Dinan Performance Engine Software - BMW 2004-2005 / E63 / E64 / 645CI 4.4L V8 | D900-456
Tuning starting at... $119.95
Select Your Car to Verify Fitment
Performance Engine Software extracts additional power as well as improves drivability. The software safely raises the rev-limiter by 250 rpm, enabling you to carry more road speed in each gear, as well as optimize shift points. 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.
Stage 1 Features:
- More Power: Max gains of +8 HP @ 6600 RPM and +6 lb-ft TRQ @ 6600 RPM
- 50 State Emissions legal; CARB EO # D-176-35
- 250 RPM rev-limit increase
- Improved throttle response
- Top speed governor removed
- Smooth and predictable power delivery
K&N free flow air filter element recommended for optimum performance.
Stage 3 Performance Engine Software has been tuned specifically for use with Dinan's High Flow Intake and Throttle Body optimizing power output as well as improving drivability.
Stage 3 Features:
- More Power (with intake and throttle body): Max gains of +23 HP and +17 lb-ft TRQ
- 50 State Emissions legal; CARB EO # D-176-35
- 250 RPM rev-limit increase
- Improved throttle response
- Top speed governor removed
- Smooth and predictable power delivery
Dinan High Flow Cold Air Intake and Throttle Body are required in order to run the Stage 3 Performance Engine Software.
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
