BMW X3 Service & Repair Manual: Replacing heat exchanger

Necessary preliminary work:

IMPORTANT: Before ordering spare parts, determine manufacturer of the installed heater!

Installation note:

Pipes are included in the repair kit! Release screws (1).

Slide rubber grommet (2) with foam seal forward slightly.

Carefully feed pipe holder (3) with pipes (4) past rubber grommet (2).

Installation note:

If necessary, replace rubber grommet (2) and/or foam seal.

Make sure rubber grommet (2) is fitted correctly on pipe holder (3).

HVAC

If necessary, remove coolant hose (2).

Release screws (3) and remove cover.

NOTE: Diesel version only:

Unfasten plug connection (1) and disconnect.

Withdraw electric auxiliary heater (4) in direction of arrow.

Remove heat exchanger (5) from heater/air conditioner (6).

HVAC

Necessary preliminary tasks: Remove TRIM FOR INSTRUMENT PANEL, BOTTOM LEFT Disconnect plug connection (1). Pull evaporator temperature senso ...

Necessary preliminary work: Remove SUPPORT FOR DASHBOARD Release screws (1). Detach actuator drive for stratification flap (2) from heating/ ...

BMW X3 Service & Repair Manual > Clutch pedal with linkage: Removing and installing or replacing clutch pedal
IMPORTANT: After completion of work, perform a functional check. Necessary preliminary work: Remove left footwell trim . Press plastic pin (1) together and press out. Press out plastic pin (2). If necessary, disconnect over-center helper spring. Clutch hydraulic system remains ...

BMW X3 Owners Manual