🏷️ Basic Information

Make:

BMW

Model:

3 Series

Sub Model:

316

Sub Model Variant:

316i

Chassis Code:

E30

Engine Code Prefix:

M40

👋 Introduction

Segment:

Compact Executive / Sports Sedan

Target Audience:

Enthusiasts seeking to maintain or repair their classic BMW E30 316/316i.

Competitors Era:

Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Ford Sierra, Opel Vectra.

Brand Philosophy:

BMW's 'Ultimate Driving Machine' ethos reflected in the E30's handling and driver engagement.

Manual Value Proposition:

Provides the critical technical data necessary for accurate diagnosis and repair, crucial for preserving these iconic vehicles.

📋 Manual Details

Applicable Years:

1988, 1989, 1990, 1991

Engine Variants Covered:

1.6L M40B16 (316i)

Estimated Pages:

Hundreds (specific number not provided, but implies comprehensive coverage)

Type:

Workshop Service Repair Manual

Language:

English

Delivery Method:

Downloadable

File Format:

Likely PDF or similar digital format (implied by 'Download')

📖 Manual Coverage

Engine:

Complete overhaul, diagnosis, component testing, timing, fuel injection, ignition, cooling, lubrication, emissions.

Transmission:

Manual transmission (Getrag 240) repair, clutch service, driveline, driveshaft, CV joints.

Brakes:

Front disc brakes (ATE or Girling), rear drum brakes (or disc on some variants), hydraulic system, ABS (if equipped), bleeding procedures, component replacement.

Suspension:

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

Steering:

Power steering system (if equipped), steering rack, tie rods, steering column, linkage.

Electrical:

Wiring diagrams, fuse box layouts, lighting systems, starter, alternator, battery, ignition system, engine control unit (ECU), sensor testing, diagnostic codes.

Bodywork:

Body panel removal/installation, door mechanisms, interior trim, glass replacement, rust repair techniques (general guidelines).

HVAC:

Heating and ventilation system operation, fan motor, heater core, blower resistor, refrigerant system (if A/C equipped, though less common on 316i).

Maintenance:

Oil changes, filter replacements, spark plug service, coolant flush, belt adjustments, brake inspections, general lubrication.

Troubleshooting:

Diagnostic flowcharts for common engine performance issues, starting problems, electrical faults, and drivability concerns.

Repair:

Detailed step-by-step instructions for component removal, repair, and reinstallation across all major vehicle systems.

Diagnostics:

Explanation of diagnostic connectors, fault codes, and on-board diagnostic (OBD) procedures specific to the E30 era.

Calibration:

Idle speed adjustment, ignition timing adjustments (where applicable), sensor calibration.

Depth:

Comprehensive factory-level detail suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic fluid checks to complete engine and transmission rebuilds.

Diagnostic Tools:

Information on specialized BMW diagnostic tools and procedures used during the era (e.g., checking sensor outputs, ECU functions).

📊 Manual Specifications

Compatibility:

Standard PDF reader software, printable pages.

Clarity:

High-resolution scans ensuring clear text and diagrams, allowing for easy printing.

Physical Manual:

N/A (digital download implies user prints and binds)

Physical Manual:

N/A (digital download implies user prints and binds)

⚙️ Engine Specifications

Engine Type:

Inline 4-cylinder, DOHC (M40B16)

Displacement:

1596 cc (1.6 Liters)

Bore X Stroke:

84.0 mm x 71.0 mm

Compression Ratio:

8.5:1 or 9.0:1 (depending on specific market/variant)

Power Output:

Approx. 100-102 PS (74-75 kW; 99-101 hp) at 5800-6000 rpm

Torque Output:

Approx. 138-140 Nm (102-103 lb-ft) at 4000-4300 rpm

0-60 Mph:

Approx. 10.5 - 12.0 seconds (varies by transmission and condition)

Top Speed:

Approx. 185-190 km/h (115-118 mph)

Fuel Delivery:

Bosch Motronic fuel injection (e.g., Motronic ML or similar)

Fuel Type:

Unleaded gasoline (RON 91-95 or equivalent)

Fuel Pump Pressure:

Typically around 3.0 - 3.5 bar

Ignition Type:

Electronic ignition, distributorless (DIS) or distributor-based ignition coil system.

Coolant Type:

Ethylene Glycol based coolant, typically a 50/50 mix with distilled water.

Oil Type:

API SG or SH, SAE 10W-40 or 15W-40 (check manual for exact spec).

