🏷️ Basic Information Identification Make: BMW Model: 7 Series Chassis Code: E32 Product Name: 1988-1994 BMW 7 Series 735i 735iL 740i 740iL Service Repair Manual 👋 Introduction Market Position Segment: Full-size Luxury Sedan Competitive Analysis Competitors: Mercedes-Benz S-Class (W126/W140), Lexus LS 400, Cadillac DeVille. Key Features Unique Selling Points: Advanced engineering, superior ride comfort, powerful engines, and a focus on driver engagement characteristic of BMW's M division heritage, even in standard luxury models. 📋 Manual Details Coverage Areas Vehicle Years: 1988, 1989, 1990, 1991, 1992, 1993, 1994 Vehicle Models: 735i, 735iL, 740i, 740iL, 750iL Page Count Total Pages: 987 Manual Type Type: Factory Service Repair Manual / Workshop Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Detailed diagnosis, repair, and overhaul procedures for M30 and M60 engines. Transmission: Repair and maintenance for automatic transmissions (e.g., ZF 4HP22, 4HP24). Suspension Steering Brakes: Comprehensive coverage of front and rear suspension, steering systems (including power steering), and braking systems (including ABS). Electrical System: Detailed troubleshooting and repair for all electrical components, including lighting, ignition, starting, charging, and auxiliary systems. Body Equipment: Procedures for body panel repair, door mechanisms, glass replacement, and interior trim. Equipment Accessories: Information on climate control, power seats, windows, mirrors, sunroof, and audio systems. Electrical Wiring Diagrams: Extensive electrical wiring diagrams for all vehicle systems. Procedures Included Maintenance: Routine maintenance tasks, fluid changes, filter replacements, and inspections. Diagnostics Troubleshooting: Step-by-step diagnostic procedures and common fault finding for various systems. Repair Overhaul: Detailed instructions for component removal, repair, reassembly, and installation. Technical Specifications: Torque specifications, clearances, fluid types, and capacities. Technical Depth Depth: Complete factory-level detail, suitable for both DIY enthusiasts and professional mechanics. Covers everything from basic maintenance to complete engine and transmission rebuilds. 📊 Manual Specifications File Format Compatibility: All Versions of Windows & Mac Print Quality Printable: Printable without any restriction Requirements Reader Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine 735I 735Il Engine Code: M30B35 Engine Type: Inline 6-Cylinder, Naturally Aspirated Displacement: 3.430 cc (3.4 Liters) Bore X Stroke: 92.0 mm x 86.0 mm Compression Ratio: 8.0:1 or 9.0:1 (depending on market/model year) Horsepower Net Psi: 208 hp @ 5,700 rpm Torque Net Lb-Ft: 225 lb-ft @ 4,000 rpm Fuel System: Bosch Motronic Fuel Injection Primary Engine 40I 40Il Engine Code: M60B40 Engine Type: V8, Naturally Aspirated Displacement: 3.982 cc (4.0 Liters) Bore X Stroke: 84.0 mm x 89.0 mm Compression Ratio: 10.0:1 Horsepower Net Psi: 282 hp @ 5,800 rpm Torque Net Lb-Ft: 295 lb-ft @ 4,500 rpm Fuel System: Bosch Motronic M3.3 Fuel Injection Notes Engine Notes: The M60 V8 was BMW's first mainstream V8 engine, notable for its compact design and Nikasil cylinder liners (later replaced by Alusil in some markets due to potential sulfur sensitivity). 🔧 Transmission 735I 735Il Standard Transmission: 4-Speed Automatic (ZF 4HP22) Optional Transmission: 5-Speed Manual (Getrag 265/5) - Rare in North American market 740I 740Il Standard Transmission: 5-Speed Automatic (ZF 5HP30) Features Transmission Control: Electronic transmission control with sport/economy modes. Fluid Specifications Zf 4Hp22 Fluid Type: BMW ATF LT-3 (or equivalent Dexron III/Mercon) Zf 5Hp30 Fluid Type: BMW ATF LT-4 (or equivalent Dexron III/Mercon) 📐 Dimensions Exterior 735I Length: 4,960 mm (195.3 in) Width: 1,847 mm (72.7 in) Height: 1,400 mm (55.1 in) Exterior 735Il Length: 5,124 mm (201.7 in) Width: 1,847 mm (72.7 in) Height: 1,400 mm (55.1 in) Exterior 740I Length: 4,960 mm (195.3 in) Width: 1,847 mm (72.7 in) Height: 1,400 mm (55.1 in) Exterior 740Il Length: 5,124 mm (201.7 in) Width: 1,847 mm (72.7 in) Height: 1,400 mm (55.1 in) Weights Curb Weight 735I: Approx. 1,700 kg (3,748 lbs) Curb Weight 740I: Approx. 1,790 kg (3,946 lbs) Curb Weight 740Il: Approx. 1,890 kg (4,167 lbs) Wheels Tires Standard Wheel Size: 15-inch or 16-inch Alloy Standard Tire Size: 205/65R15, 215/65R15, 225/60R15, 225/55R16 (vary by model and year) Bolt Pattern: 5 x 120 mm 🛡️ Safety Features Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional (ASC - Automatic Stability Control) on later models. Passive Features Airbags: Driver-side airbag standard from 1990 onwards; passenger airbag optional/standard later in production. Seatbelts: 3-point inertia-reel seatbelts with pretensioners. Chassis Structure Construction: Reinforced safety cell, crumple zones. 💡 Technology Features Infotainment Audio System: Premium sound systems (e.g., Nakamichi) were available, often with cassette player and optional CD changer. Driver Assistance Cruise Control: Standard electronic cruise control. Climate Control System Type: Automatic climate control with dual-zone temperature settings. Comfort Features Seating: Power-adjustable front seats with memory function, heated seats, and lumbar support. Windows Mirrors: Power windows, power mirrors with defroster, power sunroof. 🔧 Maintenance Service Intervals General Oil Change: Every 7,500-10,000 miles or 12-18 months, depending on driving conditions. Refer to manual for specific recommendations. Spark Plugs: Typically every 30,000-60,000 miles, depending on plug type (e.g., standard copper vs. platinum). Coolant Flush: Every...