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  1. 1995 E36 316 Abs/brake pump on after turning off ignition

    BMW 3 Series Forum - Technical Talk on the BMW E21
    hi there pulled up outside pub to do gig with my band,turned off ignition of the car, noticed buzzing coming from front end.lifted bonnet listened. Under battery tray there's a motor with pipes coming out of it,this was buzzing away. Has been making a funny groaning noise on start up for a while...