Vehicle Segment:
Executive Sedan (Mittelklasse)
Brand Perception:
Known for engineering, performance, and build quality
Direct Competitors:
Mercedes-Benz W123/W124, Audi 100, Volvo 240, Jaguar XJ
Driving Dynamics:
Renowned for balanced handling and rear-wheel-drive dynamics
Build Quality:
Robust construction and durable materials
Design:
Classic, understated, and timeless design by Claus Luthe
Engine:
Complete overhaul, diagnostics, tuning, fuel system, ignition system, cooling system, lubrication system
Transmission:
Manual and Automatic transmission repair, clutch, torque converter, gearbox overhaul, fluid services
Drivetrain:
Prop shaft, differential, driveshafts, wheel bearings
Suspension:
Front and rear suspension, shock absorbers, springs, control arms, bushings, steering linkage
Brakes:
Hydraulic system, master cylinder, calipers, wheel cylinders, brake discs, brake pads, ABS (if applicable for specific models within the range)
Electrical System:
Wiring diagrams, battery, alternator, starter motor, lighting, instrumentation, fuses, relays, control modules
Fuel System:
Fuel pump, fuel injectors, fuel filter, fuel tank, carburetor (for early models if applicable)
Cooling System:
Radiator, water pump, thermostat, hoses, fan
Exhaust System:
Manifold, catalytic converter (if fitted), muffler, pipes
Body And Chassis:
Body panels, doors, windows, interior trim, chassis components, corrosion repair
Heating Ventilation And Air Conditioning:
HVAC system components, refrigerant, system servicing
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting for engine, electrical, and mechanical issues
Repair:
Component removal, installation, adjustment, and rebuilding procedures for all major systems
Diagnostics:
Testing procedures, specifications for sensors, actuators, and control units
Specifications:
Torque values, clearances, fluid capacities, electrical specifications
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems
Depth:
Full Workshop Manual - Suitable for professional mechanics and advanced DIY enthusiasts
Rebuild Procedures:
Engine, transmission, and differential rebuilding instructions included
Oil Change Interval:
Typically every 10,000-15,000 km (6,000-10,000 miles) or annually
Major Service Interval:
Every 40,000-60,000 km (25,000-37,000 miles)
Engine Oil Type:
API SG or SH, SAE 10W-40 or 15W-40 (check specific ambient temperature recommendations)
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors (BMW recommends specific G48 or equivalent)
Brake Fluid Type:
DOT 3 or DOT 4
Transmission Fluid Manual:
API GL-4 or GL-5, SAE 75W-90 or 80W-90
Transmission Fluid Automatic:
Dexron III or equivalent (ZF specified fluids)
Differential Fluid:
API GL-5, SAE 75W-90 or 80W-90
Engine:
Carburetor tuning/adjustment, timing belt wear (if applicable to specific variants), oil leaks from valve cover and oil pan gaskets
Suspension:
Worn control arm bushings, ball joints, and tie rod ends leading to play and poor alignment
Electrical System:
Corrosion in wiring harnesses, aging fuse box connections, failure of instrument cluster components
Body:
Rust formation in common areas such as wheel arches, sills, and around windows
Cooling System:
Cracked radiator end tanks, failing water pumps, thermostat sticking
