Segment:
Compact Executive Sedan
Key Competitors:
Mercedes-Benz 190E (W201), Audi 80, Alfa Romeo Alfetta.
Brand Philosophy:
BMW's 'Ultimate Driving Machine' philosophy, emphasizing sportiness and driver engagement.
E30 Significance:
The E30 platform is renowned for its robust engineering, balanced chassis, and engaging driving dynamics, setting a benchmark for compact sedans.
Engine:
Complete engine overhaul, tuning, diagnosis, cooling system, lubrication system, fuel system, exhaust system.
Transmission:
Manual and automatic transmission repair, clutch service, driveshaft, differentials.
Brakes:
Brake system diagnosis, repair, hydraulic systems, disc and drum brake service, parking brake.
Suspension:
Front and rear suspension components, steering system, shock absorbers, springs, bushings.
Electrical:
Wiring diagrams, ignition system, charging system, lighting, starting system, battery, fuses, relays, instrumentation.
Bodywork:
Body panel repair, corrosion prevention, interior trim, door mechanisms, glass replacement.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks, tune-ups.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault code interpretation (where applicable).
Repair:
Step-by-step repair instructions for all major mechanical and electrical components.
Rebuilding:
Comprehensive instructions for engine and transmission rebuilds.
Diagnostic Coverage:
Detailed diagnostic procedures, symptom-based troubleshooting guides.
Rebuild Instructions:
In-depth procedures for complete overhauls of major components.
Engine Type:
Inline-4 Cylinder, Naturally Aspirated
Displacement:
1.8 Liters (1766 cc)
Bore X Stroke:
89.0 mm x 71.0 mm
Compression Ratio:
8.8:1 (typical)
Horsepower:
99 hp (74 kW) @ 5800 rpm (approx.)
Torque:
140 Nm (103 lb-ft) @ 3500 rpm (approx.)
Fuel Delivery:
Bosch LE2-Jetronic Fuel Injection
Fuel Type:
Unleaded Gasoline (Octane rating as per BMW specifications for the period, typically 91+ RON)
Crash Testing Era:
1980s safety standards (less stringent than modern tests).
Braking System:
Front ventilated discs, rear drums (standard).
Seat Belts:
Three-point front seatbelts, lap belts in rear.
Body Structure:
Reinforced safety cage, crumple zones.
Oil Change Interval:
Typically every 7,500-10,000 miles or 12 months (refer to manual for exact recommendation).
Spark Plug Replacement:
Refer to manual; typically around 30,000 miles for period-correct plugs.
Engine Oil:
API SG or higher, viscosity typically 10W-40 or 20W-50 (consult manual for precise recommendation based on climate).
Coolant:
Ethylene glycol-based antifreeze/coolant, 50/50 mix with distilled water.
Transmission Fluid Manual:
API GL-4 gear oil, SAE 75W-90 or 80W-90.
Transmission Fluid Automatic:
Dexron II (or equivalent specification for ZF 3HP22).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Engine M10:
Timing chain wear, oil leaks from seals and gaskets, carburetor or fuel injection issues (depending on specific 316 variant).
Body Rust:
Prone to rust in common areas such as wheel arches, rocker panels, battery tray, and subframes.
Suspension Wear:
Bushings (control arm, sway bar) and ball joints can wear over time, affecting handling and ride quality.
Electrical Corrosion:
Connectors and grounds can corrode, leading to intermittent electrical faults, particularly with age.
Bmw Legacy:
BMW's long history of producing well-engineered, driver-focused vehicles.
E30 Introduction:
The E30 generation was launched in 1982 as the successor to the E21 3 Series, establishing a new standard for the compact executive segment.
316 Positioning:
The 316 was the entry-level model in the E30 range, offering BMW quality and driving experience at a more accessible price point.
Production Years:
E30 production ran from 1982 to 1994, with the 316 model being a significant part of the early to mid-production run.
