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Evaporator temperature sensor, remove and install.

Remove negative cable from battery. 610024.jpg (37957 bytes)

Non air bag equipped:

Remove the three 1/4 turn screws along top edge of panel and one below the steering column 510063.jpg (22743 bytes)

Pull panel forward and out. Remove chime module from bracket in panel.


510156.jpg (51767 bytes)

Air bag equipped:

Remove the four 7 mm hex head screws from bottom edge of trim panel. 510143.jpg (54911 bytes)
Remove the three Phillips screws securing trim panel to dash.
Remove trim panel.
510147.jpg (54496 bytes)
Pull horizontal panel down and forward.  Remove chime module wiring connectors or entire module by spreading the plastic clips securing it to the panel. 510148.jpg (54910 bytes)
Remove the knee bolster by removing two 10mm bolts on left and three 10mm bolts on right side of bolster. 510149.jpg (62083 bytes)
It is not always necessary to remove the center console in order to remove the evaporator temperature sensor, but it makes it easier to get to.
Remove rear console ashtray by opening, then lifting straight up, remove 10mm nut (arrow) below ashtray. 510001.jpg (35547 bytes)
Rigid boot: Pull up front of park brake cover and slide off handle.
Leather boot: Pull up front to release boot, feed boot through opening in console.
510002.jpg (42929 bytes)
Pull rear section of console back to disengage it from front section. Lift up at front and slide over parking brake lever. 510003.jpg (48747 bytes)
Squeeze edges of shift boot in and lift up. 510005.jpg (30954 bytes)
Pull boot up far enough to access wiring for lighted shift knob (if fitted) and unplug connector. 610033.jpg (31632 bytes)
Pull shift knob straight up to remove. A sharp tug is required. 510004.jpg (26497 bytes)

Remove insulation pad from around shifter (if fitted).
Remove power window switches and power window circuit breaker by lifting straight up.

Tight switches can be removed by placing fingers inside shift hole and pushing up.

510006.jpg (23088 bytes)
Remove 10mm nut from behind shifter, holding rear of console section to floor.

 

510007.jpg (48124 bytes)
Remove front ashtray by opening, then pulling straight up. 510009.jpg (28126 bytes)
Remove the two screws forward of the ashtray (arrows) and lift out the ashtray / lighter assembly. 510010.jpg (29858 bytes)
Unplug lighter and illumination bulb. 510011.jpg (60095 bytes)
Remove bolt from below heater slides. Position shown in mirror. 510117.jpg (38122 bytes)
Turn screws on either side of console, by firewall, 90° and remove. 510012.jpg (18799 bytes) 510014.jpg (16725 bytes)
Pull front section of console up and to the rear to remove. 510013.jpg (46325 bytes)
Locate temperature sensor above heater valve on left side of heater housing. (click on image for larger version)
If necessary, the vent tubing can be removed for better access. 

Early cars, remove concertina tube going to rear floor vents
All, remove Phillips screw and remove vent.

640052.jpg (69669 bytes)
Remove evaporator temperature sensor by disconnecting wiring and pulling sensor straight out of heater housing.

Installation:

Non air bag equipped:

Ensure rear edge of panel locates correctly in bracket on steering column. 510150.jpg (47381 bytes)



Air bag equipped:

Mount bolster first.
Ensure rear edge of horizontal panel seats in clip on center console. 510064.jpg (24615 bytes)
Loosely insert the four 7 mm hex head screws through horizontal panel into bolster.
Trim panel is slotted on bottom edge to allow it to be inserted past the screws.  Line up trim panel and install screws along upper edge first, tightening the hex screws along bottom edge last. 510151.jpg (52553 bytes)

 

 

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E30 M3 Repair Manual V2.7.  Copyright ©1999-2001 Koala Motorsport & Brett Anderson