Many people seem to be under the false impression that the new Valvetronic engines don't have a throttle body. This is clearly not the case however the throttle body for these applications functions as part of the traction control system, as well as a ''safety valve'' of sorts. Regardless of the function the size of the hole still represents a restriction of intake air-flow, making the larger bore of the Dinan high flow versions enable the engine to breathe better for more horsepower and torque, most effectively in wide-open throttle scenarios.

Dinan Dinan High Flow Throttle Body - 2006-2010 BMW 550i/650i/750i D760-3650A

Specifications:

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This Part Fits:

Year	Make	Model	Submodel	Notes
2006	BMW	550i	Base
2007	BMW	550i	Base
2008	BMW	550i	Base
2009	BMW	550i	Base
2010	BMW	550i	Base
2006	BMW	650i	Base
2007	BMW	650i	Base
2008	BMW	650i	Base
2009	BMW	650i	Base
2010	BMW	650i	Base
2006	BMW	750i	Base
2007	BMW	750i	Base
2008	BMW	750i	Base
2006	BMW	750Li	Base
2007	BMW	750Li	Base
2008	BMW	750Li	Base