🏷️ Basic Information

Make:

BMW

Model:

135i

Model Year:

2010

Chassis Code:

E82 (Coupe), E88 (Convertible)

👋 Introduction

Market Position:

The 2010 BMW 135i represented BMW's entry into the compact performance coupe and convertible segment, targeting enthusiasts seeking a balance of sporty driving dynamics and premium features in a smaller, more accessible package compared to the 3 Series.

Competitive Analysis:

Competed with vehicles like the Audi A3, Infiniti G37 Coupe, and certain Mercedes-Benz C-Class variants. It stood out with its powerful N54 engine and RWD platform, offering a more traditional sports car feel.

Key Features:

Iconic N54 twin-turbocharged inline-6 engine, rear-wheel drive dynamics, compact dimensions, premium interior appointments, available M Sport package, driver-focused cockpit.

📋 Manual Details

Engine:

3.0L Twin-Turbocharged Inline-6 (N54B30)

Transmission:

6-Speed Manual, 6-Speed Automatic (with Steptronic)

Drivetrain:

Rear-Wheel Drive (RWD)

Body Styles:

Coupe (E82), Convertible (E88)

Estimated Page Count:

1500-2000+

Manual Type:

Official Service and Repair Manual Software

Language:

English

Format:

Software (Digital Download)

📖 Manual Coverage

Powertrain:

Engine mechanical, fuel injection, ignition system, cooling system, lubrication, exhaust system, turbocharging system, engine management (DME).

Transmission Drivetrain:

Manual and automatic transmission systems, clutch, driveshafts, differential, axles, propshaft, universal joints.

Chassis Suspension:

Front and rear suspension systems (McPherson struts, multi-link), steering system, wheel alignment specifications.

Brakes:

Hydraulic brake system, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake pad and rotor replacement, brake fluid specifications.

Electrical Electronics:

12V battery system, charging system (alternator), starting system, lighting system, wiring diagrams, fuses and relays, Body Control Module (BCM), infotainment system, instrument cluster, diagnostic connectors (OBD-II).

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant types, component testing.

Body Interior:

Body panel removal and installation, door mechanisms, interior trim, seats, airbags, convertible top systems (if applicable).

Maintenance:

Scheduled maintenance intervals, oil change procedures, filter replacements (oil, air, cabin), spark plug replacement, brake fluid flush, coolant flush.

Diagnostics Troubleshooting:

Diagnostic trouble codes (DTCs) with explanations and diagnostic flowcharts, step-by-step troubleshooting for common issues.

Repair Rebuild:

Detailed disassembly and reassembly procedures for major components (engine, transmission, suspension, brakes, steering), component testing and calibration.

Technical Specifications:

Torque specifications for fasteners, fluid capacities, engine data, performance specifications, dimensions, electrical system data.

Depth:

Comprehensive, covering basic to advanced diagnostics and repairs. Suitable for professional technicians and experienced DIY enthusiasts.

📊 Manual Specifications

File Format:

Executable software or PDF within a secure platform.

Print Quality:

N/A (Digital Format) - High-resolution diagrams and text for screen viewing and potential printing of sections.

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code:

N54B30

Engine Type:

3.0L Inline-6, Twin-Turbocharged (Sequential Turbocharging)

Displacement:

2979 cc (181.8 cu in)

Bore X Stroke:

84.0 mm x 90.0 mm

Compression Ratio:

10.2:1

Horsepower:

300 hp @ 5800 rpm

Torque:

300 lb-ft @ 1400 rpm (with overboost 320 lb-ft)

Fuel Delivery:

High-pressure direct injection (piezo injectors)

Fuel Type:

Premium Unleaded Gasoline (91 Octane or higher recommended)

Ignition System:

Coil-on-plug ignition with iridium spark plugs

🔧 Transmission

Transmission Type:

6-Speed Manual (Getrag GS6-37BZ)

Transmission Type:

6-Speed Automatic with Steptronic (ZF 6HP19TU)

Clutch:

Hydraulically actuated single-plate dry clutch (manual transmission)

Differential:

Limited-Slip Differential (LSD) available as an option or part of M Sport Package

📐 Dimensions

Coupe Length:

173.1 inches (4397 mm)

Coupe Width:

