Segment:
Compact Executive Sedan/Coupe
Positioning:
Renowned for sporty handling, solid build quality, and driver engagement.
Competitors:
Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75
Driving Dynamics:
Excellent chassis balance, responsive steering, and robust suspension.
Engine Options:
Smooth inline-six engines known for their durability and performance characteristics.
Build Quality:
Typical BMW build quality, offering longevity and a premium feel.
Years Covered:
1987, 1988, 1989, 1990, 1991
Models Covered:
320i, 325i (Coupe, Sedan, Convertible, Touring)
Estimated Page Count:
600+
Type:
Service and Repair Manual
Powertrain:
Engine, Fuel System, Ignition System, Exhaust System, Transmission, Drivetrain
Chassis:
Suspension (Front & Rear), Steering, Brakes (Front & Rear), Wheels & Tires
Electrical:
Wiring Diagrams, Lighting, Instrumentation, Battery, Charging System, Starting System, Accessories
Body:
Body Panels, Doors, Windows, Seats, Interior Trim, HVAC System
Maintenance:
Oil Change, Filter Replacement, Spark Plug Replacement, Fluid Checks & Changes, Belt Adjustments
Diagnostics:
Troubleshooting Guides, Fault Code Interpretation, Symptom-Based Diagnostics
Repair:
Engine Rebuild, Transmission Overhaul, Brake Component Replacement, Suspension Bushing Replacement, Electrical Component Repair
Assembly Disassembly:
Detailed step-by-step instructions for major component removal and installation
Depth:
Comprehensive: Covers routine maintenance to complete engine and transmission rebuilds.
Detail Level:
Includes torque specifications, clearances, timing procedures, and diagnostic flowcharts.
Us NHTSA Fivestar Rollover:
N/A (No specific rating available for this era)
ABS:
Optional on most models, standard on later revisions
Airbags:
Driver's airbag optional/standard depending on market and year
Seatbelts:
3-point front and rear seatbelts
Crumple Zones:
Designed with front and rear crumple zones for impact absorption
Radio:
Factory-installed AM/FM cassette radios, often with limited features by modern standards.
Speaker System:
Basic speaker configurations, typically 2-4 speakers.
Cruise Control:
Optional feature on many models.
Auxiliary Input:
Not available from factory.
Oil Change Interval:
Every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions.
Oil Type 320I 325I:
API SF/SG, SAE 15W-40 or 20W-50 recommended. Synthetic 5W-40 or 10W-40 also suitable.
Oil Capacity 320I:
4.5 Liters (4.8 US Quarts) with filter change
Oil Capacity 325I:
4.5 Liters (4.8 US Quarts) with filter change
Service Intervals Filters
Air Filter Part Number Example:
e.g., Mann-Filter C 2517
Oil Filter Part Number Example:
e.g., Mann-Filter W917, Mahle OC 71
Service Intervals Maintenance
Spark Plug Replacement Interval:
Every 30,000 miles (48,000 km)
Coolant Type:
Ethylene Glycol based antifreeze, typically blue or green
Common Problem Cooling System:
Plastic coolant expansion tank can become brittle and crack; metal radiator may develop leaks.
Common Problem Fuel System:
Fuel pump relay failure; injector seals can degrade.
Common Problem Suspension:
Worn control arm bushings, trailing arm bushings, and sway bar links are common, affecting handling.
Common Problem Electrical:
Corrosion in electrical connectors, failure of odometer/tachometer gear, fuel level sender unit issues.
Common Problem Rust:
Prone to rust in common areas like wheel arches, rocker panels, battery tray, and rear shock towers.
Bmw Legacy:
BMW, Bayerische Motoren Werke AG, known for performance and luxury automobiles since its founding in 1916.
E30 Introduction:
Introduced in 1982 as the successor to the E21 3 Series, the E30 platform marked a significant evolution in BMW's compact executive segment.
E30 Design:
Designed by Claus Luthe, featuring a more modern and aerodynamic design compared to its predecessor.
E30 Variants:
Evolved through various body styles including 2-door sedan, 4-door sedan, convertible, and the rare Touring (wagon).
E30 Facelift:
Received a significant facelift in late 1987/early 1988, with revised bumpers (larger plastic 'diving boards'), updated interior trim, and improved aerodynamics.
Production Years E30:
1982-1994 (with significant overlap for different markets and variants)
Manufacturing Locations:
Primarily Germany (Munich, Dingolfing), with some assembly in other global locations.
E30 General Reputation:
Widely praised by automotive journalists and enthusiasts for its driving dynamics and durability, earning it iconic status.
Car And Driver Ten Best:
While the E30 generation didn't consistently appear on Car and Driver's 10 Best Lists (that started being tracked more formally in the mid-80s), its predecessor and successor were frequent recipients, highlighting BMW's consistent quality.
Owner Satisfaction:
High owner satisfaction generally reported for the E30's driving experience and longevity, though maintenance can be costly if neglected.
