🏷️ Basic Information

Make:

BMW

Model:

750i / 750iL

Model Code:

E32

Production Years Covered:

1988, 1989, 1990, 1991, 1992, 1993, 1994

Engine Code Primary:

M70

👋 Introduction

Segment:

Full-size Luxury Sedan

Target Audience:

Affluent buyers seeking refinement, performance, and advanced technology.

Key Competitors:

Mercedes-Benz S-Class, Jaguar XJ, Lexus LS, Cadillac Seville.

Engine Prominence:

Distinguished by its powerful V12 engine, offering unparalleled smoothness and prestige.

Chassis Design:

E32 platform offered a refined driving experience, advanced aerodynamics, and a focus on passenger comfort.

Luxury Appointments:

High-quality interior materials, extensive standard features, and optional luxury packages.

📋 Manual Details

Documentation Type:

Factory Service Repair Manual (FSM)

Coverage Scope:

Comprehensive repair, diagnostic, maintenance, and troubleshooting for all E32 750i and 750iL models within the specified years.

Estimated Page Count:

1500+

Manual Type:

Service and Repair Manual

Language:

English

Format:

Online Download

📖 Manual Coverage

Engine Mechanical:

V12 engine (M70), cylinder head, block, pistons, crankshaft, camshafts, timing, lubrication, cooling.

Engine Management:

Bosch Motronic DME M1.2 (later updates may be covered), fuel injection, ignition system, emissions control, diagnostics, sensor data.

Transmission:

4-speed automatic transmission (e.g., ZF 4HP-24), torque converter, gear shifting, valve body, transmission control.

Brakes:

Hydraulic system, ABS (Anti-lock Braking System), brake discs, pads, calipers, lines, master cylinder, bleeding procedures.

Suspension:

Front independent suspension (McPherson struts), rear independent suspension, shock absorbers, springs, control arms, bushings, alignment specifications.

Steering:

Power steering system, steering gear, tie rods, steering column, power steering fluid.

Electrical:

12V electrical system, battery, alternator, starter, lighting, power windows, power seats, central locking, climate control electrics, fuses, relays, wiring diagrams.

Body And Chassis:

Chassis construction, body panels, doors, hood, trunk, seals, interior trim, sound deadening.

Climate Control:

HVAC system, A/C compressor, refrigerant, heater core, blower motor, climate control module, diagnostics.

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement.

Diagnostic Troubleshooting:

Step-by-step troubleshooting guides for common and uncommon issues, diagnostic trouble codes (DTCs) and their meanings, use of diagnostic tools.

Major Repairs:

Engine overhaul, transmission rebuild, brake system overhauls, suspension component replacement, electrical system repairs.

Component Replacement:

Detailed instructions for removing and installing individual components across all systems.

Special Tools:

Identification and usage instructions for BMW-specific tools required for certain repairs.

Depth Of Information:

Extremely detailed, covering everything from basic fluid checks to complete engine and transmission overhauls. Includes torque specifications, clearances, diagnostic procedures, and wiring diagrams.

📊 Manual Specifications

Digital Format:

Likely PDF (Portable Document Format) for online download.

Scan Quality:

Assumed to be high-resolution scans of original factory manuals, ensuring clarity of text and diagrams.

Digital Binding:

N/A (Digital format)

Digital Paper Type:

N/A (Digital format)

⚙️ Engine Specifications

Engine Name:

M70 V12

Engine Configuration:

60-degree V12

Displacement:

4988 cc (5.0 Liters)

Bore X Stroke:

84.0 mm x 75.0 mm

Compression Ratio:

8.8:1

Power Output:

295-300 hp (220-224 kW) @ 5200 rpm (approx.)

Torque Output:

330-335 lb-ft (447-454 Nm) @ 3900 rpm (approx.)

Fuel Delivery:

Bosch Motronic electronic fuel injection, two ECUs (one per cylinder bank).

Fuel Type:

Premium Unleaded Gasoline (91 Octane or higher)

Engine Block Material:

Aluminum Alloy

Cylinder Head Material:

Aluminum Alloy

Valve Train:

Overhead Camshafts (SOHC), 2 valves per cylinder

Cooling System:

Water-cooled, thermostatically controlled, electric cooling fans.

