ENGINE PERFORMANCE – BMW 550xi 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.4L TWIN TURBO

4.4L Twin Turbo, Engine Performance Wiring Diagram (1 of 6) for BMW 550xi 2012

List of elements for 4.4L Twin Turbo, Engine Performance Wiring Diagram (1 of 6) for BMW 550xi 2012:

• (behind right rear wheel) fuel tank leakage diagnostic module
• Accelerator pedal module
• Cas bus sig
• Central gateway module
• Computer data lines system
• Cooling fans system
• Diagnosis socket
• Digital motor electronics (dme) control module (right rear engine compt)
• Electric changeover valve
• Electric fan activation
• Eng spd snsr
• Flexray bus sig
• Fuse 20a
• Fuse 5a
• Gnd temperature sens
• Hot w/ terminal 15n relay energized
• Hot w/ terminal 30b relay energized
• Ignition coils (1 to 5: right side of engine) (6 to 8: left side of engine)
• Ignition coils interference suppression capacitor
• Ignition coils interference suppression capacitor 2
• Integrated chassis management
• Junction box (right side of dash)
• Lin bus sig
• Nca
• Pnk
• Pt-can bus sig
• Rear fuse holder (right side of rear compt)
• Red
• Sig diagnostic module
• Spark plug
• Speed sig
• Start sig
• Temperature sensor sig
• Terminal 15
• Transmission oil pump
• Transmission oil pump relay
• Wake-up sig
• X13 2b
• X64561
• X64562
• X64563
• X64564
• Z1 3b
• Z1 7b

4.4L Twin Turbo, Engine Performance Wiring Diagram (2 of 6) for BMW 550xi 2012

List of elements for 4.4L Twin Turbo, Engine Performance Wiring Diagram (2 of 6) for BMW 550xi 2012:

• (below right rear seat) electric fuel pump
• (front of engine) temperature sensor
• 550i, 550xi
• 550igt, 550xi gt
• Accelerator pedal module (part of acceleration pedal assembly)
• Activation gnd
• Bus sig
• Can-bus
• Car access system
• Computer data lines system
• Electric throttle valve actuator 2
• Engine speed sensor gear box transmission
• Exhaust flap electric changeover valve
• Exhaust vanes solenoid valve 2
• Fuel pump control (ekps)
• Fuse 20a
• Fuse 5a
• Gnd
• Hot w/ terminal 15n relay energized
• Hot w/ terminal 30b relay energized
• Intake vanes solenoid valve 2
• Knock sensor cylinder 5 & 6
• Knock sensor cylinder 7 & 8
• Nca
• Rear fuse holder (right side of rear compt)
• Sply term 30b
• Wake up sig
• Z10 16b z10 10b (550igt, (550i, 550xi) (under spare tire) 550xi gt) (under front of center console)

4.4L Twin Turbo, Engine Performance Wiring Diagram (3 of 6) for BMW 550xi 2012

List of elements for 4.4L Twin Turbo, Engine Performance Wiring Diagram (3 of 6) for BMW 550xi 2012:

• (behind charge air cooling expansion tank) turbocharger coolant pump
• (not used)
• (rear of engine) exhaust camshaft sensor 2
• (rear of engine) intake camshaft sensor 2
• Air control valve 2
• Air mass flow sens 2
• Camshaft sens 2
• Camshaft sensor 2
• Charcoal filter valve
• Digital motor electronics (dme) control module (right rear engine compt)
• Fuse 100a
• Fuse 30a
• Fuse box (under spare tire)
• Fuse holder
• Gnd rail press sens 2
• Ground
• Hot at all times
• Ign coils & fuel inj
• Ignition & fuel injection load shedding relay
• Knock sens sig
• Low press fuel sens
• Low pressure fuel sensor (top of engine)
• Manifold press sens 2
• Nca
• Oxygen sens 2 gnd
• Oxygen sens 2 sig
• Oxygen sensor 2 before catalytic converter
• Red
• Terminal 87
• Throttle valve 2
• Vanes sol valve 2
• Volume control valve 2
• Volume ctrl valve 2
• Wastegate valve 2
• X168 1b
• X60004
• X6053
• X7517
• X8682
• X8683

