Dinan Stage 2 Performance Engine Software for BMW X1 X5 X6 xDrive35i N55 Engine

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. 

The Dinan Team made a 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.


  • Substantial Power Increase
  • 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
  • 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

Peak Horsepower: 355 @ 5300 RPM 
Peak Torque: 401 @ 3500 RPM


  • 2013-2015 BMW X1 xDrive35i E84
  • 2011-2013 BMW X5 xDrive35i E70 
  • 2011-2014 BMW X6 xDrive35i N55 E71 
  • 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.
Peak Horsepower 355 horsepower at 5300 rpm
Peak Torque 401 lb-ft torque at 3500 rpm
Required Items None