DInan Stage 2 Performance Engine Software for BMW E82 135i E90 E92 E93 335i (N55)


The Dinan Team made the fast software upgrade, using their years of experience tuning BMWs for the street as well as winning back-to-back Grand-AM DP Championships and the 2011 24 Hours of Daytona.

Dinan Performance Software is so much more than just tuning up the turbo boost. It is a fully re-tuned engine management program that maximizes power while keeping all the BMW factory safeguards in place. Protecting your BMW while giving the most performance.  

Benefits of the Stage 2 Dinan Performance Software Upgrade:

  • Max gain of 55 HP and 74 lb-ft of torque over stock
  • Better Drivability than "Piggyback" boxes
  • Hassle Free Operation
  • Huge Torque Gains Drastically Improves Acceleration
  • No Shipping!  Available at ALL +180 Dinan Dealers Around the World
  • No Hesitation Between Shifts
  • Downloads through the BMW diagnostic port, the same way BMW loads software
  • Top Speed Governor Removed on manual RWD vehicles, you decided how fast you want to go. *The stock top speed governor is retained for automatic transmission vehicles.
  • Factory Matching Warranty Coverage (4year/50,000 mi), no sleepless nights or being scared to go to the BMW dealer
  • Full Map Rescaling, for drivability from idle to wide open throttle and everywhere in between
  • Properly Returned Fuel Mixtures, to save you gas and protect your engine
  • Water Pump Speed Increased, to improve cooling
  • Retain All BMW Factory Engine Damage Safeguards
  • No Required Parts, install on a stock car and receive the full power gains
  • 2011-2013 BMW 135i E82 Coupe 
  • 2011 BMW 335i & xDrive E90 Sedan 
  • 2011-2013 BMW 335i & xDrive E92 Coupe 
  • 2011-2013 BMW 335i E93 Convertible 
  • 2011-2013 BMW 135i E88 Convertible 
  • 2011-2013 BMW 135i Convertible
  • 2011-2013 BMW 135i Coupe
  • 2013 BMW 135is Convertible
  • 2011-2013 BMW 135is Coupe
  • 2011-2013 BMW 335i Convertible
  • 2011-2013 BMW 335i Coupe
  • 2011 BMW 335i Sedan
  • 2011-2013 BMW 335xi Coupe
  • 2011 BMW 335xi Sedan
  • 2013-2015 BMW X1 xDrive35i
  • 2011-2013 BMW X5 xDrive35i
  • 2011-2014 BMW X6 xDrive35i
Product Specifications:
Labor Hours/Installation Hours 0.50
Emission Status 50 State Emissions Legal.
California Air Resources Board Executive Order Number D-176-39.
Max HP Gain 55 @ 3900
Max Torque Gain 74 @ 3900
Peak Horsepower 355 @ 5300
Peak Torque 401 @ 5300
Peak HP Gain 42 @ 5500
Peak Torque Gain 72 @ 3500
Factory Rated HP 300 @ 5800
Factory Rated Torque 300 @ 1300
Required Items None.