🏷️ Basic Information Identification Make: BMW Model: 135i Coupe Year: 2010 Trim: 135i Coupe (with iDrive) Body Style: Coupe Codes Chassis Code: E82 👋 Introduction Market Position Segment: Compact premium sports coupe Philosophy: BMW's 'Ultimate Driving Machine' ethos applied to a compact, RWD platform. Competitive Analysis Key Competitors: Infiniti G37 Coupe, Audi A3/A5 (depending on market and configuration), Mercedes-Benz C-Class Coupe Key Features Powertrain Emphasis: Powerful turbocharged inline-six engine, rear-wheel drive bias Handling: Sport-tuned suspension, balanced chassis, often praised for driving dynamics Idrive Integration: Centralized control system for infotainment, navigation, and vehicle settings. 📋 Manual Details Coverage Areas Languages: English Markets Covered: North America (primarily, but information is generally applicable globally) Page Count Estimated Pages: Approximately 200-300 pages (typical for an owner's manual of this era) Manual Type Type: Owner's Manual Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine operation, cooling system, fuel system, exhaust system, lubrication system Drivetrain: Transmission (manual/automatic), differential, drive shafts Brakes: Brake system operation, parking brake, ABS, DSC Suspension Steering: Suspension components, steering system operation Electrical: Battery, lighting, fuses, electrical accessories, iDrive system Body Interior: Doors, windows, seats, climate control, interior features, body panels Safety Security: Airbags, seat belts, child restraint systems, alarm system, central locking Infotainment: iDrive system operation, audio system, navigation (if equipped), Bluetooth connectivity Procedures Included Operation: Starting and driving, parking, fuel filling, using controls and indicators Maintenance: Fluid level checks, tire pressure checks, wiper blade replacement, bulb replacement Troubleshooting: Warning lights and messages, basic problem diagnosis Emergency: Tire changing, jump starting, breakdown procedures Technical Depth Depth: Owner-level operation, maintenance, and basic troubleshooting. Does not include detailed repair procedures or diagnostic codes. 📊 Manual Specifications File Format Quality: High-resolution PDF, optimized for digital viewing and printing Searchable: Yes, text-searchable PDF for quick information retrieval Print Quality Printability: Printable pages Binding Type Digital: N/A (Digital Download) Paper Type Digital: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: N54B30 Configuration: 3.0L Twin-Turbocharged Inline-6 Performance Horsepower: 300 hp @ 5800-6000 rpm Torque: 300 lb-ft @ 1300-5000 rpm Redline: Approximately 7000 rpm Fuel System Injection Type: Direct Injection (High-Pressure) Fuel Requirement: Premium Unleaded Gasoline (91 Octane or higher recommended) Cooling System Coolant Type: BMW Blue Antifreeze (G48) or equivalent 🔧 Transmission Standard Type: 6-Speed Manual Transmission Optional Type: 6-Speed Steptronic Automatic Transmission with Paddle Shifters Features Rear Differential: Limited-Slip Differential (often standard or optional on 135i) Fluid Specifications Manual Transmission Fluid: Refer to manual for specific BMW part numbers and viscosity grades (e.g., ATF Dexron III or equivalent for some models, specialized MTF for others). Automatic Transmission Fluid: BMW ETL-7045E or equivalent for Steptronic (requires specialized BMW fluid, not generic ATF). 📐 Dimensions Exterior Length: Approx. 168.6 inches (4283 mm) Width: Approx. 69.9 inches (1776 mm) Height: Approx. 55.4 inches (1408 mm) Wheelbase: Approx. 104.7 inches (2659 mm) Weights Curb Weight: Approx. 3500-3600 lbs (1588-1633 kg), depending on transmission and options 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for the 1-Series Coupe platform) IIHS Top Safety Pick: Yes (for the 1-Series Coupe platform) Active Features Stability Control: Dynamic Stability Control (DSC) with Traction Control Braking Assist: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist Passive Features Airbags: Frontal airbags, front side-impact airbags, front and rear head protection system (curtain airbags) Seat Belts: Three-point inertia-reel seat belts with pretensioners and force limiters Child Restraints: LATCH (Lower Anchors and Tethers for Children) system for rear seats 💡 Technology Features Infotainment System Name: iDrive (CCC or CIC depending on specific build date/options) Display Type: Central LCD display controlled via iDrive controller and buttons. Audio System: Standard BMW Professional Radio with CD player, optional Harman Kardon surround sound system. Driver Assistance Parking Assistance: Optional Park Distance Control (PDC) front and rear. Lighting Features: Optional Xenon Adaptive Headlights. Connectivity Bluetooth: Standard or optional Bluetooth hands-free interface with USB audio integration. Navigation: Optional Professional Navigation System (CCC or CIC). 🔧 Maintenance Service Intervals Oil Change Interval: Condition-based service (CBS) system, typically around 10,000-15,000 miles or annually. Brake Fluid Change: Every 2 years, regardless of mileage. Spark Plug Replacement: Approximately 60,000 miles for N54 engine (verify with CBS). Fluid Specifications Engine Oil Specification: BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) approved synthetic oil, typically 5W-30 or 0W-40. Engine Oil Capacity: Approx. 6.5 quarts (6.2 liters) with filter change (verify in manual). Coolant Capacity: Approx. 8.0 quarts (7.5 liters). Power Steering Fluid: BMW Power Steering Fluid (CHF 11 S or equivalent - check specific system) Known Issues Common Problems: High-pressure fuel pump (HPFP) issues, turbocharger wastegate rattle, ignition coil failures, injector problems, oil filter housing gasket leaks, water pump failures (electric on later models, but mechanical on early E82). Maintenance Considerations: The N54 engine requires diligent maintenance due to its twin-turbocharged nature; regular oil changes with the correct specification oil are critical. Monitor for early signs of...