2005 BMW Z4

2005 SYSTEM WIRING DIAGRAMS BMW - Z4

2005 SYSTEM WIRING DIAGRAMS

BMW - Z4

USING MITCHELL1'S WIRING DIAGRAMS

AIR CONDITIONING

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Fig. 1: Automatic A/C Circuit (1 of 2)

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Fig. 2: Automatic A/C Circuit (2 of 2)

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Fig. 3: Manual A/C Circuit

ANTI-LOCK BRAKES

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Fig. 4: Anti-lock Brakes Circuit

ANTI-THEFT

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Fig. 5: Drive-Away Protection Circuit, W/ A/T

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Fig. 6: Drive-Away Protection Circuit, W/ M/T

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Fig. 7: Drive-Away Protection Circuit, W/ SMG

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Fig. 8: Forced Entry Circuit (1 of 2)

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Fig. 9: Forced Entry Circuit (2 of 2)

BODY CONTROL MODULES

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Fig. 10: Body Control Modules Circuit (1 of 2)

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Fig. 11: Body Control Modules Circuit (2 of 2)

COMPUTER DATA LINES

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Fig. 12: Computer Data Lines Circuit

COOLING FAN

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Fig. 13: Cooling Fan Circuit

CRUISE CONTROL

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Fig. 14: Cruise Control Circuit

DEFOGGERS

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Fig. 15: Defoggers Circuit, Convertible W/ CVM

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Fig. 16: Defoggers Circuit, Convertible W/ Hardtop

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Fig. 17: Defoggers Circuit, Convertible W/O CVM

ELECTRONIC POWER STEERING

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Fig. 18: Electronic Power Steering Circuit

ENGINE PERFORMANCE
2.5L

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Fig. 19: 2.5L, Engine Performance Circuit (1 of 3)

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Fig. 20: 2.5L, Engine Performance Circuit (2 of 3)

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Fig. 21: 2.5L, Engine Performance Circuit (3 of 3)

3.0L

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Fig. 22: 3.0L, Engine Performance Circuit (1 of 3)

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Fig. 23: 3.0L, Engine Performance Circuit (2 of 3)

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Fig. 24: 3.0L, Engine Performance Circuit (3 of 3)

EXTERIOR LIGHTS

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Fig. 25: Backup Lamps Circuit

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Fig. 26: Exterior Lamps Circuit (1 of 2)

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Fig. 27: Exterior Lamps Circuit (2 of 2)

GROUND DISTRIBUTION

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Fig. 28: Ground Distribution Circuit (1 of 3)

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Fig. 29: Ground Distribution Circuit (2 of 3)

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Fig. 30: Ground Distribution Circuit (3 of 3)

HEADLIGHTS

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Fig. 31: Headlights Circuit (1 of 2)

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Fig. 32: Headlights Circuit (2 of 2)

HORN

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Fig. 33: Horn Circuit

INSTRUMENT CLUSTER

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Fig. 34: Instrument Cluster Circuit

INTERIOR LIGHTS

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Fig. 35: Courtesy Lamps Circuit

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Fig. 36: Instrument Illumination Circuit

MEMORY SYSTEMS

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Fig. 37: Memory Systems Circuit

NAVIGATION

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Fig. 38: Navigation Circuit, W/ MIR

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Fig. 39: Navigation Circuit, W/ VID

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Fig. 40: Navigation Circuit, W/O VID

POWER DISTRIBUTION

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Fig. 41: Power Distribution Circuit (1 of 6)

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Fig. 42: Power Distribution Circuit (2 of 6)

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Fig. 43: Power Distribution Circuit (3 of 6)

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Fig. 44: Power Distribution Circuit (4 of 6)

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Fig. 45: Power Distribution Circuit (5 of 6)

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Fig. 46: Power Distribution Circuit (6 of 6)

POWER DOOR LOCKS

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Fig. 47: Power Door Locks Circuit

POWER MIRRORS

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Fig. 48: Electrochromic Mirror Circuit

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Fig. 49: Fold-back Mirrors Circuit

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Fig. 50: Power Mirrors Circuit

POWER SEATS

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Fig. 51: Heated Seats Circuit

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Fig. 52: Lumbar Circuit

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Fig. 53: Passenger Power Seat Circuit

POWER TOP/SUNROOF

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Fig. 54: Power Top/Sunroof Circuit

POWER WINDOWS

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Fig. 55: Power Windows Circuit

RADIO

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Fig. 56: Radio Circuit, W/ Base Radio

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Fig. 57: Radio Circuit, W/ HIFI Radio (1 of 2)

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Fig. 58: Radio Circuit, W/ HIFI Radio (2 of 2)

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Fig. 59: Radio Circuit, W/ Top HIFI Radio (1 of 2)

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Fig. 60: Radio Circuit, W/ Top HIFI Radio (2 of 2)

SHIFT INTERLOCK

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Fig. 61: 6-Speed SMG Circuit

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Fig. 62: A/T Circuit

STARTING/CHARGING

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Fig. 63: Charging Circuit

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Fig. 64: Starting Circuit

SUPPLEMENTAL RESTRAINTS

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Fig. 65: Supplemental Restraints Circuit (1 of 2)

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Fig. 66: Supplemental Restraints Circuit (2 of 2)

TRANSMISSION

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Fig. 67: 6-Speed SMG Circuit (1 of 2)

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Fig. 68: 6-Speed SMG Circuit (2 of 2)

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Fig. 69: A/T Circuit (1 of 2)

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Fig. 70: A/T Circuit (2 of 2)

TRUNK, TAILGATE, FUEL DOOR

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Fig. 71: Trunk, Tailgate, Fuel Door Circuit

WARNING SYSTEMS

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Fig. 72: Warning Systems Circuit

WIPER/WASHER

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Fig. 73: Wiper/Washer Circuit

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