13,070 Posts. #3 · Aug 21, 2012. markoside said: Need some help. 97 328i Convertible trunk will not open. I have turned the key all the way to the right and all the way to the left. Can hear the system actuate. Have also manually depressed the switch the is under the toneau cover, but the trunk will not open. The glove box is not locked. I'll show you how to fix your BMW's trunk problem caused by broken wires.I was unable to open and later to close the trunk, simply connecting wires solved my.