2008 BMW Z4 M Series Owner's Manual - Page 29

climate control to prevent a partial vacuum in the vehicle.< The fully automatic convertible top combines assured protection against the elements with simple and easy handling. Here are a few tips so that you get the most out of your BMW: > It is advisable to close the convertible top when the vehicle is parked. When closed, the top not only guards the passenger compartment from unforeseeable damage from the weather, but also affords a degree of protection against theft. Valuables, however, should only be kept in the locked cargo bay, even when the convertible top is closed. > Never mount a roof-mounted luggage rack system on the convertible top. Do not operate the convertible top at temperatures below 147/-106, otherwise damage could result. Never keep a wet convertible top in the convertible top compartment for longer than one day, otherwise the moisture could cause damage. Do not lay objects on the convertible top, otherwise they could fall off when the convertible top is operated and cause damage or injuries. Driving while the convertible top is not completely open or closed can cause vehicle damage or personal injury. Do not reach into the convertible top mechanism during opening and closing. Keep children away from the convertible top's range of movement. For safety reasons, whenever possible operate the convertible top when the vehicle is stationary.< If a convertible top operation has not yet been completed as you start to drive off, at a traffic light for example, you can continue the procedure at moderate speed: To do so, press and hold the corresponding Before opening and closing > Read and comply with the preceding safety precautions. > Make sure that the convertible top compartment panel in the cargo bay has been folded down; refer to page 23. Otherwise the convertible top cannot be opened. > Ensure that the luggage compartment lid/ tailgate is closed. Opening and closing With the key in ignition position 1 or higher, refer to page 40, and while the vehicle is stationary: If at all possible, operate the convertible top only with the engine running. This saves unnecessary battery wear. Before closing the convertible top, remove any objects from the windshield frame that otherwise could prevent the convertible top from closing properly.< 1 2 Closing Opening 27 Online Edition for Part no. 01 41 0 014 500 - © 08/07 BMW AG Reference The side windows will move down slightly when you press the button for operating the convertible top. After the opening or closing operation, the windows will move back up if you press the button for more than 2 seconds after the LED has gone Mobility Driving tips Controls At a glance Roadster: fully automatic convertible top* button again. At higher speeds, a vacuum effect in the passenger compartment can cause the convertible top to begin fluttering. Use the air conditioning or automatic climate control to increase the air flow rate and thus prevent a partial vacuum in the vehicle.