🏷️ Basic Information

Make:

BMW

Model:

733i

Generation:

E23

Year:

1983

Chassis Code:

E23

Engine Code:

M30B32

👋 Introduction

Target Audience:

Technicians, mechanics, DIY enthusiasts, car repair professionals

Value Proposition:

Low price, great quality, instant access, comprehensive information

Features:

Official full complete factory service repair manual, detailed technical data, circuit diagrams, equipment datasheets, troubleshooting focus.

Benefits To Buyer:

Quickly understand car construction, repair, and design; immediate problem-solving; avoid searching physical bookstores.

📋 Manual Details

Primary Coverage:

Electronic Troubleshooting

Secondary Coverage:

General Maintenance, Engine, Transmission, Brakes, Electrical System, Suspension, Steering, Cooling System, Fuel Injection, Fuel System, Emission System, HVAC, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle

Estimated Page Count:

Hundreds to thousands (printable at great quality)

Type:

Factory Service Repair Manual / Electronic Troubleshooting Manual

Language:

English

File Format:

PDF

Delivery Method:

Instant Download

📖 Manual Coverage

Engine Systems:

Engine Service/Repair, Cooling System, Fuel Injection, Fuel System, Emission System, Engine Control System

Drivetrain Systems:

Transmission Service/Repair, Differential/Drive, Axle

Chassis Systems:

Brake System, Suspension, Steering

Electrical Systems:

Electrical System, Wiring Diagram, Engine Control System

Comfort Systems:

Heater/Air Conditioner

Body And Interior:

Chassis/Body, Restraint System, Interior

Diagnostic Procedures:

Troubleshooting, Electronic Troubleshooting

Maintenance Procedures:

General Maintenance, Periodic Lubrication, Maintenance Check List, Maintenance Chart, Service Instruction

Repair Procedures:

Engine Service/Repair, Transmission Service/Repair, Brake System, Suspension, Steering, Cooling System, Fuel Injection, Fuel System, Emission System, Heater/Air Conditioner

Electrical Procedures:

Wiring Diagram Interpretation, Electrical System Diagnostics

Depth:

Comprehensive factory-level repair and troubleshooting, including circuit data and diagrams

📊 Manual Specifications

Compatibility:

All Versions of Windows & Mac

Required Software:

Adobe PDF Reader, WinZip (for larger manuals)

Quality:

Great Quality

Printable:

Yes, hundreds or thousands of pages

Binding:

Digital (Downloadable)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder, 4-stroke

Displacement:

3.2 liters (3210 cc)

Engine Code:

M30B32

Horsepower Est:

197 hp @ 5500 rpm (approx.)

Torque Est:

211 lb-ft @ 3500 rpm (approx.)

Fuel Delivery:

Bosch L-Jetronic Fuel Injection

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Transmission Type:

4-speed manual (Getrag 265)

Transmission Type:

3-speed automatic (ZF 4HP22)

Clutch Type:

Single dry plate, hydraulic actuation (for manual)

📐 Dimensions

Length Est:

4980 mm (196.1 in)

Width Est:

1800 mm (70.9 in)

Height Est:

1400 mm (55.1 in)

Curb Weight Est:

1750 kg (3858 lbs)

Gross Vehicle Weight Est:

2250 kg (4960 lbs)

🛡️ Safety Features

Crash Test Data:

Era-specific safety standards; detailed data may vary by region and test protocol.

Active Safety Features:

Four-wheel disc brakes (ventilated front), Independent suspension, Power-assisted steering

Passive Safety Features:

Three-point seat belts (front and rear), Crumple zones, Reinforced passenger cell, Optional airbag (driver's side, becoming available late model)

💡 Technology Features

Audio System:

Factory fitted cassette player with AM/FM radio, often with premium speaker options.

Climate Control:

Manual or automatic climate control (optional), integrated with heater and A/C system.

Driver Assistance Features:

ABS (Anti-lock Braking System) became available as an option during the E23's lifecycle.

Connectivity Features:

No modern connectivity features like Bluetooth or USB; relies on analog systems.

🔧 Maintenance

Oil Change Interval:

Every 5,000-7,500 miles or 6-12 months (refer to manual for precise intervals and oil type)

Spark Plug Replacement:

Approximately every 30,000 miles (depending on plug type)

Engine Oil Spec:

SAE 15W-40 or 20W-50 (API SG/SH) recommended; consult manual for specific viscosity based on climate. Capacity approx. 5.7 liters (6.0 US quarts).

Coolant Spec:

BMW Antifreeze/Coolant (or equivalent ethylene glycol-based) mixed 50/50 with distilled water. Capacity approx. 10 liters.

Transmission Fluid Auto:

Dexron II or equivalent. Capacity approx. 2.3 liters (2.4 US quarts) for torque converter drain.

Brake Fluid Spec:

DOT 3 or DOT 4.

Common Problems:

Cooling system leaks (radiator, hoses, water pump), fuel distributor issues (L-Jetronic), vacuum leaks, electrical gremlins (especially in older wiring), seized heater control valves, differential seals.

Oil Filter Example:

Mann-Filter W106/1 or equivalent (verify with parts catalog for specific VIN)

Air Filter Example:

Mann-Filter C35160/1 or equivalent (verify with parts catalog for specific VIN)

📚 Vehicle History

Brand Focus:

BMW is renowned for producing luxury, performance-oriented vehicles with a focus on driving dynamics.

E23 Generation:

The E23 was BMW's flagship luxury sedan from 1977 to 1986, succeeding the E9 and being succeeded by the E32. It introduced advanced features for its time.

Production Period:

1977-1986

Manufacturing Location:

Germany (Dingolfing Plant)

🏆 Awards & Recognition

Industry Perception:

The E23 7 Series was recognized for its technological advancements, luxurious interior, and superior handling characteristics compared to many contemporaries.