Positioning Of E28 518I:
The E28 518i represented the entry-level model in BMW's prestigious E28 5 Series lineup, offering BMW's signature driving dynamics and build quality at a more accessible price point. It was positioned as a comfortable, reliable, and sporty executive sedan.
Competitors During Era:
Mercedes-Benz W124 E-Class (e.g., 230E), Audi 100, Jaguar XJ, Volvo 240/740, and various American sedans from Cadillac and Lincoln, though often competing on a smaller scale due to the 518i's more performance-oriented focus.
Distinctive Aspects:
Balanced handling, rear-wheel drive dynamics, functional and driver-focused interior, solid build quality, characteristic BMW styling.
Benefit To Owner:
Empowers owners to perform detailed maintenance and repairs, reducing reliance on dealerships, enhancing understanding of vehicle systems, and enabling proper upkeep for longevity.
Primary Coverage:
Service, Repair, Maintenance, Diagnostics, Troubleshooting
Specific Systems Detailed:
Engine (M10B18), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Drivetrain (Transmission, Differential), Suspension, Steering, Brakes, Electrical System (including wiring diagrams), HVAC, Bodywork, Interior Trim
Estimated Page Count:
700-1000+
Type:
Factory-Type Service Repair Workshop Manual
Format:
PDF (Digital Download)
Powertrain Systems:
Engine mechanical, fuel injection (Bosch L-Jetronic/Motronic), ignition, cooling, lubrication, exhaust
Chassis Systems:
Front/rear suspension, steering system, brake system (front disc, rear drum/disc), drivetrain components (clutch, gearbox, driveshafts, differential)
Electrical Systems:
Charging system, starting system, lighting, instrumentation, wipers, horn, power windows, central locking, wiring diagrams
Comfort And Body:
HVAC system, interior trim, exterior body panels, doors, windows, locks, seats
Routine Maintenance:
Oil changes, filter replacements, spark plug checks/replacement, fluid level checks/top-ups, belt adjustments/replacement
Repair And Overhaul:
Engine rebuilds (including valve adjustments, piston/ring replacement, bearing checks), transmission overhaul, brake caliper/cylinder rebuild, suspension component replacement, fuel system component testing/replacement
Diagnostics And Troubleshooting:
Fault finding procedures, diagnostic trouble codes (if applicable to L-Jetronic/Motronic), symptom-based troubleshooting guides
Special Tools And Techniques:
Identification of required special tools for specific procedures, torque specifications, alignment procedures
Depth:
Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including detailed electrical schematics and diagnostic flowcharts.
Searchability:
Likely searchable text within the PDF for quick information retrieval.
Print Quality Recommendation:
High-resolution scans suitable for printing, with clear diagrams and legible text.
Binding Type For Printed:
N/A (digital format), but typical for printed manuals would be spiral-bound or saddle-stitched for ease of use in a workshop environment.
Paper Type For Printed:
N/A (digital format), but factory manuals are often printed on durable, coated paper to withstand workshop conditions.
Engine Type:
Inline-4 Cylinder, SOHC
Displacement:
1.8 liters (1766 cc)
Horsepower:
Approx. 90-99 hp (DIN) depending on market and specific tune
Torque:
Approx. 140-145 Nm (103-107 lb-ft) depending on market and specific tune
Fuel Delivery:
Bosch L-Jetronic or Motronic (depending on year and market) Fuel Injection
Fuel Type:
Unleaded Gasoline (Premium recommended)
Ignition System:
Electronic Ignition (Breakerless)
Cooling Type:
Liquid-Cooled
Oil Capacity:
Approx. 4.5 liters (4.8 US quarts) with filter change
Engine Philosophy:
The M10 engine is known for its robustness, durability, and relative simplicity, making it a reliable powerplant when properly maintained.
Transmission Type Standard:
4-speed Manual Transmission
Transmission Type Optional:
3-speed Automatic Transmission (ZF 3HP22)
Clutch Type:
Hydraulically Actuated Single Dry Plate Clutch (Manual)
Gear Ratios Manual:
Specific ratios vary by model year, consult manual for precise figures.
