🏷️ Basic Information Identification Make: BMW Model: 735i / 735iL Year: 1990 Codes Chassis Code: E32 👋 Introduction Market Position Segment: Full-Size Luxury Sedan Competitive Analysis Competitors: Mercedes-Benz S-Class (W126), Jaguar XJ, Lexus LS 400 (introduced late 1989/early 1990) Key Features Design Philosophy: Emphasis on driver engagement, robust engineering, and sophisticated comfort, embodying BMW's 'Ultimate Driving Machine' ethos in the luxury segment. Target Audience: Discerning professionals and executives seeking performance, luxury, and build quality. 📋 Manual Details Coverage Areas Primary Coverage: North America / Europe Page Count Estimated Pages: Approx. 1500+ Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (M30B35), Cooling System, Fuel System, Exhaust System, Drivetrain, Transmission (Automatic and Manual, if applicable) Chassis: Suspension (Front and Rear), Steering System, Braking System (including ABS), Wheels and Tires Electrical: Engine Management System (DME), Ignition System, Lighting, Instrumentation, Body Electronics, Power Accessories (Windows, Locks, Mirrors), HVAC Control, Audio System Wiring Body: Body Panels, Doors, Hood, Trunk, Bumpers, Glass, Interior Trim, Seat Adjustments Procedures Included Maintenance: Scheduled Maintenance Intervals, Fluid Changes (Oil, Coolant, Brake, Power Steering, Transmission), Filter Replacements, Spark Plug Service, Belt Inspection/Replacement Repair: Engine Overhaul (e.g., Head Gasket, Piston Rings), Transmission Rebuilds, Brake Component Replacement (Pads, Rotors, Calipers), Suspension Component Replacement (Shocks, Struts, Bushings), Electrical Component Diagnosis and Replacement, HVAC System Repair Troubleshooting: Diagnostic Trouble Codes (DTCs), Symptom-based Troubleshooting Guides, Electrical Schematics for Fault Finding Technical Depth Depth: Comprehensive; covers routine maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures and electrical schematics. 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: High Resolution (allows for clear printing of diagrams and text) Binding Type Binding: N/A (Digital Download) Paper Type Paper Recommendation: N/A (Digital Download - Print on Demand) ⚙️ Engine Specifications Primary Engine Engine Code: M30B35 Engine Type: 3.5L Inline-6 Cylinder (SOHC) Performance Horsepower: Approx. 208 hp @ 5700 rpm Torque: Approx. 224 lb-ft @ 4000 rpm Fuel System Induction: Bosch Motronic Electronic Fuel Injection (EFI) Engine Details Bore X Stroke: 92.0 mm x 86.0 mm Compression Ratio: 8.0:1 Valvetrain: Single Overhead Camshaft (SOHC), 2 Valves per Cylinder Engine Mounts: Hydraulic rubber mounts 🔧 Transmission Standard Type: 4-speed Automatic (ZF 4HP22) Optional Type: 5-speed Manual (Getrag 260/5) - Less common in North America Features Automatic Modes: Standard, Sport, and Economy modes (often electronically controlled) Fluid Specs Automatic Fluid Type: Dexron III (or equivalent) Fluid Capacity Automatic Capacity: Approx. 10-12 liters (total fill, subject to torque converter) 📐 Dimensions Exterior Wheelbase 735I: 2,830 mm (111.4 in) Wheelbase 735Il: 3,020 mm (118.9 in) Length 735I: 4,960 mm (195.3 in) Length 735Il: 5,160 mm (203.1 in) Width: 1,800 mm (70.9 in) Height: 1,400 mm (55.1 in) Weights Curb Weight 735I: Approx. 1,700 kg (3,748 lbs) Curb Weight 735Il: Approx. 1,750 kg (3,858 lbs) Gross Vehicle Weight Rating: Approx. 2,250 kg (4,960 lbs) Cargo Trunk Capacity: Approx. 500 liters (17.7 cu ft) Wheels Tires Standard Wheel Size: 15-inch Alloy Standard Tire Size: 205/65VR15 Bolt Pattern: 5x120 mm 🛡️ Safety Features Ratings Crash Test Data Availability: Limited official NHTSA data for this specific year/model, but the E32 platform was designed with advanced safety for its era. Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional ASC (Automatic Stability Control) or ASC+T (with Traction Control) Passive Features Airbags: Driver's airbag standard; passenger airbag optional on later models, possibly retrofitted or unavailable on early 1990 models. Seatbelts: Three-point seatbelts with pretensioners (front), integrated rear seatbelts. Chassis Design: Reinforced passenger cell, crumple zones front and rear. 💡 Technology Features Infotainment Audio System: BMW Bavaria C Business CD or similar premium sound system with optional CD changer. Onboard Computer: On-Board Computer (OBC) for fuel consumption, range, speed, and diagnostics. Driver Assistance Cruise Control: Standard electronic cruise control. Connectivity Early Telephony: Optional integrated car phone system (primitive by modern standards). Comfort Features Climate Control: Automatic Climate Control (often dual-zone), heated front seats, optional heated rear seats. Lighting: Halogen headlights, fog lights, interior courtesy lighting. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500 - 10,000 miles (12,000 - 16,000 km) or 12 months, depending on driving conditions and oil type used. Coolant Flush Interval: Every 2-3 years or approximately 30,000 miles (48,000 km). Spark Plug Replacement: Approx. 30,000 - 60,000 miles (48,000 - 96,000 km) depending on plug type. Fluid Specifications Engine Oil Type: API SH or higher, SAE 5W-30 or 5W-40 recommended for most climates (check manual for specific viscosity) Engine Oil Capacity: Approx. 6.5 liters (6.9 US quarts) with filter change Coolant Type: BMW Blue Antifreeze/Coolant (G48 type) or equivalent ethylene glycol based coolant with corrosion inhibitors, mixed 50/50 with distilled water. Brake Fluid Type: DOT 4 Power Steering Fluid Type: ATF Dexron II/III (or specific BMW hydraulic fluid) Known Issues Cooling System: Plastic expansion tank cracking, water...