Chassis Code:
E90 (Sedan), E91 (Touring/Wagon), E92 (Coupe), E93 (Convertible)
Years Covered:
2006, 2007, 2008, 2009, 2010
Market Position:
The BMW E90/E91/E92/E93 3 Series represented a significant evolution in BMW's compact executive segment, blending sporty dynamics with premium comfort and advanced technology. This era's 3 Series was a class leader and a popular choice for discerning drivers.
Competitive Analysis:
Competed directly with the Audi A4, Mercedes-Benz C-Class, Lexus IS, and Infiniti G35/G37. The E90 generation was praised for its driving dynamics, refined interiors, and a wide range of powertrain options.
Key Features:
Rear-wheel drive bias (with xDrive all-wheel drive available), sophisticated multi-link suspension, powerful inline-6 engines, and a range of luxury and technology features for its time.
Systems Covered:
Engine, Transmission (Automatic & Manual), Drivetrain, Suspension, Steering, Brakes (ABS, DSC), Fuel System, Exhaust System, Cooling System, Electrical System (ECU, Wiring Diagrams, Lighting, Ignition), Climate Control (HVAC), Bodywork & Chassis, Interior Trim, Safety Systems (Airbags), Diagnostic Procedures, Maintenance
Procedures Included:
Routine Maintenance, Scheduled Service, Troubleshooting, Fault Diagnosis, Engine Repair & Rebuild, Transmission Overhaul, Brake Service & Repair, Suspension & Steering Alignment, Electrical Component Testing & Replacement, Body Panel Repair, Interior Component Servicing, Diagnostic Trouble Code (DTC) Interpretation & Resolution
Technical Depth:
Comprehensive: Covers everything from basic oil changes and fluid checks to complete engine and transmission rebuilds, including detailed diagnostic procedures and wiring schematics. Suitable for both DIY enthusiasts and professional technicians.
Diagnostic Tools:
Covers procedures for using BMW's diagnostic tools (e.g., GT1, DIS, ISTA/D) or equivalent OBD-II scanners. Details specific diagnostic trouble codes (DTCs) and their potential causes and solutions.
Electrical Schematics:
Includes detailed wiring diagrams for all major systems, allowing for precise troubleshooting of electrical faults, component testing, and repair of wiring harness issues.
Bodywork Repair:
Procedures for body panel alignment, repair, painting, and replacement of exterior trim components. Information on structural components and safety systems related to the chassis.
Interior Service:
Instructions for removing and reinstalling interior trim panels, seats, dashboard components, and HVAC system servicing. Details on airbag system components and safe handling procedures.
Engine Rebuild Procedures:
Detailed procedures for engine disassembly, cleaning, inspection, measurement, and reassembly of internal components such as pistons, connecting rods, crankshaft, cylinder head, and valves. Includes torque specifications for all critical fasteners.
Transmission Rebuild Procedures:
Comprehensive guides for the overhaul of both manual and automatic transmissions, covering clutch replacement, gear synchronization, seal replacement, torque converter service, and transmission control module (TCM) diagnostics.
File Format:
PDF (Adobe Reader Compatible)
Searchability:
Likely searchable text within the PDF for ease of navigation and information retrieval.
Printability:
Fully printable by chapter or entire document.
Device Compatibility:
Compatible with PC, Mac, Tablets, and Smartphones.
Digital Quality:
High quality scanned or digitally created document with clear text and legible images/diagrams. Designed for ease of use on various devices.
Primary Engine:
N52 (Naturally Aspirated Inline-6), N53 (Direct Injection Inline-6 - Europe), N54 (Twin-Turbocharged Inline-6 - e.g., 335i), N55 (Single-Turbocharged Inline-6 - later models), M54 (Naturally Aspirated Inline-6 - early models), N43 (Direct Injection Inline-4 - Europe), N45/N46 (Naturally Aspirated Inline-4)
Performance Examples:
328i (N52) typically produced ~230 hp, 330i (N52) ~255 hp, 335i (N54) ~300 hp, 335i (N55) ~300 hp. Torque figures varied accordingly. Specific outputs for all engine variants are detailed within the manual.
Fuel System:
Multi-point fuel injection (MPI) for N52 engines. Direct injection (DI) for N53, N55, and N43 engines. Turbocharged engines (N54, N55) feature advanced fuel delivery systems.
Oil Type:
Typically BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) synthetic engine oil. Specific viscosity grades (e.g., 0W-30, 5W-30) depend on engine and climate. Manual will specify exact requirements.
Timing System:
All 6-cylinder engines (N52, N54, N55) and most 4-cylinder engines feature BMW's VANOS (Variable Valve Timing) and Valvetronic (variable valve lift) systems for improved performance and efficiency. Manual covers servicing and troubleshooting of these complex systems, including timing chain and guide replacement.
Standard Transmission:
6-speed Manual Transmission (e.g., Getrag GS6-37DZ for most 6-cyl, ZF GS6-17BG for 4-cyl). Some base models may have featured 5-speed manuals.
Optional Transmission:
6-speed ZF 6HP automatic transmission with Steptronic (shift paddles on steering wheel optional). Some earlier models might have had 5-speed automatics.
Transmission Features:
ZF automatic transmissions often featured Sport and Manual modes, Adaptive Transmission Control (ATC). Manuals are robust and known for precise engagement.
