Wiring Diagram Cluster

1988 BMW 735i A/C & Heater Wiring Diagram

Find A/C compressor clutch wiring, blower motor circuits, temperature control module paths, and refrigerant pressure switch schematics.

Matched Diagrams

48

Variant Used

735i (E32) L6-3430cc 3.4L SOHC (M30)

Total Vehicle Diagrams

1472

πŸ€– Stuck on this electrical issue?

Wiring diagrams can be a maze. Ask Manuel, our factory-trained AI mechanic, to analyze this circuit or troubleshoot your specific symptom.

Ask AI Mechanic βž”

From Diagram To Fix

Use this wiring page as the jump point, not the dead end

Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 1988 BMW 735i hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

Stay in wiring

More System Pages for This Vehicle

Move laterally into the neighboring systems that usually share the same electrical neighborhood.

Starter Wiring Diagram β†’

Top A/C & Heater Diagram Paths

1.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Compressor ClutchGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > System DiagramGeneralOpen3.Compressor HVAC β€” Diagram Information and Instructions > Component ID (General List) > Part 1 AHeating and Air ConditioningOpen4.Compressor HVAC β€” Diagram Information and Instructions > Component ID (General List) > Part 2 BHeating and Air ConditioningOpen5.Compressor HVAC β€” Diagram Information and Instructions > Component ID (General List) > Part 3 C-GHeating and Air ConditioningOpen6.Compressor HVAC β€” Diagram Information and Instructions > Component ID (General List) > Part 4 H-MHeating and Air ConditioningOpen7.Compressor HVAC β€” Diagram Information and Instructions > Component ID (General List) > Part 5 N-ZHeating and Air ConditioningOpen8.Compressor HVAC β€” Diagram Information and Instructions > Component, Connector, Splice, Fuse and Ground Locations > Component LocationsHeating and Air ConditioningOpen9.Compressor HVAC β€” Diagram Information and Instructions > Component, Connector, Splice, Fuse and Ground Locations > ConnectorsHeating and Air ConditioningOpen10.Compressor HVAC β€” Diagram Information and Instructions > Component, Connector, Splice, Fuse and Ground Locations > GroundsHeating and Air ConditioningOpen11.Compressor HVAC β€” Diagram Information and Instructions > Symbol Identification and Diagram InformationHeating and Air ConditioningOpen12.Compressor HVAC β€” Diagram Information and Instructions > Wire Color Code IdentificationHeating and Air ConditioningOpen13.Compressor HVAC β€” Electrical DiagramsHeating and Air ConditioningOpen14.Electrical Diagrams > Heating and Air Conditioning > Control Module HVACGeneralOpen15.Electrical Diagrams > Heating and Air Conditioning > System Relay, HVACGeneralOpen16.Electrical Diagrams > Heating and Air Conditioning > Blower MotorGeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower Control > 1 of 2GeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower Control > 2 of 2GeneralOpen19.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Compressor Control > Part 1 of 2GeneralOpen20.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Compressor Control > Part 2 of 2GeneralOpen21.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Component ID (General List) > Part 1 ABrakes and Traction ControlOpen22.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Component ID (General List) > Part 2 BBrakes and Traction ControlOpen23.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Component ID (General List) > Part 3 C-GBrakes and Traction ControlOpen24.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Component ID (General List) > Part 4 H-MBrakes and Traction ControlOpen25.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Component ID (General List) > Part 5 N-ZBrakes and Traction ControlOpen26.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Component, Connector, Splice, Fuse and Ground Locations > Component LocationsBrakes and Traction ControlOpen27.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Component, Connector, Splice, Fuse and Ground Locations > ConnectorsBrakes and Traction ControlOpen28.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Component, Connector, Splice, Fuse and Ground Locations > GroundsBrakes and Traction ControlOpen29.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Symbol Identification and Diagram InformationBrakes and Traction ControlOpen30.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Wire Color Code IdentificationBrakes and Traction ControlOpen31.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Anti-Lock Brakes (ABS) > Part 1 of 4Brakes and Traction ControlOpen32.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Anti-Lock Brakes (ABS) > Part 2 of 4Brakes and Traction ControlOpen33.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Anti-Lock Brakes (ABS) > Part 3 of 4Brakes and Traction ControlOpen34.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Anti-Lock Brakes (ABS) > Part 4 of 4Brakes and Traction ControlOpen35.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > General Block Diagram > Automatic Stability Control (ASC)Brakes and Traction ControlOpen36.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > General Block Diagram > Automatic Stability Control Plus Traction (ASC+T)Brakes and Traction ControlOpen37.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Microprocessor-Controlled Antilock Brake System > Connector NumbersBrakes and Traction ControlOpen38.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Microprocessor-Controlled Antilock Brake System > Pin Assignments at Connector X11 (ABS Connector)Brakes and Traction ControlOpen39.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Microprocessor-Controlled Antilock Brake System > Pin Assignments at Connector X31 (ABS Hydraulic Unit Connector)Brakes and Traction ControlOpen40.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Pin Assignments > Automatic Stability Control (ASC)Brakes and Traction ControlOpen41.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Pin Assignments > Automatic Stability Control Plus Traction (ASC+T) > AdaptersBrakes and Traction ControlOpen42.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Pin Assignments > Automatic Stability Control Plus Traction (ASC+T) > Connector OverviewBrakes and Traction ControlOpen43.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Pin Assignments > Automatic Stability Control Plus Traction (ASC+T) > Pin Assignments at Connector X11Brakes and Traction ControlOpen44.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Pin Assignments > Automatic Stability Control Plus Traction (ASC+T) > Pin Assignments at Connector X18024Brakes and Traction ControlOpen45.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Pin Assignments > Automatic Stability Control Plus Traction (ASC+T) > Pin Assignments at Connector X18025Brakes and Traction ControlOpen46.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Pin Assignments > Automatic Stability Control Plus Traction (ASC+T) > Pin Assignments at Connector X31Brakes and Traction ControlOpen47.Electrical Diagrams > Blower Control > 1 of 2Heating and Air ConditioningOpen48.Electrical Diagrams > Blower Control > 2 of 2Heating and Air ConditioningOpen

Parts & Tools for This Job

Common parts shoppers buy for 1988 BMW 735i A/C & Heater.

As an Amazon Associate, AllOEMManuals earns from qualifying purchases. Prices and availability may vary.

Factory Service Tools

Turn This Into a Confident Next Step

Verify the likely fault first, then compare a quote before you approve expensive work.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.