🏷️ Basic Information

Make:

BMW

Model:

3 Series

Model Variant:

316 / 316i

Year:

1990

Chassis Code:

E30

Engine Code 316:

M10B18 (carbureted, some markets)

Engine Code 316I:

M10B18 (fuel-injected)

👋 Introduction

Positioning:

The BMW 3 Series (E30) was a compact executive car that cemented BMW's reputation for sporty handling and build quality. The 316 and 316i models provided an entry-level option into the premium German marque, balancing performance with relative economy.

Competitors:

Competed against vehicles like the Mercedes-Benz 190E, Audi 80, and Ford Sierra XR4i in various markets.

Handling:

Renowned for its balanced chassis, RWD layout, and engaging driving dynamics.

Build Quality:

Characterized by robust construction and premium interior materials for its class.

Design:

Iconic 'E30' design language, considered a classic by many enthusiasts.

📋 Manual Details

Coverage Scope:

All models, engines, trim levels, and transmission types for the 1990 BMW 316 and 316i (E30 chassis).

Estimated Page Count:

Varies by specific manual version, typically 500-1000+ pages for comprehensive workshop manuals.

Type:

Workshop Repair and Service Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine:

Detailed diagnostics, repair, overhaul, and troubleshooting for the M10B18 engine (both carbureted and fuel-injected variants).

Fuel System:

Component testing and repair for carbureted (e.g., Pierburg 2E) and Bosch LE-Jetronic fuel injection systems.

Ignition System:

Distributor-based ignition system diagnostics, timing adjustment, and component replacement.

Transmission:

Service and repair procedures for manual (e.g., Getrag 240) and automatic transmissions.

Drivetrain:

Rear-wheel drive system, driveshafts, differential, and axle servicing.

Suspension:

Front MacPherson struts, rear semi-trailing arms, shock absorbers, bushings, and alignment specifications.

Steering:

Power steering system (if equipped) diagnosis and repair, steering rack, and tie rod end replacement.

Brakes:

Front disc brakes, rear drum brakes (or disc on some variants), ABS system (if equipped), hydraulic lines, and caliper/wheel cylinder service.

Electrical System:

Comprehensive wiring diagrams, fuse box layout, starter, alternator, battery servicing, lighting, and accessory circuits.

Body And Chassis:

Body panel alignment, door mechanisms, interior trim removal, glass replacement, and underbody rust protection.

Heating And Cooling:

HVAC system diagnosis, blower motor, heater core, and air conditioning system servicing (if equipped).

Maintenance:

Routine maintenance tasks such as oil changes, filter replacements, spark plug checks, and fluid level checks.

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and complex issues.

Repair:

Detailed step-by-step instructions for component replacement and repair.

Overhaul:

Complete engine and transmission rebuild procedures.

Calibration:

Adjustment and calibration of engine timing, idle speed, and fuel injection systems.

Diagnostic Charts:

Flowcharts and symptom-based troubleshooting guides.

Depth:

Comprehensive coverage from basic maintenance and fluid changes to in-depth engine and transmission overhauls, including detailed electrical system diagnostics.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable, allowing for quick information retrieval.

Printability:

Printable, allowing for on-hand reference.

Quality:

High-resolution digital reproduction of original factory documentation.

Binding:

N/A (Digital PDF format)

Paper:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type 316I:

Inline 4-cylinder, SOHC (M10 family)

Displacement 316I:

1.8 Liters (1766 cc)

Bore X Stroke 316I:

89.0 mm x 71.0 mm

Compression Ratio 316I:

8.8:1 (typical)

Engine Type 316:

Inline 4-cylinder, SOHC (M10 family, carbureted)

Displacement 316:

1.8 Liters (1766 cc)

Horsepower 316I:

102 hp @ 5500 rpm (approx.)

Torque 316I:

107 lb-ft @ 3250 rpm (approx.)

