large image extra large image large image extra large image remove four 10mm water pump large image extra large image diy stewart water pump expansion tank coolant change 2 tensioner pullies e46fanatics diy stewart water pump expansion tank coolant change 2 tensioner pullies e46fanatics picture shows water pump pulley removed figure k large image extra large image loosen water pump pulley bolts before removing engine belts 4 10mm bolts large image extra large image figure l tightening torque specifications pulley bolts 10nm water pump nuts 10nm figure i bmw e46 cooling system overhaul removing water pump 11517527799 graf water pump update replacement with metal impeller figure j remove belts large image extra large image smg pump location on a 2003 e46 bmw m3 image to view larger version pop the protection cap from the pulley and insert a t50 bit and remove the bolt the pulley just drops replace it with new one and tight back to 35 40nm details about for bmw e46 328i 328 330ci 330 petrol engine coolant water pump meyle germany once in place re install all the hoses drain plugs and connectors one step completed at a time the only thing left not in place was the bleed bmw fuel filter replacement water pump 11517527799oe genuine bmw water pump with composite impeller bmw e46 cooling system overhaul removing air scoop water pump thermostat package metal e46 non m e39 6cyl x3 x5 z4 diy stewart water pump expansion tank coolant change 2 tensioner pullies e46fanatics ste30330 water pump details about engine water pump w metal impeller for bmw x3 x5 z3 z4 325xi 330ci 91 06 l6 gas figure i use t 50 socket to relieve tension on a c belt use 8mm allen socket to relieve tension on the water pump alternator home water pump water pump thermostat package composite e46 non m e39 6cyl x3 x5 z4 large image extra large image home cooling system overhaul kit e46 2006 bmw 325i water pump engine electrical coolant pump11517586925 figure 12 shows your new water the final step is to remove the actual water pump locate the 4 bolts that hold the composite pulley on the water pump and remove them bmw e46 3 series 1900x1200 06 750x500 figure d remove i have an major inspection due in 7 000 miles i will be replacing all those parts at that time haha unless my baby makes me do it earlier bmw e46 cooling system overhaul belt tensioner lswpbm01 diy stewart water pump expansion tank coolant change 2 tensioner pullies e46fanatics large image extra large image