E46 Vented Hood
We take care of the product
3-year warranty
Product description
The Karbonius Vented Hood for BMW M3 E46 combines significant weight reduction with improved functional thermal management of the engine bay, while maintaining an aesthetic perfectly integrated with the vehicle’s original lines.
Made entirely from pre-impregnated carbon fibre (prepreg) and autoclave-cured, this bonnet has been developed and produced at our facilities in A Coruña (Spain) by highly qualified staff with extensive experience manufacturing carbon automotive components.
This is a reinterpretation of the original M3 E46 hood, incorporating ventilation inlets carefully integrated into the design. These allow hot air accumulated in the engine bay to be evacuated, promoting better cooling and more efficient thermal management during sporty driving or under demanding conditions.
The hood’s inner structure has also been redesigned, adapting the structural reinforcements to the new exterior design. The part is manufactured in two sections (inner and outer) which are then bonded with high-strength structural adhesives, resulting in a lightweight and extremely rigid assembly.
Compatible with original BMW components, it allows reuse of OEM latches, kidney grilles and grilles, making integration into the vehicle easier.
For those looking for different finish levels, the bonnet is available in several versions:
EXTERIOR:
- Supplied straight from the mould. No clear coat inside or out. Ideal for custom projects or specific finishes.
- Primed – ready to paint
- 2×2 gloss exposed carbon, with automotive clear coat with UV protection for increased durability
INTERIOR:
- Supplied straight from the mould. No clear coat inside or out. Ideal for custom projects or specific finishes.
- 2×2 matte
- 2×2 gloss
- Forged carbon
Benefits of E46 Vented Hood
- Improves hot-air extraction from the engine bay.
- Supports better thermal management during sporty driving.
- Weight reduction compared to the original bonnet.
- Reduced mass over the front axle.
- Motorsport styling integrated into the OEM design.
- Compatible with original BMW latches, kidney grilles and grilles.
- Manufactured using prepreg and autoclave technology.
- Excellent structural stiffness and thermal stability.
- Premium finish available with UV protection.
- Exclusive part made in Spain.
Technical information and specifications
- Application: BMW M3 E46
- Material: pre-impregnated carbon fibre (prepreg)
- Manufacturing process: Autoclave cured
- Two-piece construction bonded with structural adhesives
- Approx. weight: 4.9 kg
- Approx. weight reduction: 4.3 kg vs. the OEM bonnet
- Compatible with original BMW latches
- Compatible with original BMW kidney grilles
- Compatible with original BMW grilles
- UV protection (depending on version)
- Made in A Coruña, Spain
- Warranty: 3 years against manufacturing defects
Compatible:
- BMW M3 E46
How to install the product
- Installation by specialized professional personnel is strongly recommended.
- Designed to use the vehicle’s original mounting hardware.
- Compatible with OEM latches, kidney grilles and grilles.
- Depending on vehicle tolerances, repair history or previous modifications, minor adjustments may be required during installation.
- Before painting or modify piece check carefully fitment on the car
Important: Although the hood has been developed to offer excellent fitment to the vehicle, as with any carbon-fibre component, alignment and adjustment work may be required during installation.
Warnings
- Product intended primarily for sports vehicles, track days, and competition.
- The vents help extract hot air from the engine bay, but they do not replace a cooling system.
- Although the product has been designed to offer high-quality fitment, an identical OEM fit is not guaranteed on all vehicles.
- Minor adjustments may be required during installation.
- It is recommended to verify fitment before carrying out any painting or finishing work.
- It is the customer’s responsibility to comply with the applicable regulations in their country for the use of this type of component on public roads.
- This product is not an OEM part, nor is it manufactured, approved, or sponsored by BMW AG.
- Prices shown are in euros and do not include shipping costs, taxes, or applicable fees.
- The indicated weights are approximate and may vary by around ±10%.
Documentation
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