Gear Ratios Automatic:
Specific ratios vary by model year, consult manual for precise figures.
Manual Transmission Fluid:
BMW ATF Dextron II (or equivalent specification like Mercon)
Automatic Transmission Fluid:
BMW ATF Dextron II (or equivalent specification like Mercon)
Length:
Approx. 4725 mm (186.0 in)
Width:
Approx. 1700 mm (66.9 in)
Height:
Approx. 1415 mm (55.7 in)
Wheelbase:
Approx. 2795 mm (110.0 in)
Curb Weight:
Approx. 1350-1450 kg (2976-3197 lbs) depending on equipment
Gross Vehicle Weight Rating:
Consult owner's manual or door jamb sticker for specific rating.
Trunk Volume:
Approx. 530 liters (18.7 cu ft)
Crash Test Data Availability:
Limited official modern crash test data for this era, but E28 chassis generally known for robust construction.
Braking System:
Front: Ventilated Disc Brakes; Rear: Disc Brakes (on most models) or Drum Brakes (on early/base models).
ABS Availability:
Optional on later models, not standard.
Seatbelts:
3-point inertia-reel seatbelts (front), lap belts (rear, sometimes 3-point optional).
Headrests:
Adjustable headrests (front and rear depending on trim).
Chassis Structure:
Integrated safety cage, crumple zones front and rear.
Audio System:
Factory-installed AM/FM cassette player, often with optional premium sound systems. Upgrades are common among enthusiasts.
Instrumentation:
Comprehensive analog gauges including speedometer, tachometer, fuel level, engine temperature, and oil pressure (on some models). Check control system for warning lights.
Driver Aids Era:
Minimal by modern standards. Focus was on the driving experience and chassis dynamics.
Connectivity Features:
N/A (No factory connectivity features like Bluetooth or USB).
Power Options:
Optional power windows, power mirrors, central locking, and air conditioning.
Oil Change Interval:
Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6-12 months, depending on driving conditions. Consult manual for specific recommendations.
Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on inspection.
Spark Plug Replacement:
Every 30,000 - 40,000 miles (48,000 - 64,000 km).
Timing Belt Replacement:
N/A - M10 engines use a timing chain.
Coolant Type:
BMW Antifreeze/Coolant (Blue) or equivalent ethylene glycol-based coolant with corrosion inhibitors, mixed 50/50 with distilled water.
Power Steering Fluid:
BMW ATF Dextron II or equivalent
Common Wear Items:
Front suspension bushings (control arm, sway bar), aging rubber hoses, fuel injectors (Bosch L-Jetronic), ignition components, driveshaft guibos (flexible couplings).
Electrical Gremlins:
Due to age, wiring harness degradation, connector corrosion, and aging relays can lead to intermittent electrical issues. The manual is crucial for diagnosing these.
Rust Prone Areas:
Wheel arches, rocker panels, battery tray area, rear valence, and strut towers.
Bmw Legacy:
BMW has a long-standing reputation for building sporty, driver-focused luxury sedans, a legacy deeply rooted in models like the 5 Series.
E28 Introduction:
The E28 was the second generation of the BMW 5 Series, produced from 1981 to 1988. It evolved from the E12 chassis, featuring sharper styling, improved aerodynamics, and more advanced technology.
E28 518I Positioning:
The 518i was introduced to offer a more economical option within the E28 range, particularly in markets with higher fuel costs or engine displacement taxes. It leveraged the proven M10 engine.
Production Period E28:
1981-1988
Manufacturing Locations:
Primarily Germany, with some assembly in other locations.
E28 General Acclaim:
The E28 generation of the 5 Series was widely praised by automotive journalists for its excellent handling, build quality, and driver involvement, solidifying BMW's reputation in the executive sedan segment.
Consumer Reports Era:
While specific awards for the 518i are rare, the E28 series generally received positive ratings for mechanical reliability and driving performance from publications of its time.
Manual Certification:
Factory-type quality implies adherence to OEM documentation standards, providing accurate and detailed information as intended by the manufacturer.
