The BMW E30 platform represented BMW's entry-level luxury sport sedan and coupe market in the 1980s, emphasizing driving dynamics and build quality. The Touring and Convertible variants added versatility and open-air driving pleasure.
Competitive Analysis
Competitors:
Competed with cars like the Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, and Volvo 240 series.
Key Features
Driving Dynamics:
Renowned for its balanced chassis, rear-wheel-drive layout, and engaging driving experience. Excellent weight distribution.
Build Quality:
Solid construction and premium materials were hallmarks of BMW's engineering during this era.
Design:
Iconic Bavarian design language, characterized by clean lines and a driver-focused cockpit.
Approx. 90 hp (316i) to 192 hp (325i), 238 hp (E30 M3 Sport Evolution)
Torque Range:
Approx. 130 Nm to 245 Nm
Fuel System
Fuel Injection:
Bosch L-Jetronic, Bosch Motronic (various versions depending on engine and year)
Fuel Type:
Unleaded Gasoline (Octane rating dependent on engine, typically 91+ RON)
🔧 Transmission
Standard
Manual Transmission:
Getrag 240 (4-speed manual on early 4-cyl), Getrag 260 (5-speed manual on most models, incl. 6-cyl and M3)
Optional
Automatic Transmission:
ZF 4HP22 (4-speed automatic, often found on 325i and Touring variants)
Features
Clutch Type:
Single dry plate, hydraulically actuated
Differential:
Open differential standard, optional Limited-Slip Differential (LSD) available, especially on M3 and some 325i models.
📐 Dimensions
Exterior
Wheelbase:
Approx. 2570 mm (99.1 inches)
Length Touring:
Approx. 4330 mm (170.5 inches)
Length Convertible:
Approx. 4340 mm (170.9 inches)
Width:
Approx. 1680 mm (66.1 inches)
Height Touring:
Approx. 1370 mm (53.9 inches)
Height Convertible:
Approx. 1370 mm (53.9 inches) with top up
Cargo
Cargo Volume Touring:
Significantly larger than sedan/coupe due to wagon design, specific figures vary by configuration and rear seat use.
Weights
Curb Weight Range:
Approx. 1150 kg (2535 lbs) to 1350 kg (2976 lbs) depending on engine and body style.
Wheelbase:
2570 mm (101.2 in)
Track Width Front:
1404 mm (55.3 in)
Track Width Rear:
1434 mm (56.5 in)
Wheel Bolt Pattern:
5x120
Tire Sizes Examples:
185/70HR14, 195/65HR14, 205/55VR15 (depending on model and trim)
🛡️ Safety Features
Ratings
Crash Test Data:
Limited official data available for this era, but generally considered robust for its time. Known for good structural integrity. Rear-impact performance for convertibles is a general concern for the body style.
Active Features
ABS:
Optional on most models, standard on higher-performance variants (e.g., M3, some 325i) later in production.
Traction Control:
Rarely available, typically only on late-model M3s (ASC+T).
Passive Features
Seatbelts:
Three-point inertia reel seatbelts front and rear (on sedans/tourings). Convertible may have different rear belt configurations.
Airbags:
Driver airbag became optional in later years, not standard across the range.
Roll Over Protection:
Convertible models featured strengthened A-pillars and integrated roll-over protection bars for enhanced safety.
💡 Technology Features
Infotainment
Audio System:
Basic AM/FM stereo with cassette player. Optional CD players in later models. Speaker systems varied by trim. Upgrades are common for modern compatibility.
Driver Assistance
Cruise Control:
Optional on many models, typically a vacuum-actuated or electronic system.
Connectivity
Mobile Integration:
No built-in modern connectivity (Bluetooth, USB). Requires aftermarket solutions.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 7,500-10,000 miles (12,000-16,000 km) or 12 months, whichever comes first, using synthetic or semi-synthetic oil.
Coolant Change Interval:
Every 2-3 years or 30,000 miles (50,000 km).
Spark Plug Replacement:
Every 30,000-60,000 miles (50,000-100,000 km), depending on plug type (standard copper vs. platinum/iridium).
Timing Belt Replacement:
N/A for M10 and M20 engines (they use a timing chain). M40/M42/M44 engines use a timing belt and require replacement every 60,000-100,000 miles (100,000-160,000 km) or as per manual recommendation, critical to prevent catastrophic engine failure.
Fluid Specifications
Engine Oil Type:
API SG/SH or higher, SAE 5W-30, 5W-40, 10W-40, or 10W-30 depending on climate. Consult specific engine recommendations in the manual.
Coolant Type:
BMW Blue (G48) or equivalent ethylene glycol-based coolant, mixed 50/50 with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid Type:
CHF 11S or Pentosin PSF-3 (specifically for early models, check manual). Later models may use Dexron III ATF.
Manual Transmission Fluid Type:
API GL-4 or GL-5, SAE 75W-90 or 80W-90 gear oil. Specific BMW part numbers exist.
Automatic Transmission Fluid Type:
Dexron III ATF or equivalent.
Differential Fluid Type:
API GL-5, SAE 75W-90 or 80W-90 gear oil. Limited-slip differentials may require a specific additive or friction modifier.
Known Issues
Coolant Leaks:
Common leaks from radiator, water pump, thermostat housing, and heater core due to age and material degradation.
Oil Leaks:
Valve cover gasket, oil pan gasket, front and rear main seals are common leak points.
Suspension Wear:
Worn control arm bushings, ball joints, tie rod ends, and rear trailing arm bushings can cause poor handling and alignment issues.
Rust:
Areas prone to rust include wheel wells, rocker panels, floor pans, and trunk lid seams. Convertibles may also show rust around the rear window seal and body seams.
Electrical Gremlins:
Degraded wiring insulation, corroded connectors, and failing relays can lead to various electrical problems.
Convertible Top Issues:
Hydraulic leaks, motor failures, and worn seals are common on powered tops. Manual tops can have stiff linkages or worn fabric.
Idle Control:
Idle control valve issues, vacuum leaks, and MAF sensor problems can cause rough idling or stalling.
📚 Vehicle History
Brand Heritage
Bmw Legacy:
BMW's reputation for 'The Ultimate Driving Machine' was cemented with the E30 generation, known for its exceptional handling and performance.
Model Evolution
E30 Development:
The E30 was a significant evolution from the E21, offering a more modern chassis, improved aerodynamics, and a wider range of engine options. The Touring (wagon) variant was introduced in 1987, and the Convertible in 1985.
Touring Significance:
The E30 Touring was BMW's first compact station wagon, a highly successful addition to the line-up that paved the way for future Touring models.
Production
Production Period:
1982-1994 (overall E30, with specific E30 Touring/Convertible production ending around 1991-1993).
Production Locations:
Primarily produced in Germany (Munich, Dingolfing) and South Africa.
Collectibility:
Highly collectible, particularly the M3, Alpina variants, and well-maintained 325i models. The Touring and Convertible models are increasingly sought after.
🏆 Awards & Recognition
Recognitions
Car And Driver 10Best:
The BMW 3 Series (E30) was a frequent recipient of Car and Driver's '10Best' list throughout its production, highlighting its exceptional driving characteristics.
Motor Trend Import Car Of The Year:
While specific years may vary, the E30 platform was highly regarded by automotive publications for its performance and value.
Certifications
Certification Standard:
Produced to meet then-current OEM quality and safety standards. Manual adheres to professional automotive documentation standards.
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