BMW Repair Questions? Ask a Mechanic for Answers ASAP
Remove intake filter housing.Remove front underbody protection.Drain coolant from radiaator
Unfasten plug connection (1) and disconnect.Pull out lock (2).When replacing coolant expansion tank:Unlock coolant level sensor (1) by turning and pull out of coolant expansion tank.
Pull locks (1 and 2) upwards and detach coolant hose from radiator/coolant expansion tank.Pull lock (1) upwards and detach coolant hose from coolant expansion tank.Pull coolant expansion tank a little out of retaining plate and lower connection piece. Then tilt expansion tank to rear and remove.Installation:Check O-rings. Under no circumstances coat O-rings with antiseize agent prior to installation.Retaining lug must engage in opening in retaining plate.