Segment:
Compact Executive Sedan/Coupe/Convertible
Target Audience:
DIY enthusiasts, independent repair shops, classic BMW owners seeking detailed technical information.
Key Competitors Era:
Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 Series, Ford Sierra.
Vehicle Appeal:
Rear-wheel drive dynamics, build quality, driver-focused cockpit, sporty handling, enduring design.
Manual Value Proposition:
Provides essential, in-depth technical knowledge to maintain and repair the classic E30 chassis, enabling cost-effective ownership and preserving vehicle integrity.
Engine:
Engine mechanicals, cylinder head, block, crankshaft, pistons, camshafts, lubrication system, cooling system, fuel injection system (Bosch Motronic), ignition system, emissions control.
Transmission:
Manual and automatic transmission overhaul, clutch operation, shift mechanisms, gear ratios, lubrication, troubleshooting.
Drivetrain:
Driveshafts, universal joints, differential, rear axle assembly, lubrication.
Suspension:
Front struts, control arms, ball joints, bushings, rear semi-trailing arms, shock absorbers, springs, anti-roll bars, alignment specifications.
Steering:
Steering rack, tie rods, steering column, power steering system (if equipped), troubleshooting.
Brakes:
Front disc brakes, rear drum brakes, brake hydraulics, master cylinder, brake calipers, wheel cylinders, parking brake, bleeding procedures, specifications.
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter motor), ignition system, lighting, instrumentation, fuses, relays, wiring diagrams for all major systems.
Body And Chassis:
Body panel removal and installation, door mechanisms, glass, bumpers, interior trim, underbody coatings, rust prevention.
Heating And Air Conditioning:
HVAC system operation, blower motor, heater core, evaporator, refrigerant system (if equipped), controls, troubleshooting.
Maintenance:
Routine oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt adjustments and replacement, brake pad inspection, tire rotation.
Diagnostics And Troubleshooting:
System-by-system troubleshooting guides, common fault diagnosis, symptom-based troubleshooting, diagnostic trouble codes (if applicable to the era).
Repair And Overhaul:
Detailed step-by-step instructions for engine rebuilds, transmission overhauls, suspension component replacement, brake system repairs, electrical component troubleshooting and replacement.
Specifications And Tolerances:
Torque specifications for all fasteners, engine component clearances, valve adjustments, alignment angles, fluid capacities, electrical resistance values.
Wiring Diagrams:
Comprehensive and clearly labeled wiring diagrams for all major electrical circuits, including engine management, lighting, instruments, and accessories.
Depth:
Comprehensive from basic scheduled maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics and body repair.
Engine Code Range:
M10 (for 316, typically M10B18), M40 (for 316i, typically M40B18)
Engine Type:
Inline 4-cylinder, SOHC (M10) / DOHC (M40)
Displacement:
1.8 Liters (1766cc for M10, 1795cc for M40)
Horsepower Approx:
90-105 hp (depending on specific engine variant and market)
Torque Approx:
135-145 Nm (99-107 lb-ft)
Injection System:
Bosch L-Jetronic (M10) / Bosch Motronic (M40)
Fuel Type:
Unleaded gasoline (91 RON or higher recommended)
Coolant Type:
Ethylene Glycol based coolant (BMW Blue or equivalent, 50/50 mix with distilled water)
Oil Type Recommendation:
SAE 15W-40 or 20W-50 (check manual for specific API/ACEA ratings)
Ignition System:
Distributorless ignition (M40) or Distributor with Hall sender (M10)
Oil Change Interval:
Approximately 7,500 - 10,000 miles (12,000 - 16,000 km) or 12 months, whichever comes first (refer to manual for precise intervals).
Air Filter Replacement:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) or annually.
Spark Plug Replacement:
Every 30,000 - 60,000 miles (48,000 - 96,000 km) depending on plug type (standard vs. platinum).
Timing Belt Replacement:
M40 engines use a timing belt, typically replaced every 40,000 - 60,000 miles (64,000 - 96,000 km) or 4-5 years.
Coolant Capacity:
Approximately 7.5 Liters (7.9 US Quarts)
Engine Oil Capacity:
Approximately 4.5 Liters (4.8 US Quarts) with filter
Brake Fluid Type:
DOT 3 or DOT 4 (check manual for specific recommendation)
Common Wear Items:
Bushings (control arm, sway bar), brake wear, fuel pump, ignition components, coolant hoses, radiator, heater core leaks.
Engine Specific:
M10 engines are robust but can suffer from oil seal leaks. M40 engines can have timing belt tensioner issues and head gasket wear if overheated.
Rust Prone Areas:
Wheel arches, rocker panels, jacking points, rear shock towers.
Bmw Legacy:
BMW's reputation for building sporty, driver-oriented vehicles with excellent engineering and build quality.
E30 Introduction:
The E30 generation replaced the E21 3 Series in 1982, bringing a more refined chassis, improved aerodynamics, and a wider range of engine options.
316 316I Positioning:
The 316 and 316i models served as the entry-level variants within the 3 Series lineup, offering BMW quality and driving dynamics at a more accessible price point.
E30 Production Years:
1982-1994 (E30 generation)
Manufacturing Locations:
Germany, South Africa, Austria, Thailand.
