SPEED ENGINEERING 14649 Diffuser for BMW M3 (E90 / E92)

Description SPEED ENGINEERING 14649 Diffuser for BMW M3 (E90 / E92)

The SPEED ENGINEERING 14649 diffuser is designed for the BMW M3 E90 / E92. It combines motorsport-focused aerodynamics with a layout that balances low aerodynamic drag and increased downforce.

The diffuser covers as much of the rear cavity as possible to reduce turbulent Airflow and support laminar Airflow. Its aluminium construction is Lightweight and sturdy, while multiple connection points help distribute force evenly across the diffuser panel.

Original mounting points are used wherever possible, so no cutting is required.

Installation Note: In rare cases, an additional hole may need to be drilled.

Fitment Note: Developed for base vehicles with Coilover Suspension and low Ride height. Vehicles with a different Exhaust system or modified rear bumper may require diffuser adaptation.

• Designed for the BMW M3 E90 / E92
• Balances aerodynamic drag and downforce
• Covers the rear cavity to reduce turbulent Airflow
• Supports laminar Airflow beneath the rear section

Specifications:

• Material: Aluminium
• Certification: Parts certificate included
• Approval Requirement: Supplied edge protection must be fitted for approval
• Ground Clearance Requirement: 8 cm with the diffuser installed
• Base Vehicle Exhaust System: Milltek Exhaust system

Kit comes with:

• SPEED diffuser
• Various brackets
• Fixing materials
• Parts certificate
• Edge protection