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Roger, BMW Master Tech
Category: BMW
Satisfied Customers: 3045
Experience:  10 yrs. experience as BMW Master Technician, shop foreman and dealer.
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Bmw electric water pump- What is the #3 BSD wire signal and

Customer Question

bmw electric water pump- What is the #3 BSD wire signal and how does it control the speed of the pump
JA: Okay, I'll connect you to the mechanic to go over that information regarding your BMW. Before I do, is there anything else you want him to know?
Customer: I am using the bmw electric water pump in my hot rod
Submitted: 4 months ago.
Category: BMW
Expert:  JayPutelis replied 4 months ago.

Good Morning,

Do you still need assistance, I just logged in for the day, and saw your open question.

Thanks, JP