To find the cam type for your specific 2011 BMW Z4, I recommend the following:
* Consult your owner's manual: This should have information about the engine and its specifications, including the cam type.
* Check the BMW website: You can find technical details about your car model on the official BMW website.
* Contact your local BMW dealer: They can provide you with accurate information about your vehicle.
Please note: The cam type can vary depending on the engine size and configuration of the 2011 BMW Z4.