heating system

1987 BMW 535I
160,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
ALAN MOORE
  • MEMBER
  • 1 POST
my heater blows sporadically and eventually grinds to a stop, only to start up again later, then grinds to a stop again.
Dec 31, 2010 at 7:32 PM
Advertisement
Avatar
MERLIN2021
  • CERTIFIED EXPERT
  • 17,250 POSTS
Souds like the blower motor, replace it like this:
HEATER BLOWER MOTOR

Removal

From engine compartment, disconnect battery negative cable. Pull back rubber strip and remove
retaining bolts from upper heater wall. Lift up blower plates and pull off plugs. Disconnect retaining
straps and remove blower motor.
Installation

To install, reverse removal procedure.
Dec 31, 2010 at 7:42 PM