I am having problems with the windscreen wipers on my E39 525. Wipers Start up ok when first switched on but stop mid sweep on any setting after about 5 mins. Will not start again until I switch off ignition and re-start the engine and will then work for a few mins but then stop. Interval gets shorter and shorter.
Have replaced the relay but it hasn't cured the problem
Has anyone any suggestions what to try next.