4.4L Twin Turbo, Engine Performance Wiring Diagram (4 of 6) for BMW 550xi 2012

List of elements for 4.4L Twin Turbo, Engine Performance Wiring Diagram (4 of 6) for BMW 550xi 2012:

• (bottom rear of engine) crankshaft sensor
• (left front of engine) air mass flow sensor 2
• (rear of engine) exhaust camshaft sensor
• (rear of engine) intake camshaft sensor
• Boost pressure sensor 2
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Hot w/ terminal 15n relay energized
• Hot w/ terminal 30b relay energized
• Intake air temperature/intake manifold pressure sensor 2 (left side of engine)
• Junction box (right side of dash)
• Knock sensor cylinder 1 & 2
• Knock sensor cylinder 3 & 4
• Nca
• Oxygen sensor 2 after catalytic converter
• Pressure converter wastegate valve
• Pressure converter wastegate valve 2
• Rail pressure sensor 2 (on left cylinder bank fuel rail)
• Recirculated air control valve 2
• Red
• Tank vent valve
• Thrust air control valve
• X13 1b
• X13 2b

4.4L Twin Turbo, Engine Performance Wiring Diagram (5 of 6) for BMW 550xi 2012

List of elements for 4.4L Twin Turbo, Engine Performance Wiring Diagram (5 of 6) for BMW 550xi 2012:

• (bottom of engine) oil condition sensor
• (front of engine) exhaust vanes solenoid valve
• (front of engine) intake vanes solenoid valve
• Air control valve
• Air press sens 2
• Alternator
• Bsd bus sig
• Camshaft sensor
• Coolant pump
• Cooling fans system
• Digital motor electronics (dme) control module (right rear engine compt)
• Fuse 30a
• Ground
• Hot w/ terminal 15n relay energized
• Junction box (right side of dash)
• Knock sens sig
• Manifold press sens
• Map thermostat
• Mass flow sens 2
• Oxygen sens 2 sig
• Oxygen sens gnd
• Oxygen sens sig
• Rail press sens 2
• Red
• Terminal 15
• Throttle actr 2
• Throttle valve actr
• Vanes sol valve
• Volume control valve
• Volume control valves relay
• Volume ctrl valve
• Volume ctrl valves
• Wastegate valve
• X13 1b
• X60002
• X60004
• X7517

4.4L Twin Turbo, Engine Performance Wiring Diagram (6 of 6) for BMW 550xi 2012

List of elements for 4.4L Twin Turbo, Engine Performance Wiring Diagram (6 of 6) for BMW 550xi 2012:

• (bottom of engine) oil pressure switch
• (front of engine) electric throttle valve actuator
• (front of engine) engine coolant temperature sensor
• (not used)
• (on right cylinder head fuel rail) rail pressure sensor
• (right front of engine) air mass flow sensor 1
• (right side of engine) intake air temperature/intake manifold pressure sensor
• Activation ign coil 1
• Activation ign coil 2
• Activation ign coil 3
• Activation ign coil 4
• Activation ign coil 5
• Activation ign coil 6
• Activation ign coil 7
• Activation ign coil 8
• Air mass flow sens 1
• Air pressure sensor
• Boost pressure sensor
• Bsd bus signal
• Coolant temp sens
• Crankshaft sens sig
• Cylinder 1
• Cylinder 2
• Cylinder 3
• Cylinder 4
• Cylinder 5
• Cylinder 6
• Cylinder 7
• Cylinder 8
• Digital motor electronics (dme) control module (right rear engine compt)
• Fuel injectors
• Fuse 30a
• Gnd
• Gnd rail press sens
• Gnd temp sens
• Hot w/ terminal 15n relay energized
• Junction box (right side of dash)
• Manifold press sens
• Nca
• Oil pressure switch
• Oxygen sens gnd
• Oxygen sens sig
• Oxygen sensor after catalytic converter
• Oxygen sensor before catalytic converter
• Rail press sens
• Red
• Temperature sens
• Temperature sensor
• Terminal 30b
• Throttle valve actr
• X13 2b
• X60001
• X60002
• X60005