Bentleys shows relay no. 8 for water pump on 1989-90 models. Viewed from front of the car, there is a bank of 4 relays (nos 1 to 4) closest to the windscreen and another bank of 5(nos 5 to 9) in front of them. Counting left to right, no 8 is 4th one along in front rowOriginally Posted by E34-520iSE