Over the past 40 years, Dinan has earned and maintained a solid reputation as North America’s premiere BMW tuner. Dinan engineers, manufactures, and markets a comprehensive line of BMW performance products and systems, including everything from chassis components to driveline parts and engine components. The company has never strayed from its commitment to excellence and strongly believes that BMW owners deserve to get the ultimate experience from their “Ultimate Driving Machine.” That being said, Dinan is constantly updating and expanding its catalog of parts with new and innovative additions that deliver quicker acceleration times, better airflow, more power, and the likes. Dinan is now pleased to announce a new product offering for the BMW E39 M5: the Dinan Carbon Fiber Cold Air Intake.
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The design goal for Dinan’s High-Flow Cold Air Intake System was very specific: ensure that the powerful E39 M5 engine has plenty of cool oxygen-rich air to breathe in for optimal performance under various driving conditions. This intake system replaces the BMW’s stock air boxes with proprietary twin high-flow air filters that feed large-diameter intake plumbing, carefully designed to minimize turbulence for maximum airflow benefit.
The filters are relocated outside of the engine compartment behind the front bumper and below the headlights. This is strategic so that it insulates the intake from the car’s high underhood temperatures. Additional heat shields are integrated to block the flow of power-robbing air that passes over the radiator. The Dinan Cold Air Intake System for the BMW M5 also includes modified fog light trim rings for a ram air effect at speed.
The ongoing development of Dinan’s cold air intake system revealed an interesting and noteworthy discovery. Through rigorous testing, it was determined that the stock location of the air temperature sensor within the Air Mass Meter was providing the engine management system with an artificially high reading, resulting in reduced power output. The culprit? Heat soaking. This was happening when adequate airflow was not passing over the Air Mass Meter like in stop-and-go traffic. Such instances were provided a reading that was much higher than the actual temperature of the air entering the car’s intake system.
The BMW M5’s sophisticated engine management system would then automatically back off timing as a result, reducing available power until airflow cools down the Air Mass Meter. To avoid these issues, Dinan’s cold air intake system includes an air temperature sensor relocation kit to give your car’s engine management system a more accurate reading and consistent performance no matter the driving conditions.
The newest iteration of Dinan’s cold air intake system goes back to its carbon fiber roots for a more showroom-worthy appearance. It also comes complete with an embossed Dinan logo instead of the inset Mylar decals that were prone to marring after decades of use.
Fitment:
- 2000-2003 BMW E39 M5
Features:
- + 5 HP @ 7000 RPM, + 4 LB-FT @ 7000 RPM
- coupled w/ engine software
- More power and improved throttle response.
- Uses larger cylindrical performance filters for increased flow.
- Filters re-located to maximize exposure to cooler outside air.
- Larger diameter plumbing to minimize turbulization and maximize flow.
- AMM relocation kit included for clean factory-like install.
- Re-designed carbon fiber tube with updated logo for long-lasting durability.
- 50 State Emissions Legal: CARB EO D-176-21.
Learn More and Get the Dinan Carbon Fiber Cold Air Intake Here.
If you have any questions, please do not hesitate to contact the Vivid Racing team. You can reach us by phone at 1-480-966-3040 or via email at [email protected].
