Segment:
Full-size Luxury Sedan
Target Audience:
Luxury car enthusiasts, owners seeking to maintain or repair their V12 flagship sedan.
Key Competitors Era:
Mercedes-Benz S-Class (W126/W140), Jaguar XJ, Lexus LS 400
Flagship Status:
Represents BMW's pinnacle of engineering and luxury for its era.
Engine Configuration:
Exclusive V12 engine, a rarity in the automotive market.
Comprehensiveness:
A vital resource for maintaining the complex systems of the 750iL.
Download Convenience:
Instant access via PDF download, avoiding shipping delays and costs.
Years Covered:
1988, 1989, 1990, 1991, 1992, 1993, 1994
Type:
Workshop Service Manual / Repair Manual
Powertrain:
Engine (M70 V12), Transmission (automatic), Fuel System, Exhaust System
Chassis:
Suspension (front and rear, including self-leveling suspension), Steering, Brakes (including ABS)
Electrical:
Drivetrain, Electrical System (including wiring diagrams, diagnostics, ECUs), Lighting, Instruments, HVAC (Climate Control)
Body:
Bodywork, Interior Trim, Safety Systems (airbags, seatbelts)
Maintenance:
Scheduled maintenance, oil changes, filter replacements, tune-ups
Repair:
Engine overhaul, transmission rebuilds, brake caliper replacement, suspension component repair, electrical diagnostics and repair
Troubleshooting:
Diagnostic procedures for common and complex issues, fault code interpretation
Specifications:
Torque specifications, fluid capacities, electrical component data
Depth:
Comprehensive, covering everything from basic maintenance to in-depth engine and transmission overhauls, including diagnostic flowcharts and repair procedures.
Engine Type:
Naturally Aspirated V12
Displacement:
4.988 L (304.4 cu in)
Bore X Stroke:
84 mm x 91 mm
Valve Train:
SOHC, 2 valves per cylinder (24 total)
Horsepower:
296 hp (221 kW) @ 5200 rpm
Torque:
332 lb-ft (450 Nm) @ 3900 rpm
Fuel Delivery:
Bosch Motronic M-1.2 Electronic Fuel Injection (with dual ECUs)
Fuel Type:
Premium Unleaded Gasoline (91+ octane recommended)
Coolant Type:
BMW Blue Antifreeze/Coolant
Coolant Capacity:
14.5 L (15.3 US qt)
Crash Test Data:
Limited official crash test data available for this era, but designed to meet high safety standards of its time.
ABS:
Standard Bosch ABS III
Traction Control:
Optional ASC (Automatic Stability Control) on later models.
Airbags:
Driver's side airbag became standard, passenger airbag optional/later standard.
Seatbelts:
Pre-tensioned front seatbelts.
Chassis Design:
Reinforced safety cage, crumple zones.
Audio System:
Premium sound systems (e.g., Nakamichi optional), cassette player.
Navigation:
Early GPS navigation systems were available as an option on later models.
Cruise Control:
Standard electronic cruise control.
Climate Control:
Dual-zone automatic climate control with extensive vents.
Phone:
Optional integrated car phone systems were available.
Seats:
Power-adjustable front and rear seats, often with memory functions and heating/ventilation.
Windows Mirrors:
Power windows, power-adjustable and heated mirrors.
Oil Change Interval:
Typically every 7,500-10,000 miles (12,000-16,000 km) or annually, depending on driving conditions and oil used. Consult manual for specific recommendations.
Spark Plug Replacement:
Approximately every 30,000 miles (48,000 km) due to the V12's 24 spark plugs. Manual will specify exact interval and part numbers.
Transmission Fluid Change:
Recommended every 30,000-50,000 miles (48,000-80,000 km).
Engine Oil Capacity:
Approx. 7.5 L (7.9 US qt)
Engine Oil Viscosity:
5W-30 or 5W-40 Synthetic recommended
Coolant Specification:
BMW Blue Antifreeze/Coolant
Brake Fluid Type:
DOT 3 or DOT 4
Engine:
Coil pack failures, vacuum leaks (especially with age), throttle body issues, head gasket sealing (though generally robust).
Electrical:
Failing O-rings in the cooling system, headlight leveling system issues, instrument cluster pixel degradation, EDC (Electronic Damper Control) failure.
Chassis:
Self-leveling suspension component wear (shocks, accumulators), brake wear due to vehicle weight.
Routine:
Regular fluid changes, filter replacements, and spark plug servicing are critical due to the complex V12.
Preventative:
Proactive replacement of aging rubber components (hoses, seals) and vacuum lines is highly recommended.
Manufacturer:
Bayerische Motoren Werke AG
Reputation:
Renowned for luxury, performance, and engineering excellence ('The Ultimate Driving Machine').
Series Introduction:
The E32 7 Series replaced the E23 generation in 1986.
750Il Introduction:
The 750iL was introduced in 1987 as the flagship model, featuring the groundbreaking M70 V12 engine.
Facelift:
Minor styling updates and equipment changes occurred throughout its production run.
Production Years E32:
1986-1994
Manufacturing Location:
Dingolfing, Germany