Horsepower 316:

90 hp @ 5500 rpm (approx. - carbureted)

Torque 316:

97 lb-ft @ 3500 rpm (approx. - carbureted)

Fuel System 316I:

Bosch LE-Jetronic Fuel Injection

Fuel System 316:

Single Downdraft Carburetor (e.g., Pierburg 2E)

Recommended Fuel:

Unleaded gasoline, 91 octane (RON+MON)/95 AKI or higher recommended

🔧 Transmission

Standard Transmission:

4-speed Manual (e.g., Getrag 240)

Optional Transmission:

3-speed Automatic (e.g., ZF 3HP22)

Drivetrain:

Rear-Wheel Drive (RWD)

📐 Dimensions

Length:

4325 mm (170.3 in)

Width:

1675 mm (65.9 in)

Height:

1380 mm (54.3 in)

Wheelbase:

2570 mm (101.2 in)

Curb Weight:

Approx. 1150-1250 kg (2535-2755 lbs) depending on transmission and equipment.

🛡️ Safety Features

Crash Test Era:

Safety standards and testing procedures were less stringent compared to modern vehicles. Specific NHTSA/IIHS ratings for this exact configuration are difficult to pinpoint, but the E30 chassis was known for its robust build.

ABS:

Optional on some models, particularly later E30s.

Seatbelts:

Standard front seatbelts, optional rear seatbelts.

Construction:

Unitized body construction with front and rear crumple zones.

💡 Technology Features

Audio System:

Factory radio with cassette player, optional CD player available on some later models. Basic speaker configurations.

ABS Availability:

Optional ABS system on some models, primarily impacting braking performance and stability control.

Bluetooth Nav:

No factory Bluetooth or navigation systems. Aftermarket solutions were common for upgrades.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions and oil used. Refer to manual for exact specifications.

Spark Plug Replacement:

Around 20,000-30,000 miles (32,000-48,000 km) for standard plugs. Check manual for specific type and interval.

Coolant Flush:

Every 2-3 years or 30,000-50,000 miles (48,000-80,000 km).

Engine Oil Type:

API SG or higher, viscosity typically 10W-40 or 20W-50. BMW approved oils are ideal. Consult manual for precise grade.

Engine Oil Capacity:

Approx. 4.5 liters (4.8 US quarts) with filter change.

Coolant Type:

Ethylene glycol-based antifreeze (blue or green). BMW G48 or equivalent coolant recommended.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Transmission Fluid Manual:

API GL-4 or GL-5 gear oil, viscosity 75W-90 or 80W-90. Refer to manual for exact specification.

Transmission Fluid Automatic:

ATF Dexron II or III (or equivalent specified by ZF). Refer to manual for exact specification.

Differential Fluid:

API GL-5 gear oil, viscosity 75W-90 or 80W-90.

Cooling System:

Radiator leaks, thermostat housing failures, water pump wear, and heater core leaks are common E30 issues.

Rubber Components:

Degradation of rubber bushings (control arms, sway bars), hoses, and seals due to age.

Fuel System Injection:

Faulty fuel pressure regulator, clogged injectors, and failing fuel pumps in LE-Jetronic systems.

Electrical Connectors:

Corrosion in connectors and wiring harness issues, especially ground points.

Rust:

Common areas for rust include wheel arches, rocker panels, around the sunroof, and rear shock mounts.

📚 Vehicle History

Bmw Heritage:

BMW, Bayerische Motoren Werke AG, has a long history dating back to 1916, known for producing high-performance luxury vehicles and motorcycles.

E30 Lineage:

The E30 generation of the 3 Series was produced from 1982 to 1994 (sedans ending earlier). It succeeded the E21 and was replaced by the E36. It was available in various body styles including 2-door sedan, 4-door sedan, convertible, and wagon (Touring).

Production Period:

The 1990 model year falls within the latter half of the E30's production lifecycle.

Manufacturing Location:

Primarily Germany, with some assembly potentially occurring in other BMW global facilities.

🏆 Awards & Recognition

Car And Driver 10Best:

While the 316/316i was the base model, the E30 3 Series platform as a whole consistently appeared on Car and Driver's 10Best list during its production years, highlighting its overall excellence.