Hello. I have a 91 740 sedan that leaks water through the slot of the brake pedal underneath the driver's side of the interior under the dashboard when it rains. How can I get to the leak and where do you suppose it is coming from? It has 78k miles on it. I don't see it happening when it is happening, however, I can clearly see white blue residue on the rubber of the slot. I have checked the drain hose on the firewall and it is clear. Could the problem be further up from that hose?
Thank you very much!
hairyg