A 15-percent increase in spring stiffness is part of Dinan’s enhancements to the suspension.
The Dinan BMW M550i xDrive, a roomy road warrior for any day of the week.
Dinan’s new G30 M550i exhaust system includes double-walled black tips that measure 4 inches in diameter.
Upgrades help the 4.4-liter, twin-turbocharged V-8 engine make 606 hp and generate 635 ft lbs of torque.
The car’s Driving Dynamics Control features three modes—Sport, Eco Pro, and Comfort.
The interior’s impressive instrumentation and driver displays.
The Dinan BMW M550i xDrive lives up to the Alabama-based tuner’s mantra of “Performance without Sacrifice.”