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Dinan Stage 3 Performance Software Upgrade F10 550i for BMW 550i & xDrive F10 2011-2013





Get the most out of your performance upgrades from the combination of the Performance Software and your Dinan parts upgrades. Software upgrades are specifically designed and tuned for the Dinan upgrade.

Benefits of the Stage 3 Dinan Performance Software Upgrade:

+ 500HP & 581 ft-lb TQ when used in conjunction with the Dinan Free Flow Exhaust system.
+ Downloads through the BMW diagnostic port, the same way BMW loads software
+ Top Speed Governor Removed, you decided how fast you want to go
+ Factory Matching Warranty Coverage (4year/50,000 mi), no sleepless nights or being scared to visit a 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
+ Retain All BMW Factory Engine Damage Safeguards