Dinan Stage 3 Performance Engine Software for BMW E82 135i E90 E92 335i (N55)

Product Description

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 is the definition of "Performance Without Sacrifice".  

Benefits of the Stage 3 Dinan Performance Software Upgrade:

+ Max gain of 18 HP and 7 lb-ft of torque over stage 2 when used in conjunction with the Dinan exhaust, oil cooler, and intercooler. 
+ Better Drivability than "Piggyback" boxes
+ Hassle Free Operation
+ Huge Torque Gains Drastically Improves Acceleration
+ No Shipping!  Available at ALL +130 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



  • 2011-2013  135i E88 Convertible 
  • 2011-2013 135i E82 Coupe 
  • 2011-2013  335i & xDrive E92 Coupe 
  • 2011 335i & xDrive E90 Sedan 
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 60 @ 5300
Max Torque Gain 80 @ 3900
Peak Horsepower 373 @ 5300
Peak Torque 408 @ 3500
Peak HP Gain 60 @ 5300
Peak Torque Gain 79 @ 3500
Factory Rated HP 300 @ 5800
Factory Rated Torque 300 @ 1300
Required Items Free Flow Exhaust, High Capacity Oil Cooler and High Performance Intercooler are required.