🏷️ Basic Information

Make:

BMW

Model:

128i

Year:

2008

Chassis Code:

E82 (Coupe)

Engine Code:

N52B30

👋 Introduction

Market Position:

The 2008 BMW 128i (E82) represented BMW's entry into the compact premium performance coupe segment, targeting drivers seeking a blend of sporty dynamics, premium interior, and BMW's renowned driving pleasure in a more accessible package than the 3 Series.

Competitors:

Competed against vehicles like the Audi A3, Mercedes-Benz C-Class Coupe (though often a segment above), Infiniti G35 Coupe, and entry-level sports sedans and coupes from other premium manufacturers.

Key Features:

Rear-wheel drive platform, balanced chassis, naturally aspirated inline-six engine, high-quality interior materials, driver-focused cockpit, and signature BMW driving dynamics.

Value Proposition:

This officially licensed service and repair manual software provides authorized procedures and specifications, ensuring accurate and effective maintenance and repair, crucial for preserving the performance and longevity of a premium vehicle like the BMW 128i.

📋 Manual Details

Coverage:

Comprehensive service and repair for the 2008 BMW 128i

Page Count:

Digitally extensive (exact count varies by software version, typically thousands of pages)

Manual Type:

Service and Repair Manual Software

Language:

English

Format:

Software (Digital, likely searchable PDF or dedicated application)

📖 Manual Coverage

Engine:

Complete diagnostics, repair procedures, component specifications, timing, fuel, ignition, cooling, lubrication systems for the N52B30 engine.

Transmission:

Manual and Automatic transmission repair, overhaul, fluid specifications, clutch service, torque converter procedures.

Drivetrain:

Differential, driveshafts, CV joints, wheel bearings, and hub assemblies.

Suspension:

Front and rear suspension systems, shock absorbers, struts, control arms, bushings, springs, alignment specifications.

Brakes:

Brake system diagnostics, rotor and pad replacement, caliper service, ABS system, hydraulic system bleeding, parking brake.

Steering:

Power steering system, steering rack, tie rods, steering column, alignment.

Electrical:

Comprehensive wiring diagrams, electrical component testing, battery, charging system, starter, lighting, power windows, mirrors, seats, and body control modules (BCM).

Climate Control:

HVAC system diagnosis, refrigerant service, blower motor, climate control unit, A/C compressor.

Body And Interior:

Body panel removal and installation, interior trim, door locks, latches, glass, airbags, seat systems.

Diagnostics:

OBD-II diagnostics, trouble code (DTC) interpretation and troubleshooting, live data analysis.

Scheduled Maintenance:

Detailed maintenance schedules, oil change intervals, filter replacement (oil, air, cabin), spark plug replacement, brake fluid flush, coolant flush.

Troubleshooting:

Step-by-step diagnostic procedures for common and complex issues, symptom-based troubleshooting guides.

Repair Procedures:

Detailed instructions for component removal, installation, and repair for all major vehicle systems.

Component Rebuilds:

Overhaul procedures for engines, transmissions, and differentials where applicable.

Wiring Diagrams:

Complete and detailed electrical wiring schematics for all vehicle systems.

Specifications:

Torque specifications, fluid capacities, clearances, and other critical technical data.

Special Tools:

Identification and usage of BMW-specific tools required for certain repairs.

Depth:

Comprehensive from basic fluid changes and filter replacements to advanced engine diagnostics, transmission overhauls, and complex electrical system troubleshooting. Suitable for professional technicians and advanced DIY enthusiasts.

📊 Manual Specifications

File Format:

Digital Software (likely PDF or dedicated application, ensuring searchability and easy navigation).

Print Quality:

High-resolution digital content, optimized for clear viewing on screen or printing of individual sections. Diagrams and schematics are crisp and legible.

Binding Type:

N/A (Digital Software)

Paper Type:

N/A (Digital Software)

⚙️ Engine Specifications

Engine Family:

BMW N52

Engine Type:

Naturally Aspirated Inline-6 Cylinder

Displacement:

3.0 Liters (2996 cc)

Bore X Stroke:

85.0 mm x 88.0 mm

Compression Ratio:

10.7:1

Valve Train:

Double Overhead Camshafts (DOHC), 4 valves per cylinder, VANOS (Variable Valve Timing), VALVETRONIC (Variable Valve Lift)

Horsepower:

230 hp @ 6500 rpm

Torque:

200 lb-ft @ 2750 rpm

Fuel Delivery:

Sequential Electronic Fuel Injection (SEFI), port injection.

Fuel Type:

Premium Unleaded Gasoline (91 AKI or higher recommended)

Coolant Type:

BMW Blue Antifreeze/Coolant (G48 specification) or equivalent.

