Segment:
Premium Compact Executive Sedan
Brand Perception:
Known for driving dynamics, build quality, and sophisticated engineering.
Key Competitors:
Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35/G37.
Platform:
E90 platform, known for its balanced chassis and rear-wheel-drive bias.
Powertrain Options:
Wide range of inline-four and inline-six petrol and diesel engines, including turbocharged variants.
Driver Focus:
Emphasis on sporty handling, responsive steering, and driver engagement.
Manual Type:
Workshop Service Repair Manual
Coverage Areas:
All models, engines, trims, and transmission types within the specified E90 Saloon range
Format:
Downloadable Digital File (PDF)
Page Count:
Not specified, but described as 'complete' covering A-Z procedures.
Delivery Method:
Instant Email Delivery
Software Requirements:
Adobe Reader (free download)
Print Options:
Printable (individual pages, chapters, or entire manual)
Device Compatibility:
PC, Mac, Tablets, Smartphones
Engine Service:
Maintenance, diagnostics, repair for all E90 petrol and diesel engines (e.g., N43, N52, N54, M54 (early), N47, M47, N57).
Transmission Service:
Service and repair for manual and automatic transmissions, including fluid checks, replacement, and internal component repair.
Drivetrain:
Front/rear axle, driveshafts, differential, and AWD (xDrive) systems.
Suspension:
Front and rear suspension components, steering system, wheel alignment.
Brakes:
Brake system diagnosis and repair, including ABS, DSC, brake pads, rotors, lines, and hydraulic components.
Electrical System:
Comprehensive coverage of the vehicle's electrical system, including battery, alternator, starter, lighting, and fuses.
Electronics:
Diagnosis and repair of electronic control units (ECUs), sensors, actuators, body control modules (BCM), infotainment, and comfort systems.
Climate Control:
HVAC system operation, diagnosis, repair, and refrigerant handling.
Body And Chassis:
Body panel repairs, door mechanisms, interior trim, glass replacement, and structural components.
Safety Systems:
Airbag system diagnosis and repair, seatbelt mechanisms.
Routine Maintenance:
Oil changes, filter replacements, spark plug replacement, fluid level checks, and general inspections.
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon problems, fault code interpretation.
Repair Procedures:
Detailed instructions for component replacement, adjustment, and rebuilding across all vehicle systems.
Component Disassembly Reassembly:
Comprehensive guides for taking apart and putting back together major vehicle components.
Electrical Diagnostics:
Wiring diagrams, circuit testing, component testing for electrical faults.
Engine Rebuild:
Detailed procedures for engine overhaul, including torque specifications and clearances.
Depth:
Expert-level, suitable for professional technicians and advanced DIY mechanics. Covers diagnostics, repair, and component overhaul.
File Format:
Portable Document Format (PDF)
Print Quality:
High-resolution, clear text and images for easy readability and printing.
Searchability:
Likely text-searchable (standard for quality PDFs), allowing quick access to specific topics.
Binding Type:
Not applicable (digital download)
Paper Type:
Not applicable (digital download)
Petrol Engines:
e.g., 320i (N43B20), 323i (N52B25), 325i (N52B30), 328i (N52B30), 330i (N52B30), 335i (N54B30 twin-turbo).
Diesel Engines:
e.g., 318d (N47D20), 320d (N47D20/M47D20), 325d (M57D30), 330d (M57D30), 335d (M57D30 twin-turbo).
Horsepower Range:
Approx. 129 hp (316i) to 306 hp (335i).
Torque Range:
Approx. 200 Nm to 400 Nm.
Injection Type:
High-pressure direct injection (Di) for many petrol and diesel variants, multi-point injection (MPI) for some earlier petrol engines.
ECU System:
Advanced Engine Control Units (ECU) managing fuel, ignition, emissions, and diagnostics.
NHTSA Ratings:
Generally achieved 5-star ratings in frontal and side crash tests for its era.
IIHS Ratings:
Received 'Good' ratings in frontal and side impact tests.
Stability Control:
Dynamic Stability Control (DSC) with traction control as standard.
Braking Assist:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist.
Airbags:
Front, side-impact, and curtain airbags.
Seatbelts:
Pretensioning seatbelts with force limiters.
I Drive System:
Introduction of the iDrive control system for managing infotainment, navigation, climate, and vehicle settings.
Audio Options:
Standard radio, optional premium sound systems (e.g., Harman Kardon), Bluetooth connectivity, USB/Aux inputs.
Parking Assist:
Optional Park Distance Control (PDC) - front and rear.
Lighting:
Optional Xenon headlights with adaptive cornering.
Bluetooth:
Available for hands-free calling and audio streaming on equipped models.
Service Intervals General
Oil Change Interval:
Typically every 15,000 miles or 12 months, determined by the Condition Based Service (CBS) system.
Brake Fluid Interval:
Every 2 years.
Coolant Interval:
BMW Blue Longlife coolant, typically replaced every 3-5 years or 100,000 miles.
Engine Oil:
BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) approved oils, typically 5W-30 or 0W-30 synthetic, depending on engine and climate.
Transmission Fluid Auto:
Specific ZF Lifeguard fluids (e.g., Lifeguard 6 for 6HP transmissions), not a generic ATF.
Common Engine Issues:
N54/N55: High-pressure fuel pump (HPFP) failure, turbocharger wastegate issues, carbon buildup on intake valves. N43/N52: Ignition coil and spark plug issues, eccentric shaft sensor failure. Diesel: Glow plug issues, DPF regeneration problems (if equipped).
Common Chassis Issues:
PCV valve failure (leading to oil leaks or rough running), oil pan gasket leaks, vacuum pump leaks, suspension component wear (bushings, ball joints).
Common Electrical Issues:
Water pump failure (electric pump on later models), various sensor failures (e.g., camshaft/crankshaft position sensors), comfort module issues.
Manufacturer:
Bayerische Motoren Werke AG (BMW), a German luxury vehicle and motorcycle manufacturer.
E90 Introduction:
The E90 generation replaced the E46 and introduced significant advancements in design, technology, and powertrains.
Mid Cycle Refresh:
Facelift (LCI) introduced around 2008-2009, featuring updated styling, revised engines, and new technology options.
Production Period:
2005-2011 (for the E90 Saloon generation).
