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Dinan Performance Engine Software - 1999-2003 BMW 540i

Dinan
D900-445TU
Shop Install Only
BMW E39 540i
$119.95 $107.96
$107.96

Dinan Performance Engine Software - 1999-2003 BMW 540i
Dinan Performance Engine Software unleashes more power from your BMW 540i E39 by re-programming the fuel mixture and ignition timing parameters of the engine management system. Furthermore, the software safely raises the rev-limit, giving your BMW a broader power band and greater road speed potential in each gear. Significant gains are also achieved at part throttle, making extra power available where you spend the bulk of the time driving. The top speed governor has also been eliminated, enabling the vehicle to achieve its natural top speed.

Features:

  • More Power: Max gains of +9 HP @ 4500 RPM and +11 lb-ft TRQ @ 2000 RPM
  • 50 State Emissions legal; CARB EO # D-176-26
  • Top speed governor removed
  • Rev-limit increased
  • Improved throttle response
  • Smooth and predictable power delivery

Not compatible with the 540i (E39) from 1997-1998.

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