my BMW is leaking from the water valve coolant pump which pumps the coolant into the water valve bypass. Upon replacing this unit I have beenadvice to replace the water valve junction also, it was said that there has been modification or revision done to these units because of complaints of car not heating up fast enough. Is this true and should I replace both units.
coolant leaks at water valve on 1994 BMW 740iL
by Visitor in Cincinnati, OH on December 21, 2010
ANSWER by ZeeTech on December 21, 2010
There is a revised heater control valve available, but if your heater was working correctly I wouldn't worry about much. Zee
Shop discovered coolant leaks after valve caskets and crank case was changed last week on my ca...
Leaks are known to develop in the cooling system. It is common to see more than one part recommended for repair/replacement due to overlapping labor and the use of many plastic parts in the system.
What causes over heating after I have replaced my Water Pump. WHat else should I look for to change?