Lubrication System:

Wet sump, dual oil pumps, oil cooler.

🔧 Transmission

Transmission Type:

4-speed Automatic

Transmission Model:

ZF 4HP-24

Transmission Control:

Electronic control with selectable modes (e.g., Sport/Economy).

Transmission Fluid:

BMW ATF LT 71141 (or equivalent Dexter AG, Esso LT 71141)

Transmission Fluid Capacity:

Approximately 8-10 liters (dependent on torque converter drain)

📐 Dimensions

Wheelbase 750I:

2900 mm (114.2 inches)

Wheelbase 750Il:

3000 mm (118.1 inches)

Length 750I:

4970 mm (195.7 inches)

Length 750Il:

5070 mm (199.6 inches)

Width:

1840 mm (72.4 inches)

Height:

1400 mm (55.1 inches)

Curb Weight 750I:

Approx. 1800-1900 kg (3968-4189 lbs)

Curb Weight 750Il:

Approx. 1850-1950 kg (4079-4300 lbs)

Gross Vehicle Weight Rating:

Approx. 2350-2450 kg (5181-5401 lbs)

🛡️ Safety Features

Crash Test Data:

Data from this era is often limited compared to modern standards; manual provides structural repair information.

ABS:

Standard Anti-lock Braking System (ABS)

Airbags:

Driver's side airbag introduced later in the E32 lifecycle, potentially optional for early 750i models; manual covers system diagnostics.

Seatbelts:

Three-point inertia-reel seatbelts with pretensioners.

Chassis Design:

Reinforced safety cage, crumple zones.

💡 Technology Features

Audio System:

Premium sound systems were available, often with cassette player and radio. Manual covers diagnostics and speaker replacements.

Cruise Control:

Standard electronic cruise control.

Parking Assistance:

Rear parking sensors (Park Distance Control) introduced later in the generation, manual covers their operation.

Phone Integration:

Optional early car phone systems, manual might detail their basic operation or removal.

🔧 Maintenance

Oil Change Interval:

Typically every 7,500-10,000 miles (12,000-16,000 km) or annually, whichever comes first, depending on driving conditions (refer to manual for exact recommendations).

Spark Plug Replacement:

Approximately every 60,000 miles (100,000 km) for platinum-tipped plugs (refer to manual for specific plug type and interval).

Transmission Fluid Change:

BMW often recommended 'lifetime' fluid, but proactive changes every 50,000-60,000 miles are advised by many enthusiasts and independent specialists.

Engine Oil Type:

API SG or higher, viscosity 5W-30, 5W-40, or 10W-40 (check manual for specific BMW recommendations).

Coolant Type:

BMW Blue Antifreeze/Coolant (G48 or equivalent ethylene glycol based).

Brake Fluid Type:

DOT 4

Engine M70 Common:

Potential for distributor cap and rotor failure, idle control valve issues, fuel injector problems, and oil leaks from gaskets.

Electrical Common:

Aging wiring harness insulation (especially around the engine), failing vacuum lines, climate control panel issues, ABS sensor failures.

Suspension Common:

Wear in control arm bushings, strut mounts, and self-leveling rear suspension components (if equipped).

Cooling System Common:

Water pump failure, radiator leaks, thermostat issues, and expansion tank cracks.

📚 Vehicle History

Bmw Philosophy:

BMW's commitment to 'The Ultimate Driving Machine' ethos, blending performance and luxury.

E32 Introduction:

The E32 generation replaced the E23 and was a significant step forward in design, technology, and performance for BMW's flagship sedan.

750I Significance:

The 750i was BMW's first production V12 engine, a statement of engineering prowess and a direct competitor to other luxury marques.

Production Period E32:

1986-1994

Manufacturing Location:

Dingolfing, Germany

🏆 Awards & Recognition

Automotive Press:

The E32 7 Series, particularly the V12 models, was widely praised by automotive journalists for its blend of performance, luxury, and engineering innovation.

Benchmark Vehicle:

Often considered a benchmark for luxury sedans of its era.