One problem related to windshield wiper/washer has been reported for the 1997 BMW 528. The most recently reported issues are listed below.
Windshield wipers failed to work in rainstorm. Car towed to dealership. Service advisor stated there is a service bulletin for replacement of a relay, which "we are having trouble with. " he said there was no recall--they were only replacing those that failed. This is outrageous! this is a safety hazard. There should be a recall for this part.