🏷️ Basic Information Identification Make: BMW Model: 5 Series Model Code: E28 Trim: 535i Performance Trim: M5 Year: 1988 Codes Engine Code 535I: M30B34 Engine Code M5: S38B35 📋 Manual Details Coverage Areas General Maintenance: True Troubleshooting: True Engine Service Repair: True Transmission Service Repair: True Brake System: True Wiring Diagrams: True Electrical System: True Suspension: True Periodic Lubrication: True Steering: True Cooling System: True Fuel Injection: True Fuel System: True Emission System: True HVAC: True Engine Control System: True Chassis Body: True Restraint System: True Interior: True Differential Drive: True Axle: True Safety Hints: True Operation Suggestions: True Transportation Preparation: True Maintenance Charts: True Service Instructions: True Air Filter: True Tyre Rotation: True Valves: True Lights: True Manual Type Unknown: Electronic Troubleshooting Manual Language Unknown: English File Format Unknown: PDF Compatibility Unknown: Windows & Mac Delivery Method Unknown: Instant Download Requirements Unknown: Adobe PDF Reader, WinZip ⚙️ Engine Specifications Primary Engine 535I Engine Type: Inline 6-Cylinder Displacement: 3.4 Liters (3430 cc) Fuel System: Bosch L-Jetronic Fuel Injection Primary Engine M5 Engine Type: Inline 6-Cylinder Displacement: 3.5 Liters (3453 cc) Engine Code: S38B35 Fuel System: Bosch L-Jetronic Fuel Injection Performance 535I Horsepower: 182 hp @ 5500 rpm Torque: 214 lb-ft @ 4000 rpm Performance M5 Horsepower: 256 hp @ 6300 rpm Torque: 243 lb-ft @ 4500 rpm 🔧 Transmission Standard 535I Type: 5-Speed Manual Optional 535I Type: 4-Speed Automatic Standard M5 Type: 5-Speed Manual Features Limited Slip Differential M5: Standard 📐 Dimensions Exterior Length Value: 4740 mm (186.6 in) Exterior Width Value: 1750 mm (68.9 in) Exterior Height Value: 1410 mm (55.5 in) Exterior Wheelbase Value: 2795 mm (110.0 in) Weights 535I Curb Weight: 1570 kg (3461 lbs) Weights M5 Curb Weight: 1670 kg (3682 lbs) 🛡️ Safety Features Features Standard Seatbelts: 3-point inertia reel front and rear Child Seat Anchors: N/A (pre-dates modern ISOFIX) Anti Lock Brakes ABS: Optional (standard on M5) 🔧 Maintenance Fluid Specifications Engine Oil Type: API SG or higher, SAE 15W-40 Fluid Specifications Coolant Type: BMW Coolant Antifreeze Fluid Specifications Brake Fluid Type: DOT 4 Fluid Specifications Transmission Fluid Manual Type: BMW MTF LT-2 Fluid Specifications Transmission Fluid Auto Type: Dexron III Fluid Specifications Differential Fluid Type: Hypoid Gear Oil SAE 75W-90 Service Intervals Oil Change Recommendation: Every 5,000-7,500 miles or 6-12 months Service Intervals Spark Plugs Recommendation: Every 30,000 miles