Oil Type:

BMW Longlife-01 (LL-01) or BMW Longlife-01 FE (LL-01 FE) approved synthetic oil, typically 0W-30 or 5W-30.

Oil Capacity:

Approximately 6.5 quarts (6.2 liters) with filter change.

🔧 Transmission

Transmission Type:

6-Speed Manual (Getrag GS6-17BG)

Transmission Type:

6-Speed Steptronic Automatic with Adaptive Transmission Control (ATC)

Automatic Features:

Manual shift mode via selector lever or paddle shifters (if equipped with sport package).

Automatic Transmission Fluid:

BMW ATF JWS 3309 (Mobil LT 71141) or equivalent approved fluid. Consult manual for specific fill quantities and change intervals.

Manual Transmission Fluid:

BMW Manual Transmission Fluid (MTF) LT-3 (P/N 8322 7533519) or equivalent approved fluid.

📐 Dimensions

Length:

169.1 inches (4295 mm)

Width:

69.5 inches (1765 mm)

Height:

55.7 inches (1415 mm)

Wheelbase:

104.7 inches (2659 mm)

Curb Weight:

Approximately 3350 - 3450 lbs (1520 - 1565 kg), varies by transmission and options.

🛡️ Safety Features

NHTSA Front Impact:

5-Star (for comparable models/years)

IIHS Side Impact:

Good (for comparable models/years)

Traction Control:

Dynamic Traction Control (DTC) / Dynamic Stability Control (DSC)

Braking Features:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist.

Airbags:

Front dual-stage 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.

💡 Technology Features

Infotainment System:

iDrive infotainment system (first generation, CIC or CCC depending on build date and options) controlling audio, navigation, climate, and vehicle settings.

Audio Options:

Standard 6-speaker audio system, optional Harman Kardon surround sound system.

Parking Assistance:

Optional rear parking sensors (Park Distance Control - PDC).

Connectivity Options:

Optional Bluetooth connectivity for hands-free calling and audio streaming. Optional SiriusXM satellite radio.

🔧 Maintenance

Oil Change Interval:

BMW Condition Based Service (CBS) system typically recommends oil changes between 10,000-15,000 miles (16,000-24,000 km) or annually, depending on driving conditions. Consult the manual for specific CBS reset procedures.

Brake Fluid Change:

Every 2 years, regardless of mileage.

Engine Air Filter:

Recommended every 30,000 miles (48,000 km) or as indicated by CBS.

Cabin Air Filter:

Recommended every 15,000 miles (24,000 km) or annually.

Spark Plugs:

Recommended every 60,000 miles (96,000 km) for OEM plugs (e.g., NGK SILZKR7C11S).

Engine Coolant:

BMW Blue Antifreeze/Coolant (G48 specification) mixed 50/50 with distilled water.

Power Steering Fluid:

Pentosin CHF 11S or CHF 202 (Green fluid). Check reservoir cap for confirmation. **Crucial not to mix with other types.**

Cooling System:

Water pump and thermostat failure can occur, often leading to coolant leaks and overheating. Plastic expansion tanks can become brittle.

Valve Cover Gasket:

Oil leaks from the valve cover gasket are common due to aging seals.

Oil Pan Gasket:

Leaking oil pan gasket, especially rear main seal, can occur.

Vacuum Lines:

Cracked or degraded vacuum hoses can lead to vacuum leaks and rough idle.

Electric Water Pump:

The N52 utilizes an electric water pump, which can fail without warning, necessitating replacement.

📚 Vehicle History

Brand Heritage:

BMW, Bayerische Motoren Werke AG, is a German luxury vehicle, motorcycle, and engine manufacturer founded in 1916. Known for 'The Ultimate Driving Machine' slogan, BMW has a long-standing reputation for performance, engineering, and driver engagement.

Model Evolution:

The 1 Series was introduced as BMW's compact executive model. The E82 coupe generation, launched for the 2008 model year, was a significant expansion, offering a sportier, two-door variant of the 1 Series platform, distinguishing itself with its compact proportions and RWD bias.

Production Years:

2008-2013 (E82 Coupe)

Manufacturing Locations:

Primarily manufactured at BMW's Leipzig plant in Germany.

🏆 Awards & Recognition

Recog Award Type:

While specific awards for the 2008 128i coupe are less prominent than for broader BMW models, the 1 Series platform consistently received praise for its driving dynamics and build quality, earning it a strong reputation in the compact luxury segment.

Rating Source:

Consumer Reports and similar automotive publications often rated BMW vehicles highly for reliability and owner satisfaction, though specific model year reliability can vary. The N52 engine generally exhibited good reliability with proper maintenance.