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1990 BMW 750IL Service & Repair Manual Software
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🏷️ Basic Information Identification Make: BMW Model: 750iL Model Code: E32 Year: 1990 Generation Generation Name: E32 Generation Years: 1986-1994 👋 Introduction Market Position Segment: Full-size Luxury Sedan Bmw Philosophy:...
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🏷️ Basic Information
Identification
Make:
BMW
Model:
750iL
Model Code:
E32
Year:
1990
Generation
Generation Name:
E32
Generation Years:
1986-1994
👋 Introduction
Market Position
Segment:
Full-size Luxury Sedan
Bmw Philosophy:
Ultimate Driving Machine, even in the luxury segment
Competitive Analysis
Key Competitors:
Mercedes-Benz S-Class, Jaguar XJ, Lexus LS400
Key Features
V12 Engine:
Smoothness, power, and refinement of the M70 V12
Long Wheelbase:
Enhanced rear passenger space and comfort
Advanced Technology:
For its era, incorporating features like Electronic Damper Control (EDC) and early driver assistance systems.
📋 Manual Details
Coverage Areas
Primary Coverage:
1990 BMW 750iL
Secondary Coverage:
Potentially related E32 models with similar components
Page Count
Estimated Page Count:
Extensive (typical for comprehensive service manuals, likely 1000+ pages in digital format)
Manual Type
Type:
Service and Repair Manual Software
Language
Language:
English (Standard for official BMW service documentation)
Format
Format:
Software (likely digital, searchable PDF or proprietary application)
📖 Manual Coverage
Systems Covered
Engine:
V12 engine (M70B50), including diagnostics, repair, and overhaul
Powertrain:
Transmission (automatic), differential, driveshaft, axles
Chassis:
Suspension (front and rear), steering, brakes (hydraulic, ABS), wheels, tires
Electrical:
Engine management (DME), ignition, lighting, instrumentation, power accessories, comfort electronics, wiring diagrams
Body:
Exterior body panels, interior trim, doors, windows, sunroof, climate control system
Comfort Features:
Seats (power, memory), climate control, sound system, cruise control
Procedures Included
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics
Repair:
Component removal and installation, engine and transmission rebuild, suspension and brake system repair, electrical system repair
Adjustments:
Valve adjustments (if applicable), shift linkage adjustments, idle speed adjustments
Specifications:
Torque specifications, clearances, fluid capacities, pressure tests
Technical Depth
Depth:
Comprehensive (covers routine maintenance to major overhauls and advanced diagnostics)
Audience:
Professional technicians and advanced DIY enthusiasts
📊 Manual Specifications
File Format
Digital Format:
Likely searchable PDF or proprietary executable, allowing for quick navigation and keyword searches
Print Quality
Digital Quality:
High resolution images, clear diagrams, and readable text
Binding Type
Binding:
Not applicable for software, but implies digital binding/organization
Paper Type
Paper Quality:
Not applicable for software, but implies a digital equivalent of high-quality technical documentation paper
⚙️ Engine Specifications
Primary Engine
Engine Code:
M70B50
Engine Type:
SOHC V12
Displacement:
5.0 liters (4988 cc)
Bore X Stroke:
84.0 mm x 75.0 mm
Compression Ratio:
8.8:1
Performance
Horsepower:
296 hp @ 5200 rpm
Torque:
317 lb-ft @ 4100 rpm
Fuel System
Fuel Delivery:
Bosch Motronic M1.2 (Sequential Multi-Point Fuel Injection)
Fuel Type:
Premium Unleaded Gasoline
Cooling System
Coolant Capacity:
Approx. 12.5 liters (13.2 US quarts)
Lubrication
Oil Capacity:
Approx. 7.5 liters (7.9 US quarts) with filter
Recommended Oil Viscosity:
SAE 15W-40 or 20W-50 (depending on climate, consult manual for specifics)
Ignition System
Ignition Type:
Distributorless ignition with two spark plugs per cylinder
🔧 Transmission
Standard
Transmission Type:
4-speed Automatic
Transmission Model:
ZF 4HP24
Optional
Optional Transmission:
None offered
