Segment:
Compact Executive Sedan
Target Audience:
Enthusiasts and DIY mechanics seeking in-depth repair information for the E30 generation 3 Series.
Competitors:
Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 Series.
Design Philosophy:
Driver-focused, sporty handling, classic BMW proportions, robust engineering.
Manual Value Proposition:
Provides essential, detailed technical information for maintaining and repairing the specific 316 E30 model, crucial for preserving its classic status and performance.
Engine Mechanical:
Detailed overhaul, repair, and diagnostic procedures for the M40B16 engine.
Engine Electrical:
Wiring diagrams, ignition system, fuel injection system (Bosch Motronic), starting and charging system.
Transmission:
Repair and adjustment procedures for Getrag 260 5-speed manual transmission.
Drivetrain:
Rear axle, driveshaft, universal joints, differential service.
Suspension:
Front and rear suspension components, steering system, wheel alignment specifications.
Brakes:
Front disc brakes, rear drum brakes (or optional rear disc), brake system bleeding, component replacement.
Cooling System:
Radiator, water pump, thermostat, hoses, heater core service.
Fuel System:
Fuel tank, fuel pump, fuel lines, fuel filter replacement, fuel injection system diagnostics.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, pipe replacement.
Bodywork:
Body panel removal and installation, door mechanisms, interior trim, glass replacement.
Electrical System Lighting:
Headlights, taillights, interior lighting, bulb replacement, fuse box locations.
Heating Ventilation Air Conditioning:
HVAC controls, blower motor, cabin air filter (if applicable), heater core, A/C system recharge procedures (general).
Maintenance:
Oil change, filter replacement, spark plug replacement, fluid checks and top-offs, belt inspection and replacement.
Troubleshooting:
Diagnostic flowcharts and common fault finding for engine, electrical, and mechanical systems.
Repair:
Step-by-step instructions for component replacement and major system repairs.
Overhaul:
Detailed engine rebuild procedures, transmission overhaul, and differential rebuilding.
Diagnostics:
Procedures for diagnosing issues using symptoms, test equipment, and diagnostic charts.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Depth:
Comprehensive coverage from routine maintenance to complete engine and transmission rebuilds.
Detail Level:
Detailed torque specifications, clearances, and diagnostic parameters.
Type:
Getrag 260 5-speed Manual Transmission
Type:
ZF 4HP22 4-speed Automatic Transmission
Clutch Type:
Hydraulically actuated single dry plate clutch
Manual Transmission Fluid:
GL-4 SAE 75W-90 Gear Oil (e.g., BMW part number 0751 0008 407 or equivalent)
Automatic Transmission Fluid:
Dexron II or III (check manual for exact BMW specification, e.g., BMW ATF D2 or D3)
Body Styles:
2-door Sedan, 4-door Sedan, Convertible, Touring (Wagon - though less common for 316 in this specific range).
Wheelbase Mm:
2570 mm (approximate for E30 sedan)
Wheel Bolt Pattern:
5x120 mm
Wheel Offset Et:
ET20 to ET25 (typical for OEM wheels)
Curb Weight Kg:
1150-1250 kg (approximate, depending on body style and options)
Crash Testing:
E30 generation predates modern stringent crash testing standards like Euro NCAP or NHTSA 5-star ratings. Known for robust build quality for its era.
Seatbelts:
Standard front seatbelts, rear seatbelts (3-point in rear for later models).
Body Structure:
Reinforced safety cage, crumple zones.
Steering Column:
Collapsible steering column.
ABS:
Optional on some models, particularly later production years.
Audio System:
Typically analog radio with cassette player, optional premium sound system (e.g., Blaupunkt or Becker).
Dashboard Instruments:
Classic BMW analog gauges: speedometer, tachometer, fuel level, coolant temperature, oil pressure (on some models). Check control system for warning lights.
Cruise Control:
Optional on some models.
Connectivity Features:
No modern connectivity features (Bluetooth, USB, etc.); aftermarket solutions available.
Oil Change:
Every 10,000-15,000 km or 6-12 months (recommendation based on oil quality; consult manual for precise BMW intervals).
Air Filter Replacement:
Every 30,000-40,000 km or as needed based on conditions.
Spark Plug Replacement:
Every 30,000-40,000 km for standard plugs; consult manual for specific type and interval.
Coolant Flush:
Every 2-3 years or 40,000-60,000 km.
Brake Fluid Flush:
Every 2 years.
Engine Oil:
API SG or higher, SAE 15W-40 or 10W-40 (consult manual for specific BMW approval, e.g., BMW Longlife-98 for later variants, though 15W-40 was common).
Coolant:
Ethylene Glycol-based antifreeze, typically a 50/50 mix with distilled water. BMW Blue Coolant or equivalent.
Power Steering Fluid:
BMW CHF 11S or Pentosin hydraulic fluid (check manual for exact specification; some E30s used ATF).
Engine M40:
Timing chain tensioner wear (can lead to rattling noise and potential chain jump), valve guide seals (oil consumption).
Body Rust:
Common rust points include wheel arches, rocker panels, jacking points, battery tray, and rear strut towers.
Suspension Wear:
Bushings (control arm, sway bar), ball joints, and tie rod ends can wear over time, affecting handling and alignment.
Electrical:
Heater control valve issues, worn door lock actuators, intermittent wiper function, dashboard illumination problems.
Bmw Philosophy:
Bayerische Motoren Werke AG is renowned for its 'Ultimate Driving Machine' ethos, emphasizing performance, quality, and engineering excellence.
E30 Introduction:
The E30 generation succeeded the E21 and was produced from 1982 to 1994 (with the 316i/316 being a variant within this lifespan).
316 Positioning:
The 316 served as the entry-level model, offering BMW's characteristic driving dynamics at a more accessible price point, often featuring the M40 engine in later E30 iterations.
Manufacturing Locations:
Primarily Germany, with some assembly in other international locations.