Location: LA county. iTrader: ( 0) z4 key fob: rooftop activation distance and other functions. i perused through several pages but did not find what i was looking for. in this youtube video, there are a lot of functions just from the fob alone and the person operating the remote appears to be at least 10 feet away. When I press the window switch up and down I hear some electrical activity at the switch but nothing in the door. The drivers door control buttons are all illuminated and all other windows work fine. I tried the courtesy down function with the key in the door lock and all windows responded as usual except for the driver's side. I remained closed. Roof Problems Help! get in the car hold down the open roof button the windows go down and the first part of the roof starts to open around 25% then just stops, the roof will then will not continue to open or close, the only way is to take the key out then the roof will drop into the close position and if you hold the close roof position it will Spread the love. New BMW Key Fob Programming Steps Then, take your key out of the ignition. Press the BMW logo on your BMW key fob 3 times while holding down the unlock button. Let go of the unlock button after the third time you’ve pressed the BMW logo. Then, turn on the ignition, and your new key should be paired with your BMW! Hey guys, I have a 2004 Z4. The roof stuggles to open and close. To the point now it works good in the beginning of the season and stops after a month or two all together. This year it won't budge. Latches work fine, and motor is whirring strong. I think it's a hydraulic fluid issue, but Try the poor mans coding trick. This has worked for LCM issues for me in the past, might be worth a shot. Disconnect your battery for 20 minutes, then use a wrench and short the positive and negative cables together (not while attached to the battery). This will reset the LCM and might just bring your car back to life. 2007 z4 soft top not working hello again i've done these things : - service hydraulic pump and changed oil and test the roof worked perfect directly with battery power - change the roof computer module behind driver seat - changed roof switch in the trunk roof works with battery direct power but still not working with the roof Open/close button 2021 BMW Z4 sDrive30i [10.00] I just recently read a piece from the manufacturer of soft top material concerning maintenance and they say you should only wash the top when it gets stained (bird droppings, tree sap, etc.). A new switch is $35.00 from the dealer. If you press the button and the top unlocks but does not move, then based on your cars age, it most likely is the Soft Top motor that has failed. A new motor is $500.00 from the dealer. Less from online sources. To have the dealer perform this repair is $1600. Hi all. I have a z4 and the boot lid stoped closing. A new locking soft close mechanism is around £400 so. I thought I would have a look myself. Once the car boot lid is striped out so you can see the mechanism make sure you look at all the wires. You need to take the mechanism off the car but keep the wires connected. GJ5B6.