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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 -> Oil Charge -> 3000GT -> 323 & Protege -> 4Runner -> 626 & MX-6 -> 911 -> 928 -> 929 -> Accord -> Acura -> Amigo & Pickup -> AUDI -> Avalon -> B-Series Pickup -> Camry -> Celica -> Civic & Civic del Sol -> Corolla & MR2 -> Corrado & Passat -> Diamante -> Eclipse -> Elantra & Scoupe -> ES300 -> Euro Van -> Excel -> Expo -> Fox -> Galant -> Golf, GTI & Jetta -> GS300 -> Honda -> Hyundai -> Impreza -> Infiniti -> Integra -> Isuzu -> Jaguar -> Kia -> Land Cruiser -> Legacy -> Legend & Legend Coupe -> Lexus -> Loyale -> LS400 -> Mazda -> Miata -> Millenia -> Mirage -> Mitsubishi -> MPV -> Navajo -> Nissan -> Odyssey -> Paseo -> Passport -> Pickup -> Porsche -> Precis -> Prelude -> Previa -> Rodeo, Stylus & Trooper -> RX-7 -> Saab -> SC300 & SC400 -> Sephia -> Sonata -> Subaru -> Supra -> Suzuki -> SVX -> T100 -> Tercel -> Toyota -> Vigor -> Volkswagen -> Volvo
Vehicle: 1993 BMW 740I 4.0 V8 GAS

Acura

Integra

On 1993 models, when replacing compressor drain old and new units. Add oil to new compressor equal to 2.7 ozs. minus amount drained from old unit.

When replacing other system components add the following amount of new oil: evaporator, 1.0 oz.; condenser, .3 oz.; receiver/drier, .3 oz.; line, .3 oz.

On 1994-95 models, when replacing compressor drain old and new units. Add oil to new compressor equal to 4.7 ozs. minus amount drained from old unit, but do not add more than 1.7 ozs. of oil.

When replacing other system components add the follo...

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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+

BMW -> Manual Air Conditioning & Heater System Diagnosis & Testing -> DESCRIPTION -> 325 -> A/C Compressor Switch -> Air Center Control Lever -> Air Down Control Lever -> Air Up Control Lever -> Air Volume Control Switch -> Fresh Air/Bypass Air Switch -> REFRIGERATION SYSTEM -> SYSTEM CONTROL -> Temperature Control
Vehicle: 1993 BMW 740I 4.0 V8 GAS

REFRIGERATION SYSTEM

Switching ON the A/C system will activate the refrigerant circuit, Fig. . The solenoid coil receives power, producing a magnetic field causing the armature clutch plate to be pulled, and which is fixed onto the compressor shaft next to an inner plate operating freely on the same shaft. The compressor increases refrigerant vapor pressure, which is drawn into the suction end of the compressor assembly. The refrigerant is then compressed, raising refrigerant vapor temperature. The high pressure vapors pass through a high pressure line to a condenser loc...

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+

Import Compressor Service -> Bosch Compressor -> SHAFT SEAL, REPLACE -> EXCEPT PORSCHE 928 -> PORSCHE 928
Vehicle: 1993 BMW 740I 4.0 V8 GAS

EXCEPT PORSCHE 928

  • Remove compressor clutch plate as previously described, then remove the key and circlip.
  • Remove thrust washer using tool No. 64-5-030, or equivalent.
  • Install tool No. 64-5-040, or equivalent, into compressor. Rotate tool clockwise to free seal, then remove tool.
  • Remove seal using a plastic needle.
  • Reverse procedure to install. Note the following:
    • Apply refrigerant oil to new seal prior to installation.
    • Install seal using removal tool so that straight surfaces on tool engage openings in compressor shaf...

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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+

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

325

  • Disconnect battery ground cable.
  • Remove rear ashtray and console retaining screw from ashtray well.
  • Pull back on console and remove center section from over parking brake lever.
  • On models with manual transmission, remove shift knob, boot and insulation sheet from around shift lever.
  • On models with automatic transmission, remove panel to right of selector lever, then selector bezel screws and bezel.
  • On all models, remove power window switches and disconnect electrical connectors.
  • Remove console retaining nut from behind...

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 -> Disarming
Vehicle: 1993 BMW 740I 4.0 V8 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 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 -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1993 BMW 740I 4.0 V8 GAS

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