Features
Transmission Features:
Sport mode, Lock-up torque converter
Fluid Specifications
Transmission Fluid Type:
Dexron III ATF or equivalent (refer to manual for exact BMW specification)
Fluid Capacity
Transmission Fluid Capacity:
Approx. 4.0 liters (4.2 US quarts) for drain and refill
📐 Dimensions
Exterior
Length:
5024 mm (197.8 inches)
Width:
1800 mm (70.9 inches)
Height:
1410 mm (55.5 inches)
Wheelbase:
2918 mm (114.9 inches)
Front Track:
1527 mm (60.1 inches)
Rear Track:
1565 mm (61.6 inches)
Weights
Curb Weight:
Approx. 1930 kg (4255 lbs)
Gross Vehicle Weight Rating:
Approx. 2400 kg (5291 lbs)
Wheels Tires
Standard Wheel Size:
15 x 7.0 inches (Alloy)
Standard Tire Size:
225/60VR15
Bolt Pattern:
5 x 120 mm
Center Bore:
72.5 mm
🛡️ Safety Features
Ratings
NHTSA Ratings:
N/A (No standardized testing for this era)
Active Features
ABS:
Standard (Bosch ABS II)
Traction Control:
Optional (ASC - Automatic Stability Control)
Passive Features
Airbags:
Driver's airbag standard, passenger airbag optional/later addition
Seatbelts:
3-point inertia-reel seatbelts front and rear
Chassis Design:
Reinforced safety cell, crumple zones
💡 Technology Features
Infotainment
Audio System:
BMW Professional RDS stereo system (often with cassette player), optional CD changer.
Navigation:
Optional early-generation BMW navigation system (often a CRT screen in the dash).
Driver Assistance
Cruise Control:
Standard electronic cruise control.
Parking Assistance:
Optional rear parking sensors.
Connectivity
Phone Integration:
Optional factory installed car phone.
Comfort Tech
Climate Control:
Dual-zone automatic climate control.
Seat Features:
Power-adjustable front seats with memory function, heated front and rear seats.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Approximately 10,000-15,000 miles or 12-24 months (refer to manual for specific BMW recommendations and oil type)
Transmission Fluid Change:
Typically every 30,000-50,000 miles (consult manual for exact interval and procedure)
Spark Plug Replacement:
12 spark plugs, typically replaced every 60,000-100,000 miles (check manual for specific plug type and interval)
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles
Fluid Specifications
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific BMW recommendation)
Power Steering Fluid:
BMW CHF 11S or equivalent (refer to manual)
Known Issues
Engine M70:
Coil pack failure, spark plug wire issues, vacuum leaks, coolant leaks (especially in the V), idle control issues, crank position sensor failures.
Electronics:
Climate control module failures, dashboard pixelation, door lock actuators, heated seat issues.
Suspension:
Wear in control arm bushings, shock absorber leaks, self-leveling rear suspension issues (if equipped).
Fuel System:
Fuel pump failures, clogged injectors.
📚 Vehicle History
Brand Heritage
Bmw Legacy:
Known for performance, engineering excellence, and sporty luxury vehicles.
Model Evolution
E32 Introduction:
Launched in 1986 as the successor to the E23 7 Series, representing BMW's push into the flagship luxury sedan market.
V12 Introduction:
The 750iL, introduced in 1987, was BMW's first production V12 engine, intended to compete directly with Mercedes-Benz's V12 offerings.
Facelift:
The 1990 model year typically falls within the pre-facelift E32 (launched 1986-1991) or early facelift (1992 onwards), depending on production date. This manual is for the initial 1990 configuration.
Production
Production Period:
1986-1994
Manufacturing Location:
Germany
🏆 Awards & Recognition
Recognitions
Car And Driver:
Often featured on Car and Driver's '10Best' lists in its segment for its era, though specific awards for the 1990 model year need verification.
Ratings
Sales Performance:
Competitively strong within the luxury segment, though production volumes were lower than mass-market sedans.
Certifications
Engineering Quality:
Recognized for its robust engineering and build quality, characteristic of BMW's premium offerings.