Segment:
Compact Executive Sports Sedan.
Target Audience:
Enthusiasts, DIY mechanics, and professional technicians maintaining the E30 platform.
Competitors:
Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Peugeot 405.
Driving Dynamics:
Renowned for its balanced chassis, rear-wheel-drive dynamics, and driver-focused experience.
Build Quality:
Typical BMW build quality of the era, known for durability and solid construction.
Design Era:
Iconic BMW 'Neue Klasse' design language penned by Claus Luthe.
Engine:
Engine mechanical, lubrication system, cooling system, fuel system, ignition system, exhaust system, emissions control.
Transmission:
Manual and automatic transmission service, repair, and overhaul.
Drivetrain:
Clutch, driveshaft, differential, axle shafts.
Suspension:
Front and rear suspension, shock absorbers, springs, control arms, bushings.
Steering:
Steering system components, power steering, alignment.
Brakes:
Brake system, hydraulic lines, calipers, rotors, pads, parking brake, ABS (if equipped).
Electrical:
Wiring diagrams, charging system, starting system, lighting, instrumentation, fuses, relays, comfort systems.
Body:
Body panels, doors, windows, interior trim, convertible top (if applicable), chassis components.
Maintenance:
Routine maintenance, fluid changes, filter replacements, spark plug replacement, belt replacement.
Troubleshooting:
Diagnostic procedures, common fault identification, solutions for various issues.
Repair:
Component removal, installation, overhaul, and replacement for all major systems.
Diagnostics:
Step-by-step diagnostic trees for various systems, including electrical and mechanical faults.
Depth Level:
Comprehensive, covering from basic maintenance to in-depth engine and transmission rebuilds.
File Quality:
Likely high-resolution scans or digital native format, ensuring clarity of diagrams and text.
Searchable Text:
If digital (PDF), expect searchable text for quick information retrieval.
Print Readability:
Designed for clarity with clear diagrams and readable font sizes.
Binding:
If printed: Likely spiral-bound or perfect-bound for ease of use in a workshop.
Paper Quality:
If printed: Durable paper suitable for workshop environments.
Engine Code:
M10 (likely M10B18 or similar variant).
Configuration:
Inline 4-cylinder, SOHC.
Displacement:
1.8 Liters (1766 cc).
Horsepower:
Approximately 100-105 hp @ 5800-6000 rpm (specific variant dependent).
Torque:
Approximately 101-103 lb-ft @ 3200-3500 rpm (specific variant dependent).
Fuel Delivery:
Bosch L-Jetronic or LE-Jetronic Fuel Injection.
Fuel Type:
Unleaded gasoline.
Ignition System:
Electronic Ignition (breakerless).
Transmission Type Standard:
4-speed manual transmission.
Transmission Type Optional:
3-speed or 4-speed automatic transmission (ZF or Getrag).
Clutch Type:
Single dry plate clutch (manual).
Manual Transmission Fluid:
BMW Synchromesh Fluid (e.g., Shell ATF Dexron II or equivalent).
Automatic Transmission Fluid:
BMW ATF Fluid (e.g., Dexron II or equivalent).
Length:
Approximately 168.4 inches (4277 mm).
Width:
Approximately 65.4 inches (1661 mm).
Height:
Approximately 53.9 inches (1370 mm).
Wheelbase:
Approximately 101.2 inches (2570 mm).
Curb Weight:
Approximately 2550-2700 lbs (1157-1225 kg).
Gross Vehicle Weight Rating:
Approximately 3500-3600 lbs (1588-1633 kg).
Crash Test Results:
NHTSA and IIHS data for this specific model year might be limited, but E30s generally performed respectably for their era.
ABS:
Optional Anti-lock Braking System (ABS) available on some models.
Seatbelts:
Three-point seatbelts, potentially with pretensioners on later models.
Airbags:
Driver-side airbag typically not standard, may have been an option or introduced later in the E30 lifecycle.
Crumple Zones:
Designed with front and rear crumple zones for energy absorption.
Oil Change Interval:
Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions (consult manual for specifics).
Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on driving environment.
Spark Plug Replacement:
Every 30,000 miles (conventional) or 60,000 miles (platinum).
Engine Oil Type:
API SF or SG classification, SAE 10W-40 or 15W-40 (check manual for exact viscosity recommendation).
Engine Oil Capacity:
Approximately 4.5 liters (4.7 US quarts) with filter change.
Coolant Type:
BMW Blue Antifreeze/Coolant or equivalent (ethylene glycol-based).
Coolant Capacity:
Approximately 6.5 liters (6.9 US quarts).
Engine Mounts:
Worn engine mounts can lead to vibration and clunking noises.
Cooling System:
Radiator leaks, hose degradation, and water pump failures are common on older vehicles.
Electrical System:
Degrading wiring insulation, faulty relays, and alternator issues can arise due to age.
Suspension Bushings:
Worn control arm bushings and sway bar links can affect handling and cause noise.
Rust Perforation:
Common areas for rust include wheel arches, rocker panels, and the battery tray.
Bmw Legacy:
BMW's reputation for building driver-oriented, sporty, and well-engineered vehicles.
E30 Introduction:
The E30 generation succeeded the E21 3 Series and was produced from 1982 to 1994, with significant facelifts and model updates.
320I Positioning:
The 320i served as an entry-level model in many markets, offering a balance of performance and efficiency.
Production Period:
1982-1994 (E30 generation).
Manufacturing Locations:
Primary manufacturing in Germany, with some assembly in other locations.
