1999 BMW 328I A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328I cars and light trucks from 1990+

BMW -> Technical Service Bulletins -> Auxiliary Fan Does Not Operate At Low Speed Or Fuse Is Blown -> All Models
Vehicle: 1999 BMW 328I 2.8 L6 GAS

All Models

On some of these models the auxiliary fan may not operate at low speed or the fuse may be blown.

This condition may be cause by a defective low speed resistor.

To correct this condition, proceed as follows:

  • On models with "BEHR" fan, disconnect...

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A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328I cars and light trucks from 1990+

BMW -> Automatic Temperature Control System Diagnosis & Testing -> A/C System Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests: 528i & 540i -> Diagnostic Tests: M Coupe, M Roadster, M3, Z3, 318i, 318ti, 323i, 323iC, 323is, 328i, 328iC & 328is -> Diagnostic Trouble Code 01: Right Temperature Control Wheel -> Diagnostic Trouble Code 04: Right Heater Sensor -> Diagnostic Trouble Code 07: Evaporator Sensor -> Diagnostic Trouble Code 10: Outside Sensor -> Diagnostic Trouble Code 13-Interior Sensor -> Diagnostic Trouble Code 13: Interior Sensor -> Diagnostic Trouble Code 16-Interior Sensor Blower -> Diagnostic Trouble Code 16: Interior Sensor Blower -> Diagnostic Trouble Code 25: Left Temperature Control Wheel -> Diagnostic Trouble Code 28: Left Heater Sensor -> Diagnostic Trouble Code 31: Air Flow Control Wheel -> Diagnostic Trouble Code 34: Mixing Air Control Wheel -> Diagnostic Trouble Code 38: Auxiliary Water Pump Relay -> Diagnostic Trouble Code 40: Left Water Valve -> Diagnostic Trouble Code 44: A/C Compressor Signal Or Auxiliary Fan Relay -> Diagnostic Trouble Code 44: A/C Relay/Auxiliary Fan Relay -> Diagnostic Trouble Code 46: Right Water Valve -> Diagnostic Trouble Code 47: A/C Signal To DME Control Unit -> Diagnostic Trouble Code 48: Rear Window Defroster -> Diagnostic Trouble Code 48: Rear Window Defroster Relay -> Diagnostic Trouble Code 52: Fresh Air Flap Motor -> Diagnostic Trouble Code 55: Air Recirculation Flap Motor -> Diagnostic Trouble Code 56: AUC Signal -> Diagnostic Trouble Code 61: Mixing Air Flap Motor -> Diagnostic Trouble Code 92: Terminal 50 On Longer Than 3 Minutes -> Diagnostic Trouble Code 94: Dependent Heating/Independent Ventilation -> Diagnostic Trouble Code 94: Independent Heating/Independent Ventilation -> Diagnostic Trouble Code Interpretation
Vehicle: 1999 BMW 328I 2.8 L6 GAS

Accessing Diagnostic Trouble Codes

The automatic climate control unit is capable of detecting system malfunctions and storing a related diagnostic trouble code. These diagnostic trouble codes may be read from control unit memory using the BMW service tester, or equivalent. Follow manufacturer's instructions to display diagnostic trouble codes.

The display "current defect" indicates that the malfunction currently exists. If a "current defect" applies to the temperature sensors or control wheels, a substitute value provided by the control unit is used. T...

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A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328I cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1999 BMW 328I 2.8 L6 GAS

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A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328I cars and light trucks from 1990+

Air Bag System Precautions -> BMW -> Disarming
Vehicle: 1999 BMW 328I 2.8 L6 GAS

Prior to disconnecting any air bag/Supplemental Restraint System (SRS) electrical connectors, servicing any system components or other components located near an SRS electrical connector, the system must be disarmed. The connectors and components are identified by their orange color.

  • Obtain radio theft protection code prior to disconnecting battery.
  • Disconnect grou...

CLICK HERE TO GET FULL ACCESS TO 1999 BMW 328I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328I cars and light trucks from 1990+

BMW -> Component Replacement & Adjustment -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable -> Product Compatibility
Vehicle: 1999 BMW 328I 2.8 L6 GAS

Prior to performing any service operations listed, consult for related information.

Air Bag System Disarming & Arming

Refer to and for air bag system disarming and arming procedures.

Battery Ground Cable

Prior ...

CLICK HERE TO GET FULL ACCESS TO 1999 BMW 328I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 BMW 328I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1999 BMW 328I cars and light trucks from 1990+

BMW -> Component Replacement & Adjustment -> Condenser, Replace -> 528i, 540i, 740i, 740iL & 750iL -> M3, 318i, 318ti, 323is & 328is & 1998 323i & 328i & 1999 323i & 328i Convertibles
Vehicle: 1999 BMW 328I 2.8 L6 GAS

M3, 318i, 318ti, 323is & 328is & 1998 323i & 328i & 1999 323i & 328i Convertibles
  • Remove front bumper as outlined under "Front Bumper, Replace."
  • Remove center lefthand front radiator grill by hitting lightly with fist and pulling chrome ring forward.
  • Recover refrigerant as outlined under .
  • Remove auxiliary fan as outlined under .
  • Remove receiver as previously outlined.
  • Disconnect condenser lines and plug openings, Fig. .
  • Remove mounting bolts and condenser.
  • Reverse procedure to install.
528i, 540i, ...

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