🏷️ Basic Information Identification Make: BMW Model: 335is Year: 2012 Codes Chassis Code: E92 (Coupe) / E93 (Convertible) Engine Code: N54B30TO (Twin-Turbocharged) 👋 Introduction Market Position Vehicle Segment: Compact Executive Sports Coupe/Convertible Target Audience: Enthusiasts seeking a performance-oriented luxury vehicle with significant DIY repair potential Competitive Analysis Key Competitors: Audi A5, Mercedes-Benz C-Class Coupe/Convertible, Infiniti G37 Coupe/Convertible, Lexus IS Convertible Key Features Performance Focus: Emphasis on the 'is' model's enhanced performance over standard 335i variants Diy Support: Comprehensive guidance for owners who prefer to perform their own maintenance and repairs 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Software Language: English Format: Digital (Software) Primary Coverage: Maintenance, Repair, Diagnostics, Troubleshooting Page Count Estimated Page Count: 1000+ 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, component replacement (pistons, rods, crankshaft, camshafts, valves, seals, gaskets) Engine Electrical: Ignition system, fuel injection system, sensor diagnostics, ECU mapping, starter, alternator Turbocharging System: Twin-turbocharger system, intercooler, wastegates, boost pressure control, diagnostic procedures Fuel System: High-pressure fuel pump, injectors, fuel lines, fuel tank, fuel pressure testing Cooling System: Radiator, water pump, thermostat, coolant hoses, expansion tank, bleeding procedures Exhaust System: Catalytic converters, mufflers, exhaust manifold, oxygen sensors, leak detection Transmission Manual: Clutch, gearbox overhaul, shift mechanism, fluid changes, component replacement Transmission Automatic: DCT (Dual Clutch Transmission) service, fluid changes, mechatronics unit diagnostics, torque converter Drivetrain: Driveshafts, differential, CV joints, U-joints, wheel bearings Suspension: Struts, shocks, springs, control arms, bushings, alignment procedures, M Sport suspension Steering: Power steering system, steering rack, tie rods, steering column, electric power steering (EPS) diagnostics Brakes: Brake pads, rotors, calipers, brake lines, ABS system, DSC (Dynamic Stability Control), brake fluid flushing Electrical System Chassis: Lighting, power windows, locks, mirrors, wipers, horn, interior electronics Body And Interior: Body panel removal/installation, door mechanisms, seat adjustments, trim pieces, convertible top mechanism (E93) HVAC System: Air conditioning, heating, climate control module, blower motor, refrigerant service Safety Systems: Airbag system, seatbelt pre-tensioners, SRS module diagnostics Infotainment System: iDrive system, navigation, audio, Bluetooth connectivity, wiring diagrams Procedures Included Preventative Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection Troubleshooting Diagnostics: Fault code interpretation, symptom-based troubleshooting, component testing, wiring diagrams Component Replacement: Detailed step-by-step instructions for replacing virtually all mechanical and electrical components Engine Rebuilding: Full engine disassembly, inspection, and reassembly procedures with torque specifications Transmission Service: Fluid changes, filter replacements, seal replacement, clutch component replacement Brake System Service: Pad and rotor replacement, caliper service, brake line replacement, bleeding procedures Suspension Alignment: Adjustment procedures for camber, caster, and toe angles, specific to the 335is model Electrical Component Testing: Testing of sensors, actuators, control modules, and wiring harnesses Software Updates Coding: Information on software updates for various modules (where applicable and generally achievable with advanced tools) Technical Depth Diagnostics Level: Advanced diagnostics, including use of diagnostic scan tools (e.g., ISTA/D - information on common codes and modules) Repair Procedures: Detailed, step-by-step instructions for a wide range of repairs, from minor adjustments to major overhauls Torque Specifications: Comprehensive list of all critical torque specifications for fasteners throughout the vehicle Wiring Diagrams: Detailed electrical wiring diagrams for all major systems Exploded Views: Illustrations and exploded views of various components and assemblies for clarity 📊 Manual Specifications File Format Software Type: Proprietary Software / Digital Manual Accessibility: Searchable text, hyperlinked sections Print Quality: N/A (Digital - printable pages) Binding Type: N/A (Digital) Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Name: N54B30TO (3.0L Twin-Turbocharged Inline-6) Displacement: 2979 cc (3.0 Liters) Performance Horsepower: 320 hp @ 5800 rpm (10 hp more than standard 335i) Torque: 330 lb-ft @ 1300-5000 rpm (with overboost to 370 lb-ft) Fuel System Induction: Twin-Turbocharged (Parallel Turbochargers) Fuel Delivery: Direct Injection (High-Pressure Fuel System) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Management ECU: Bosch DME (Digital Motor Electronics) Emission Controls: Dual Catalytic Converters, Secondary Air Injection System, Positive Crankcase Ventilation (PCV) Maintenance Items Spark Plugs: NGK SILZKFR8E7S (OEM) Oil Filter Part Number: BMW 11 42 7 953 129 🔧 Transmission Standard Type: 7-speed M Double Clutch Transmission (M-DCT) Optional Type: 6-speed Manual Transmission Features M Dct Features: Drivelogic modes, Launch Control, Paddle Shifters Fluid Specifications M Dct Fluid: BMW Drivelogic Fluid (e.g., Pentosin FFL-4 or equivalent) Manual Transmission Fluid: BMW MTF LT-3 or equivalent 📐 Dimensions Exterior Coupe Length: 181.0 inches (4600 mm) Coupe Width: 70.2 inches (1783 mm) Coupe Height: 54.5 inches (1384 mm) Wheelbase: 107.5 inches (2732 mm) Interior Seating Capacity: 4 Cargo Coupe Trunk Volume: 13.0 cubic feet (368 Liters) Weights Curb Weight Manual: 3649 lbs (1655 kg) Curb Weight Dct: 3704 lbs (1680 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for 3 Series Coupe) IIHS Top Safety Pick: Yes (for 3 Series Coupe) Active Features Standard Safety: ABS, DSC (Dynamic Stability Control), Traction Control, Daytime Running Lights Optional Driver...