Carbon Front Subframe Brace
(E46 M3/E85 Z4M)

Tap right for info.

20% more rigid.

High modulus carbon is used to increase rigidity over the original aluminum brace.

40% lighter.

The carbon construction further reduces weight by 1.43 kg / 3.14 lbs.

Heat shielding.

Reflecting sheeting is added to the exhaust side to eliminate heat related damage.

1:1 design replica.

All mounting points and the NACA duct are retained. The jack pad can be fitted.
Spec your brace
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
Carbon Front Subframe High Strength Brace (E46 M3/Z4M)

Carbon Front Subframe High Strength Brace (E46 M3/Z4M)

Specifications: 

  • Made in Germany
  • 1:1 design replica of the OEM Belly Pan ( 51717893609)
  • Reduce weight by 40%
    • OEM: 3.41 kg / 7.5 lbs
    • Weight: 1.98 kg / 4.36 lbs 
  • Increased rigidity by 20% over OEM
    • Pre-preg carbon cured in autoclave
    • Multi-layered carbon construction
    • FEA analysis performed to ensure jack points remain usable
    • Raw carbon finish in 2x2 weave
  • Heat shielding is added to the exhaust side for long term durability. 
  • 2 years warranty
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Shipping calculated at checkout.

Installation Notes

This is a simple DIY. Hardware is not included. BMW considers the bolts on the chassis rails as one time use.

Complete the kit!

Our front brace is part of a complete carbon chassis strengthening kit.
Carbon Rear Subframe V Brace (E46 M3)
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Carbon Front Subframe High Strength Brace (E46 M3/Z4M)
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Carbon Exhaust Chassis Bracket (E46 M3)
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BUILD JOURNAL
Everything matters.

[coming soon] 

In this series, I will document the science, the unboxing and installation of the carbon chassis strengthening kit.

Cheers,
- Matt

Read the series (coming soon)
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