🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E30 Specific Model Variant: 328i Codes Engine Codes Covered: M20B27 (2.7L Inline-6) 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, and owners seeking in-depth knowledge of their E30 328i. Competitive Analysis Differentiation: Emphasizes completeness, with no missing pages, contrasting with often incomplete or low-quality digital manuals available elsewhere. Key Features Completeness Guarantee: Guaranteed complete manual with no missing pages, ensuring all necessary technical information is present. Customer Satisfaction: Customer satisfaction guaranteed, indicating a commitment to providing a high-quality product. 📋 Manual Details Coverage Areas Languages: English Page Count Estimated Page Count: 800+ Manual Type Type: Service and Repair Workshop Manual Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (M20B27), Fuel System, Exhaust System, Cooling System, Lubrication System Transmission: Manual and Automatic Transmission Overhaul and Repair Drivetrain: Driveshafts, Differential, Rear Axle Suspension Steering: Front and Rear Suspension Components, Steering Gear, Power Steering System Brakes: Front and Rear Brake Systems (Disc), ABS (if equipped), Parking Brake Electrical Electronics: Starting System, Charging System, Ignition System, Lighting, Instrumentation, Wiper/Washer System, Power Windows, Central Locking Body Chassis: Body Structure, Doors, Hood, Trunk, Bumpers, Seats, Interior Trim Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Top-offs, Spark Plug Replacement Repair Overhaul: Engine Rebuild Procedures, Transmission Overhaul, Differential Repair, Brake Component Replacement, Suspension Component Replacement Diagnostics: Troubleshooting Charts, Fault Finding Procedures for Electrical and Mechanical Systems Adjustments: Valve Clearance Adjustments, Carburetor/Fuel Injection Adjustments (if applicable), Idle Speed Adjustments Technical Depth Depth: Comprehensive: Covers basic maintenance through to full engine and transmission rebuilds, including detailed electrical diagrams and troubleshooting. 📊 Manual Specifications File Format Digital Format Quality: High-resolution scans, likely text-searchable if OCR'd. Assumed to be in PDF format. Print Quality Print Quality: N/A (Digital Product) Binding Type Binding: N/A (Digital Product) Paper Type Paper Type: N/A (Digital Product) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder (M20B27) Displacement: 2693 cc (2.7 Liters) Bore X Stroke: 84.0 mm x 81.0 mm Compression Ratio: 8.5:1 (typical for 328i application) Valve Train: SOHC (Single Overhead Camshaft), 2 valves per cylinder Performance Horsepower: 121 hp (approximate DIN) @ 4800 rpm Torque: 230 Nm (approximate DIN) @ 3700 rpm Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection (specific system dependent on market and exact model year) Fuel Type: Unleaded Gasoline (Octane Rating 91 RON or higher recommended) Engine Management Ignition System: Distributorless ignition (on later models) or distributor-based electronic ignition 🔧 Transmission Standard Type: Getrag 260 5-speed Manual Transmission Optional Type: ZF 4HP22 4-speed Automatic Transmission Features Clutch Type: Hydraulically operated single dry plate clutch Fluid Specifications Manual Transmission Fluid: BMW ATF Dexron II or equivalent (e.g., Pentosin). Automatic Transmission Fluid: BMW ATF Dexron II or equivalent (e.g., Pentosin). 📐 Dimensions Exterior Length: 4325 mm (170.3 in) Width: 1675 mm (65.9 in) Height: 1380 mm (54.3 in) Wheelbase: 2570 mm (101.2 in) Weights Curb Weight: 1250-1350 kg (approximate, depending on options) 🛡️ Safety Features Ratings Era Safety Standards: Met contemporary safety standards, but lacks modern active safety features. Active Features ABS: Optional Anti-lock Braking System (ABS) Passive Features Seatbelts: 3-point seatbelts with front pre-tensioners (depending on year/market) Structure: Reinforced safety cage, crumple zones 💡 Technology Features Infotainment Audio System: Factory fitted AM/FM radio with cassette player, optional premium sound systems. Driver Assistance Cruise Control: Optional cruise control system. Connectivity Connectivity Features: Limited by era; basic diagnostics via OBD-I port (if equipped). 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 - 15,000 km (6,000 - 9,000 miles) or annually. Spark Plug Replacement: Approximately every 40,000 - 60,000 km (25,000 - 37,000 miles). Coolant Flush: Every 2-3 years or 40,000 - 60,000 km. Fluid Specifications Engine Oil Type: API SG or higher, SAE 5W-30, 10W-40, or 15W-40 (depending on ambient temperature). Refer to manual for exact specification. BMW High Performance Synthetic Oil recommended. Engine Oil Capacity: Approx. 4.25 Liters (4.5 US Quarts) with filter. Coolant Type: BMW Antifreeze/Coolant (or equivalent ethylene glycol-based coolant with corrosion inhibitors). Typically a 50/50 mix with distilled water. Brake Fluid Type: DOT 3 or DOT 4 brake fluid. Known Issues Engine: Head gasket leaks, oil leaks from valve cover and oil pan, timing belt tensioner wear, idle control valve issues. Cooling System: Cracked plastic radiator end tanks, failing water pump, thermostat housing leaks. Suspension Steering: Worn control arm bushings, worn ball joints, worn tie rod ends, steering coupler wear. Electrical: Corroded wiring harnesses, failing fuel pump relay, dashboard warning light issues, AFM (Air Flow Meter) sensor issues. Body: Rust, particularly in wheel wells, rocker panels, and around the sunroof. 📚 Vehicle History Brand Heritage Bmw Legacy: BMW's reputation for sporty driving dynamics and engineering excellence established during this era. Model Evolution E30 Generation: The E30 represented a significant evolution for the...