Automatic Transmission Fluid:
ZF Lifeguard fluid (e.g., Lifeguard 6 for 6HP transmissions). Specific fluid type and capacity will be detailed in the manual. Often sealed for life but fluid changes are recommended.
Exterior Dimensions E90:
Length: ~4525-4531 mm, Width: ~1817 mm, Height: ~1417-1421 mm.
Exterior Dimensions E91:
Length: ~4527 mm, Width: ~1817 mm, Height: ~1447 mm.
Exterior Dimensions E92:
Length: ~4612 mm, Width: ~1782 mm, Height: ~1395 mm.
Exterior Dimensions E93:
Length: ~4612 mm, Width: ~1782 mm, Height: ~1384 mm.
Curb Weight Range:
Approximately 1500 kg to 1800 kg depending on body style, engine, and transmission.
Wheelbase:
E90/E91: 2760 mm, E92/E93: 2760 mm (standard wheelbase)
Wheel Bolt Pattern:
5x120 mm
Wheel Offset:
Typically ET 34-37 for 17-18 inch wheels, but varies by wheel size and style. Manual will list factory specifications.
Cargo Volume E90:
Approx. 460 liters (16.2 cu ft).
Cargo Volume E91:
Approx. 460 liters (16.2 cu ft) with rear seats up, expandable to ~1385 liters (48.9 cu ft) with seats folded.
NHTSA Ratings:
Generally received high safety ratings. Frontal crash test ratings were typically 5 stars. Specific ratings can vary by year and test protocols.
Active Safety Features:
Anti-lock Braking System (ABS), Dynamic Stability Control (DSC) including traction control, Electronic Brake-force Distribution (EBD), Cornering Brake Control (CBC), Run-flat tires (standard on many models), Optional Adaptive Headlights.
Passive Safety Features:
Front airbags, front side airbags, curtain airbags (front and rear depending on body style), active head restraints, 3-point seatbelts with pretensioners and force limiters, advanced crumple zones.
Infotainment System:
BMW iDrive system (various generations within this period), typically with a central LCD screen controlled via a rotary knob and buttons. Features included navigation, radio, CD player, auxiliary input, Bluetooth connectivity (often optional).
Driver Assistance Features:
Park Distance Control (PDC), cruise control, optional adaptive cruise control, rain-sensing wipers, automatic headlights. Advanced systems like lane departure warning were not common in this generation.
Connectivity Options:
Bluetooth hands-free calling and audio streaming (often part of options packages), USB/Auxiliary audio inputs.
Lighting Technology:
Halogen headlights standard, optional Bi-Xenon headlights with adaptive lighting. LED taillights became more prevalent in later models.
Drivetrain Technologies:
Available with traditional rear-wheel drive (RWD) or BMW's xDrive all-wheel drive (AWD) system, which features a transfer case and center differential for variable torque distribution. Manual details xDrive system maintenance and diagnosis.
Service Intervals:
Condition-Based Service (CBS) system monitors fluid levels, brake wear, and service needs. Typical intervals for oil changes: every 10,000-15,000 miles or annually. Brake fluid: every 2 years. Spark plugs: ~60,000 miles (varies by engine). Coolant: ~3-4 years or ~30,000-40,000 miles. Manual provides detailed CBS explanations and specific component replacement schedules.
Coolant Type:
BMW Blue or Pink antifreeze concentrate (G48 or G48-compatible). Must be mixed with distilled water. Manual specifies exact part numbers and mixture ratios.
Brake Fluid Type:
DOT 4 Low Viscosity (LV) synthetic brake fluid.
Common Issues:
N54/N55 engines: Turbo wastegate rattle, PCV valve issues, high-pressure fuel pump (HPFP) failures, injector issues. N52 engines: Oil leaks from valve cover gasket or oil filter housing, eccentric shaft sensor failures, water pump failure (electric pump). Cooling system: Plastic expansion tank can become brittle. Electrical: Battery registration required after replacement, iDrive system glitches, electronic water pump failures. Suspension: Control arm bushings, sway bar links. Manual provides diagnostic procedures for these and other common faults.
Oil Filter Part Numbers:
Commonly Mann-Filter HU816Z or BMW P/N 11427541827 (for many 6-cylinder models). Specific filter will depend on engine. Manual will list correct part numbers.
Air Filter Part Numbers:
Commonly Mann-Filter C35174 or BMW P/N 13717556961 (for many 6-cylinder models). Manual will list correct part numbers for all engine variants.
Brand Heritage:
BMW, established in 1916, has a long history of producing high-performance luxury vehicles, particularly known for its sporty sedans and coupes. The 3 Series, introduced in 1975, is its most iconic and best-selling model line, defining the compact executive sports sedan segment.
Model Evolution:
The E90 generation succeeded the E46 3 Series. It introduced significant advancements in chassis design, engine technology (including direct injection and turbocharging), and electronic integration. It was the first 3 Series to offer coupe and convertible variants with distinct chassis codes (E92/E93).
Production Period:
2005-2013 (with the 2006-2010 model years covered by this manual).
Production Locations:
Primarily manufactured at BMW's plant in Munich, Germany, with additional production in Regensburg, Germany, and Rosslyn, South Africa.
