BMW 745i multiple electrical issues after 3.5 years in storage including non-working turn signals, wipers, AC blower, instrument cluster, parking brake, sunroof, and power windows on BMW 745i

Some BMW 745i owners report experiencing various electrical issues after their vehicles have been in storage for an extended period, particularly after 3.5 years. These issues include non-working turn signals, which are commonly linked to electrical system malfunctions. Additionally, owners have reported problems with non-functioning wipers, AC blowers, and instrument clusters, all of which may stem from similar electrical failures. The parking brake system can also be affected, leading to non-working components, while electrical issues may cause the sunroof and power windows to malfunction as well. Given the range of potential electrical problems, it is advisable for owners to have their BMW 745i inspected by a qualified technician to effectively diagnose and address these concerns.