Dinan Carbon Fibre Cold Air Intake for BMW 540i (E39) 1999-2003
Enhance your BMW 540i (E39) with the Dinan Carbon Fibre Cold Air Intake, designed for models from 1999 to 2003. As an authorised dealer of Dinan products, we offer this high-performance intake system that significantly boosts your vehicle’s horsepower and torque by optimising engine airflow.
Key Features
- Improved Airflow: The system’s aggressive design reduces intake restrictions, enhancing engine efficiency and lowering intake air temperatures.
- Performance Filter: Replaces the factory air box with a cylindrical performance filter and carbon fibre intake pipe.
- Optimal Placement: The filter is strategically relocated to a compartment behind the front bumper and below the headlights, insulating it from engine heat and maximising exposure to cooler outside air.
- Efficient Design: The airflow meter pipe is engineered to minimise air turbulence, ensuring maximum efficiency.
- Showroom Appearance: The latest version features a carbon fibre finish with an embossed Dinan logo, offering a sleek and durable look.
Vehicle Fitment
- Model: BMW 540i
- Platform: E39
- Years: 1999-2003
For compliance with vehicle emissions laws, please verify regulations in your local country or territory.
Installation Notes
Stage 2 Engine Software recommended for optimum performance and drivability.
Intake fits E39 540i’s with a build date after 10/1998 (M62TU Engine). 1997-98 540i’s with the M62 engine are not compatible.






