundred dollars, the repair kit resolves the most common C-column failures at a fraction of the price. It does not provide the aesthetic upgrades of aftermarket carbon-fiber braces, but it delivers the durability and warranty confidence of a genuine BMW component.

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Best use cases

  • Repairing a cracked C-column on a 2004 330Ci convertible.
  • Fixing rust-induced weakness in a 2005 M3 roof frame.
  • Replacing a failed reinforcement after a minor collision.
  • Restoring structural support after water-damage to the roof.
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Is For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06 right for you?

Buy this kit if you own a 2001-2006 BMW convertible or coupe and have identified C-column damage such as cracks, rust or flex. It’s suited for DIYers comfortable with basic hand-tool work and for independent shops that prefer OEM-matched parts. Alternatives include generic reinforcement brackets, which may need fitting, or a full roof assembly replacement, which is far more expensive. The kit offers a balance of cost, fit and durability for most repair scenarios.

How it compares: Compared with generic steel brackets, this kit provides exact OEM geometry and a pre-bent bar, eliminating on-site adjustments. It is also far cheaper than a complete roof replacement, yet more reliable than aftermarket braces that lack BMW-approved coating. For most owners, it delivers the optimal mix of fit, durability and price.

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Frequently Asked Questions

What symptoms indicate the C-column needs this repair kit?

Typical signs include a visible crack or rust spot on the C-column, roof water leaking during rain, audible squeaks when the top is raised, and a noticeable flex or sag in the convertible roof. If you feel the roof panel wobble or see the metal frame deteriorating, the C-column reinforcement is likely compromised and needs replacement.

Does the kit include everything needed for installation?

Yes, the package contains the pre-bent C-column reinforcement bar, all required brackets, bolts, washers, and a concise step-by-step instruction sheet that references the factory service manual. No additional hardware is needed unless you choose to replace worn fasteners elsewhere in the roof assembly.

How long does installation typically take?

For an experienced DIYer or a professional shop, installing the kit usually takes between one and two hours. The process involves removing the old bracket, positioning the new pre-bent bar, torquing the bolts to specification, and confirming roof alignment. Less experienced users should allow extra time for reference to the guide.

Is this kit compatible with the M3 model?

The kit is listed for the 2001-2006 BMW M3 convertible and coupe, covering both the standard and M-spec roof assemblies. It matches the OEM part number used on the M3, so it provides the same structural reinforcement as the original factory component.

Can I install the kit without special tools?

Installation requires only common hand tools such as a socket set, torque wrench, and screwdrivers. No specialized equipment or welding is needed, making the kit suitable for most home garages. However, using a torque wrench to achieve the correct bolt tension is recommended for optimal safety.

How much does For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06 cost?

For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06 is $26.49 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.

Is For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06 in stock at Lab Work Auto?

Yes, For BMW E46 325Ci 330Ci M3 Convertible Top C Column Repair Kit 54317135351 98-06 is currently in stock at Lab Work Auto.

Specifications

SKU
F8-013820
Last updated May 14, 2026