Dinan Performance Engine Software for BMW 745i 745Li E65 E66 2002-2005

Special Note: K&N free flow air filter element recommended for optimum performance.
Product Description
The software safely raises the rev-limiter by 250 rpm, and the top speed governor has been removed, enabling the cars to reach their natural top speed. Revised EML tuning provides improved drivability by speeding up throttle response.

Performance Engine Software is now available for the 745, extracting additional power as well as improving drivabiltiy. 

*Dyno results when combined with a K&N free flow air filter (available at additional cost).


  • 2002-2005 745i & Li E65/E66 
Product Specifications
Labor Hours/Installation Hours 0.50
Emission Status 50 State Emissions Legal
Max HP Gain 8 @ 6600 rpm*
Max Torque Gain 6 lb-ft @ 6600 rpm*
Included Notes Included Item Details