VR Tuned ECU Flash Tune BMW 5 Series 520i 170hp E60 | 61 2003-2010

The BMW 5 Series 520i 170hp ECU flash is available from VR Tuned. With ECU flashing not only do you gain horsepower and torque, driving characteristics are vastly improved giving you improved throttle response and better driveability.

Crank Horsepower Ratings:

• Stock Power 170hp | 155 ft/lbs
• Tuned Power 182hp | 169ft/lbs

• #1 priority is our customer service to you!
• Our tuning is used worldwide. We have powered vehicles of all types.
• All ECU tunes can be reverted back to stock if necessary.
• With the VR Tuned ECU Flash, basic bolt-on performance parts will not require a retune of your ECU.
• Adding parts such as an exhaust, intake, plenum, pulley, will all adjust with the tune.
• For gasoline vehicles, if you add higher octane fuel, the ECU will adjust accordingly.
• We can tune cars worldwide including JDM, EU, Australian, and USA cars for different types of octane or environments.
• Other custom enhancements are available if requested and applicable.
• We test and dyno tune on our own cars to make sure what you get is safe, reliable, and gives you the results you want!

How to Flash Your ECU?

• Bring your vehicle to our facility where we can use our Master Cable to flash your vehicle.
• Use the VRTuned iFlash OBDII device. This REQUIRES a Windows PC.  You can flash between the stock and tuned at anytime. See Instructions Here.
• Use the DimSport handheld device. This REQUIRES a Windows PC.  You can flash between these at anytime.  See Instructions Here.

For reference, this ECU is a Siemens/Continental MS43 / Siemens/Continental MSD81.