Oil Capacity:

Approx. 4.0 - 4.5 liters (including filter)

🔧 Transmission

Type:

5-speed manual (Getrag 240/5)

Type:

3-speed automatic (ZF 3HP22)

Manual Gear Ratios:

Specific ratios detailed in manual, typically including overdrive 5th gear for fuel efficiency.

Manual Fluid Type:

GL-4 rated gear oil, typically SAE 75W-90 or 80W-90.

Automatic Fluid Type:

ATF Dexron II or III (check manual for precise specification).

📐 Dimensions

Body Styles:

2-door sedan, 4-door sedan, convertible (though 316i primarily sedans).

Wheelbase:

2565 mm (101.0 in)

Length:

4325 mm (170.3 in)

Width:

1675 mm (66.0 in)

Height:

1380 mm (54.3 in)

Curb Weight:

Approx. 1150 - 1250 kg (2535 - 2756 lbs), depending on body style and equipment.

Gross Vehicle Weight Rating:

Specified by model variant, typically around 1700-1800 kg.

Standard Wheel Size:

14-inch steel or alloy wheels (e.g., 14x5.5 or 14x6.5)

Optional Wheel Size:

15-inch alloy wheels (e.g., BBS style)

Standard Tire Size:

175/70 R14 or 185/65 R14

Wheel Bolt Pattern:

4 x 100 mm (4x3.94 inches)

Wheel Offset Et:

ET24 to ET30 (typical for 14" and 15" wheels)

🛡️ Safety Features

Crash Test Results:

No standardized NCAP tests for this era. However, the E30 chassis was known for its robust structure.

Braking System:

Front ventilated discs, rear drums (standard). ABS was an option on some models.

Seatbelts:

Three-point inertia reel seatbelts front and rear (standard).

Head Restraints:

Front adjustable head restraints, rear head restraints (optional or standard depending on market).

Body Structure:

Reinforced safety cage, crumple zones, side impact protection bars (typical for BMW of this era).

💡 Technology Features

Audio System:

Optional BMW Bavaria C or similar cassette radio systems from the era. Aftermarket upgrades common.

ABS:

Anti-lock Braking System (ABS) was an optional feature on many E30 models, including likely the 316i.

Cruise Control:

Optional on some models, less common on base 316i.

Modern Integration:

No native modern connectivity features (Bluetooth, USB). Aftermarket solutions are required.

🔧 Maintenance

Oil Change Interval:

Typically 10,000 - 15,000 km or 12 months, whichever comes first (check manual for exact spec).

Spark Plug Replacement:

Every 20,000 - 30,000 km or as per manual, depending on spark plug type (e.g., standard copper vs. long-life).

Coolant Replacement:

Every 2 years or 40,000 km (for conventional coolants).

Timing Belt Replacement:

Crucial for M40 engines; typically every 60,000 km or 4 years. Failure can cause severe engine damage.

Brake Fluid:

DOT 3 or DOT 4.

Power Steering Fluid:

ATF Dexron II/III or Pentosin CHF 11S (verify specific type as it could vary).

M40 Engine Reliability:

Known for potential head gasket issues if overheated, and timing chain tensioner wear (though M40 uses a belt). Critical to adhere to timing belt replacement schedule.

E30 Common Problems:

Rust in common areas (wheel arches, rocker panels, battery tray), deteriorating rubber bushings (control arms, trailing arms), fuel pump failure, coolant leaks from plastic components.

Electrical System Quirks:

Corroded grounds, faulty wiper motors, failing instrument cluster backlights, fuel pump relay issues.

📚 Vehicle History

Bmw Legacy:

BMW's long history of building driver-focused sedans with excellent chassis dynamics.

E30 Introduction:

The E30 platform was introduced in 1982 as the successor to the E21 3 Series, lasting until 1991/1994 (depending on market and body style).

E30 Facelifts:

The E30 received minor facelifts (often referred to as 'Late Model' or 'Late-Series') around 1987/1988, which included updated bumpers (plastic 'M-Tech' style), side skirts, and minor interior revisions.

Production Years For 316I:

1988-1991 (within the overall E30 production run).

Manufacturing Locations:

Primarily Germany (Munich, Dingolfing) and South Africa.

🏆 Awards & Recognition

E30 Legacy Awards:

The E30 platform itself was highly acclaimed for its driving dynamics and build quality, earning numerous accolades during its production run as 'Car of the Year' or similar in various publications.