1987-1988 BMW 535i M5 Electrical Troubleshooting Manual Written by Mike Oswald on June 18, 2024 1987-1988 BMW 535i - M5 Electrical Troubleshooting ManualLeave a Comment CancelYour email address will not be published. Required fields are marked *MessageName *Email Address *Website Save my name, email, and website in this browser for the next time I comment.