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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 BMW 740I car and truck repair procedures including BMW engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 1993 BMW 740I automobile. Try the Automotix DIY solution today!
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A/C & HEATER SERVICE PROCEDURES FOR 1993 BMW 740I 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 1993 BMW 740I cars and light trucks from 1990+

Imported Cars & Light Trucks & Vans -> 1993-95 -> Discharging System
Vehicle: 1993 BMW 740I 4.0 V8 GAS

R-134a systems require the use of special service equipment designed specifically for R-134a systems. R-12 servicing equipment cannot be used on R-134a systems.

R-12 recovery stations cannot be used on R-134a systems. A separate recovery station must be used on R-134a systems. The refrigerants are not compatible and will contaminate the R-12 recovery station.

The use of refrigerant recovery and recycling stations allows the recovery and reuse of refrigerant after contaminants and moisture have been removed.

When using a recovery or recycling station, follow t...

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A/C & HEATER SERVICE PROCEDURES FOR 1993 BMW 740I 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 1993 BMW 740I cars and light trucks from 1990+

Import Compressor Service -> Bosch Compressor -> PRECAUTIONS -> PRODUCT COMPATIBILITY
Vehicle: 1993 BMW 740I 4.0 V8 GAS

PRODUCT COMPATIBILITY

Before replenishing refrigerant oil, ensure ...

CLICK HERE TO GET FULL ACCESS TO 1993 BMW 740I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1993 BMW 740I 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 1993 BMW 740I cars and light trucks from 1990+

Imported Cars & Light Trucks & Vans -> 1993-95 -> Precautions -> Cleanliness -> General Service -> Product Compatibility -> R-12 Systems -> R-134a Systems -> Safety
Vehicle: 1993 BMW 740I 4.0 V8 GAS

Product Compatibility

Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data" for specifications.

Safety

R-12 Systems

The Freon refrigerant used in car air conditioners is also known as R-12. It is colorless and odorless both as a gas and a liquid. Since it boils (vaporizes) at -21.7°F, it will usually be in a vapor state when being handled in a repair shop. But if a portion of the liquid coolant should come in contact with the hands or face, note that its temperature momentarily will be at least...

CLICK HERE TO GET FULL ACCESS TO 1993 BMW 740I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1993 BMW 740I 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 1993 BMW 740I cars and light trucks from 1990+

Air Bag System Precautions -> BMW -> Arming
Vehicle: 1993 BMW 740I 4.0 V8 GAS

  • Ensure nobody is in vehicle, then connect battery positive cable, then ground cable.
  • From a safe position to the side of or below air bag modules, turn ignition On and observe air bag indicator lamp. Lamp s...

CLICK HERE TO GET FULL ACCESS TO 1993 BMW 740I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1993 BMW 740I 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 1993 BMW 740I cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1993 BMW 740I 4.0 V8 GAS

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CLICK HERE TO GET FULL ACCESS TO 1993 BMW 740I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1993 BMW 740I 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 1993 BMW 740I cars and light trucks from 1990+

BMW -> Component Replacement & Adjustment -> COMPRESSOR, REPLACE -> 325 -> 525 & 535
Vehicle: 1993 BMW 740I 4.0 V8 GAS

325

  • Disconnect battery ground cable and evacuate A/C system.
  • Disconnect wiring harness to compressor at connector on frame rail.
  • Disconnect refrigerant lines at compressor, then plug lines and open ports.
  • Remove 2 bolts securing adjusting bracket to top of compressor.
  • Raise and support front of vehicle, then remove splash pan.
  • Remove bolts (1-2) securing muffler assembly to compressor, loosen pivot bolt (3), Fig. , then remove drive belt.
  • Remove pivot bolts and lower compressor from vehicle.
  • Reverse procedure to install, n...

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