Engine Mechanical:
Full overhaul, diagnostics, timing, valve adjustments, lubrication system
Engine Electrical:
Ignition system, starting system, charging system, fuel injection control (L-Jetronic), diagnostics
Fuel System:
Bosch L-Jetronic fuel injection, fuel pump, injectors, fuel pressure regulator, diagnostics
Transmission Manual:
Repair, overhaul, clutch replacement, linkage adjustment
Transmission Automatic:
Repair, overhaul, fluid specifications, control adjustments (if applicable to 528i variant)
Drivetrain:
Driveshaft, CV joints, differential, axle shafts
Suspension:
Front and rear suspension components, struts, springs, bushings, alignment specifications
Steering:
Power steering system, pump, hoses, steering rack, tie rods, alignment
Brakes:
Front and rear brake systems (disc brakes), calipers, rotors, pads, master cylinder, ABS (if equipped), bleeding procedures
Electrical System:
Wiring diagrams, lighting system, accessory circuits, fuse box, relays, battery, starter, alternator
HVAC:
Heating, ventilation, and air conditioning system components, refrigerant, service procedures
Body And Frame:
Panel removal, door mechanisms, glass replacement, body repair specifications
Interior:
Seat removal, dashboard disassembly, trim panel replacement
Maintenance:
Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid checks
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, fault code interpretation (for L-Jetronic)
Repair:
Component removal and installation, overhaul procedures, component-specific repair instructions
Rebuild:
Engine, transmission, and differential rebuild procedures
Wiring Diagrams:
Comprehensive, system-by-system wiring schematics
Specifications:
Torque specifications, clearances, fluid capacities, diagnostic values
Depth:
Comprehensive Factory Level (from basic maintenance to full engine rebuilds and complex electrical diagnostics)
Type:
4-speed manual Getrag 260
Type:
4-speed automatic ZF 4HP22
Clutch Type:
Single dry plate, hydraulic actuation
Manual Transmission Fluid:
BMW MTF LT-2 or equivalent (e.g., Pentosin ATF 1100)
Automatic Transmission Fluid:
Dexron III or equivalent (check specific ZF fluid)
Oil Change Interval Km:
Typically 10,000 - 15,000 km (check manual for specific recommendations)
Spark Plug Replacement:
Every 20,000 - 30,000 km (depending on plug type)
Engine Oil Type Viscosity:
API SG or SH, 15W-40, 10W-40 (check owner's manual for seasonal variations)
Engine Oil Capacity Liters:
Approx. 6.5
Coolant Type:
Ethylene glycol-based antifreeze, BMW Blue or equivalent
Brake Fluid Type:
DOT 3 or DOT 4
Common Wear Items:
Front control arm bushings, rear trailing arm bushings, fuel pump, airflow meter calibration, vacuum leaks, coolant hoses, sway bar links
Electrical Gremlins:
Can occur due to aging wiring insulation and connector corrosion
Engine Oil Consumption:
Can increase with age and mileage, check for oil leaks and worn valve stem seals
Brand Focus:
Sporty luxury, engineering excellence, performance sedans
E28 Introduction:
Introduced in 1981 as a successor to the E12 5 Series.
E28 Facelift:
Minor facelift in 1984 with larger bumpers, revised interior, and updated electronics.
E28 Discontinuation:
Replaced by the E34 5 Series in 1988.
Production Period:
1981-1988
Manufacturing Locations:
Germany (Dingolfing), South Africa