69.9 inches (1775 mm)

Coupe Height:

54.6 inches (1388 mm)

Convertible Length:

173.1 inches (4397 mm)

Convertible Width:

69.9 inches (1775 mm)

Convertible Height:

54.6 inches (1388 mm)

Wheelbase:

104.7 inches (2659 mm)

Front Legroom:

41.7 inches (1059 mm)

Rear Legroom:

31.1 inches (790 mm)

Coupe Trunk Volume:

12.0 cu ft (339 L)

Convertible Trunk Volume:

8.8 cu ft (249 L) with top down / 11.0 cu ft (312 L) with top up

Curb Weight Manual Coupe:

3400 lbs (1542 kg)

Curb Weight Auto Coupe:

3450 lbs (1565 kg)

Curb Weight Manual Convertible:

3737 lbs (1695 kg)

Curb Weight Auto Convertible:

3792 lbs (1720 kg)

🛡️ Safety Features

NHTSA Front Impact Driver:

5-Star (2010 Coupe)

NHTSA Front Impact Passenger:

5-Star (2010 Coupe)

IIHS Front Crashworthiness:

Good (2010 Coupe)

Active Safety:

Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Anti-lock Braking System (ABS), Cornering Brake Control (CBC), Electronic Brake-force Distribution (EBD), Brake Assist.

Passive Safety:

Front airbags, front side-impact airbags, rollover protection system (convertible), front seatbelt pretensioners, active head restraints.

💡 Technology Features

Infotainment System:

BMW iDrive system (CCC or CIC depending on options), available professional navigation, CD player, auxiliary audio input, optional satellite radio and USB integration.

Driver Assistance:

Park Distance Control (PDC), Xenon Adaptive Headlights, Rain-sensing wipers and Automatic headlight control.

Connectivity:

Bluetooth hands-free calling and audio streaming (if equipped), optional USB adapter for music playback.

🔧 Maintenance

Oil Change Interval:

Condition-based service (CBS), typically around 10,000-15,000 miles or 12-24 months, depending on driving conditions. Manual recommends monitoring CBS indicators.

Brake Fluid Change:

Every 2 years, regardless of mileage.

Spark Plug Replacement:

Typically every 60,000 miles for iridium spark plugs. Consult manual for exact interval based on CBS.

Cabin Air Filter:

Every 15,000-30,000 miles or annually, depending on conditions and CBS.

Engine Oil:

BMW Longlife-01 (LL-01) approved synthetic oil, typically 5W-30 or 0W-40. Check owner's manual for exact viscosity recommendation for your climate.

Engine Oil Capacity:

Approximately 6.5 quarts (6.2 liters) with filter change.

Coolant:

BMW Blue Antifreeze/Coolant (G48), 50/50 mixture with distilled water.

Brake Fluid:

DOT 4 LV (Low Viscosity) or DOT 4 approved.

Transmission Fluid Manual:

BMW MTF LT-3 or equivalent high-quality synthetic manual transmission fluid.

Transmission Fluid Automatic:

ZF Lifeguardfluid 6 or equivalent ATF for ZF 6HP19TU.

Known Issues:

High-pressure fuel pump (HPFP) failures, turbocharger wastegate rattle, vacuum leaks, ignition coil failures, injector issues (early N54), oil pan gasket leaks, water pump/thermostat failures.

📚 Vehicle History

Brand Heritage:

BMW, a brand synonymous with 'The Ultimate Driving Machine', boasts a long history of producing sporty, engaging vehicles with a focus on driver involvement and performance engineering.

Model Evolution:

The 1 Series, launched in 2004 globally, was BMW's first compact executive car. The 135i variant, introduced in 2007 (for the 2008 model year), slotted in as the high-performance model, utilizing the potent N54 twin-turbo engine previously found in the 335i. The E82 Coupe and E88 Convertible generation spanned from 2007 to 2013.

Production Period:

2007-2013 (E82/E88 generation)

Manufacturing Locations:

Germany (Leipzig plant), South Africa (Rosslyn plant)

🏆 Awards & Recognition

Recognitions:

While specific awards for the 2010 model year are not extensively documented, the N54 engine itself received multiple 'Ward's 10 Best Engines' awards in preceding years, highlighting its performance and technology.