AIR CONDITIONING – BMW Z3 1999 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

2.5L

2.5L, Manual A/C Wiring Diagram for BMW Z3 1999

List of elements for 2.5L, Manual A/C Wiring Diagram for BMW Z3 1999:

• & start
• (behind glove box) g201
• (behind left footwell speaker grille) g200
• (left front side of engine compartment) g100
• (on top of receiver-drier, behind right headlight) pressure switch
• (right front side of engine compartment) g103
• 15 bar or below
• A/c
• Above 18 bar
• Above 2.6 bar
• Above 30 bar
• Air conditioning compressor
• Air conditioning/ recirculating switch assembly
• All times
• Auxiliary fan motor (behind front grille)
• Below 1.5 bar
• Below 21 bar
• Blower motor (on rear of engine compartment, behind right fresh air intake)
• Blower relay (in front power distribution box)
• Blower resistors (center of firewall)
• Blower switch
• Compressor control relay (in front power distribution box)
• Engine control module (dme) (on rear right side of engine compartment, in "e" box)
• Evaporator controller (on right side of left footwell)
• Evaporator temperature sensor (on right side of left footwell)
• Fresh air recirculation motor (on right side of left footwell)
• Front power distribution box (on left rear corner of engine compartment)
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Fuse 7.5a
• Fuse holder (behind front of center console)
• High speed relay (in front power distribution box)
• Hot at
• Hot at all times
• Hot in run
• Hot in run & start
• Instrument cluster
• Nca
• Normal speed relay (in front power distribution box)
• Off
• Recirc
• Temperature switch (front right side of engine compartment)
• Temperature wheel switch
• Water valve (on rear left side of engine compartment, on firewall)
• X10016
• X10017
• X10018
• X271
• X60004

2.8L

2.8L, Manual A/C Wiring Diagram for BMW Z3 1999

List of elements for 2.8L, Manual A/C Wiring Diagram for BMW Z3 1999:

• & start
• (behind glove box) g201
• (behind left footwell speaker grille) g200
• (left front side of engine compartment) g100
• (on top of receiver-drier, behind right headlight) pressure switch
• (right front side of engine compartment) g103
• 15 bar or below
• A/c
• Above 18 bar
• Above 2.6 bar
• Above 30 bar
• Air conditioning compressor
• Air conditioning/ recirculating switch assembly
• All times
• Auxiliary fan motor (behind front grille)
• Below 1.5 bar
• Below 21 bar
• Blower motor (on rear of engine compartment, behind right fresh air intake)
• Blower relay (in front power distribution box)
• Blower resistors (center of firewall)
• Blower switch
• Compressor control relay (in front power distribution box)
• Engine control module (dme) (on rear right side of engine compartment, in "e" box)
• Evaporator controller (on right side of left footwell)
• Evaporator temperature sensor (on right side of left footwell)
• Fresh air recirculation motor (on right side of left footwell)
• Front power distribution box (on left rear corner of engine compartment)
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Fuse 7.5a
• Fuse holder (behind front of center console)
• High speed relay (in front power distribution box)
• Hot at
• Hot at all times
• Hot in run
• Hot in run & start
• Instrument cluster
• Nca
• Normal speed relay (in front power distribution box)
• Off
• Recirc
• Temperature switch (front right side of engine compartment)
• Temperature wheel switch
• Water valve (on rear left side of engine compartment, on firewall)
• X10016
• X10017
• X10018
• X271
• X60004

3.2L

3.2L, Manual A/C Wiring Diagram for BMW Z3 1999

List of elements for 3.2L, Manual A/C Wiring Diagram for BMW Z3 1999:

• & start
• (behind left footwell speaker grille) g200
• (front left side of engine compartment) g100
• (front right side of engine compartment) g103
• (not used)
• 0.5 0hms
• A/c
• Above 18 bar
• Above 2.6 bar
• Above 30 bar
• Acc
• Air conditioning compressor
• Air conditioning relay, motronic (in front power distribution box)
• Air conditioning/recirculating switch assembly
• All times
• Auxiliary fan motor (behind front grille)
• Auxiliary fuse box (under left side of dash)
• Below 1.5 bar
• Below 15 bar
• Below 21 bar
• Blower motor (on rear of engine compartment, behind right fresh air intake)
• Blower relay (in front power distribution box)
• Blower resistors (behind center of dash)
• Blower switch
• Compressor control relay (in front power distribution box)
• Engine control module (dme) (on right rear side of engine compartment, in "e" box)
• Evaporator controller (on right side of left footwell)
• Evaporator temperature sensor (on right side of left footwell)
• Fresh air recirculation motor (on right side of left footwell)
• Front power distribution box (on left rear corner of engine compartment)
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Fuse holder (behind front of center console)
• High speed relay (in front power distribution box)
• Hot at
• Hot at all times
• Hot in run
• Ignition switch
• Nca
• Normal speed relay (in front power distribution box)
• Off
• Pressure switch (on top of receiver-drier, behind right headlight)
• Recirc
• Run
• Start
• Temperature switch (front right side of engine compartment)
• Temperature wheel switch
• Water valve (on rear left side of engine compartment, on firewall)
• X10016
• X10018
• X1588
• X6000