all sensor lights are on in car after replacing the waterpump ? on 2002 BMW 745Li

we replaced the water pump and now all the lights are on brake engine abs ect these were not on prior to replaceing waterpump can some one please tell me how to turn them off reset them or somthing

Asked by for the 2002 BMW 745Li
you need to reset ur onboard computer, its just the as reseting ur computer after an oil change...