Market Segment:
Premium Compact Executive Sedan/Coupe
Target Audience:
Enthusiasts, DIY mechanics, professional workshops working on E30 models
Competitors:
Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75
Vehicle Focus:
Exceptional handling, driver engagement, robust engineering
Manual Value:
Empowers owners/technicians with in-depth knowledge for proper maintenance and repair, saving time and money
Primary Coverage:
Workshop Service & Repair
Secondary Coverage:
Maintenance, Troubleshooting, Diagnostics, Overhaul
Estimated Page Count:
500+
Type:
Professional Workshop Manual
Format:
Downloadable Digital Format (PDF likely)
Powertrain:
Engine (M20B25), Fuel System, Cooling System, Lubrication System, Exhaust System
Drivetrain:
Transmission (Manual/Automatic), Clutch, Drive Shafts, Differential, Axles
Chassis:
Suspension (Front/Rear), Steering System, Braking System, Wheels and Tires
Electrical:
Engine Control Unit (ECU), Ignition System, Lighting System, Instrumentation, Power Accessories, Battery and Charging System
Body:
Body Panels, Doors, Hood, Trunk, Glass, Interior Trim
Maintenance:
Oil Changes, Filter Replacements, Spark Plug Service, Fluid Checks and Replacements, Belt Adjustments
Repair:
Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Replacement
Troubleshooting:
Diagnostic Charts, Symptom-Based Troubleshooting Guides, Fault Code Interpretation
Diagnostics:
Component Testing, Electrical System Tracing, Mechanical System Checks
Depth:
Comprehensive (from basic maintenance to complete engine/transmission rebuilds)
Detail Level:
Step-by-step instructions with detailed diagrams and illustrations
Special Tools:
Identification and usage of specialized BMW tools required for specific procedures
Engine Type:
Inline 6-cylinder, Naturally Aspirated
Displacement:
2.5 Liters (2494 cc)
Bore X Stroke:
84.0 mm x 75.0 mm
Compression Ratio:
8.8:1 (typical)
Valvetrain:
SOHC (Single Overhead Camshaft), 2 valves per cylinder
Horsepower:
168-171 hp @ 5,800 rpm (approx.)
Torque:
164-167 lb-ft @ 4,750 rpm (approx.)
Injection System:
Bosch Motronic Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (Premium Recommended)
Transmission Type:
Getrag 260 5-Speed Manual Transmission
Transmission Type:
ZF 4HP22 4-Speed Automatic Transmission
Manual Gear Ratios:
3.72 / 2.04 / 1.32 / 1.00 / 0.81 (typical, subject to change)
Automatic Features:
Lock-up torque converter for improved efficiency
Manual Transmission Fluid:
BMW ATF LT-2 or equivalent (e.g., Dexron II)
Automatic Transmission Fluid:
BMW ATF LT-2 or equivalent (e.g., Dexron II)
Wheelbase:
100.4 inches (2550 mm)
Length:
170.5 inches (4331 mm)
Width:
65.3 inches (1659 mm)
Height:
54.7 inches (1390 mm)
Curb Weight:
2,900 - 3,100 lbs (approx., depending on body style and options)
Gross Vehicle Weight Rating:
N/A (specified in vehicle VIN plate)
Crash Test Results:
NHTSA ratings from the era were generally good, focusing on structural integrity and occupant protection. Specific detailed ratings may vary by year and testing protocols.
Braking System:
Four-wheel disc brakes (ventilated front, solid rear)
ABS:
Anti-lock Braking System (ABS) optional or standard on later models
Airbags:
Driver airbag optional on early models, standard on later models
Seat Belts:
Three-point inertia-reel seat belts
Chassis Design:
Reinforced safety cage and crumple zones
Audio System:
Factory fitted radio/cassette players (e.g., Bavaria C, RDS variants), optional CD players on later models
Speakers:
Typically 4-6 speakers
ABS:
Available as an option, providing enhanced braking control
Climate Control:
Manual climate control standard, optional automatic climate control on higher trims
Power Features:
Power windows, power mirrors, power sunroof (optional)
Oil Change Interval:
Every 5,000 - 7,500 miles or 6-12 months (synthetic oil recommended)
Coolant Flush Interval:
Every 2 years or 30,000 miles
Spark Plug Replacement:
Every 30,000 - 60,000 miles (depending on plug type)
Timing Belt Replacement:
Every 60,000 miles or 5 years (crucial for M20 engine)
Engine Oil Capacity:
5.0 - 5.5 Liters (with filter, approx.)
Engine Oil Type:
API SG or higher, SAE 10W-40 or 15W-50 recommended (check owner's manual for specific climate recommendations)
Coolant Type:
BMW Blue Antifreeze/Coolant or equivalent (50/50 mix with distilled water)
Brake Fluid Type:
DOT 3 or DOT 4
Common Problems:
Cooling system leaks (cracked plastic expansion tank, hoses), heater core issues, fuel distributor leaks (L-Jetronic), oil leaks (valve cover gasket, oil pan gasket), wear on suspension bushings, alternator bearing failure, ABS sensor failures.
Preventative Maintenance:
Regular inspection of hoses and rubber components, timely replacement of the timing belt, thorough cooling system service.
Bmw Philosophy:
Sheer Driving Pleasure, performance, luxury, and advanced engineering
E30 Generation:
Second generation of the BMW 3 Series, replacing the E21 and preceding the E36. Known for its iconic design and driving dynamics.
E30 Variants:
Sedan, Coupe, Convertible, Touring (Wagon - limited production), M3 variant
Production Years:
1982-1994 (Global)
Manufacturing Locations:
Germany, South Africa, USA (CKD)
Automotive Press Awards:
Consistently praised by automotive press for its driving dynamics, build quality, and timeless design.
User Reviews:
Highly regarded by owners for reliability when properly maintained, and cherished for its engaging driving experience.
Manual Quality Assurance:
Indicated as 'Top Quality Professional' and 'same as the manuals given to official dealers Workshops'.
