Chassis Code:
E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), E93 (Convertible)
Production Years Covered:
2006, 2007, 2008, 2009, 2010
Manual Product Code:
Not specified in product info, typically internal to seller
Positioning:
The E90/E91/E92/E93 generation represented BMW's premium compact executive offering, known for its balance of sporty dynamics, luxury, and advanced technology.
Competitors:
Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G35/G37
Design:
Understated yet athletic styling, driver-focused interior, advanced chassis dynamics (e.g., multi-link front suspension).
Powertrain Options:
Wide range of efficient and powerful inline-4 and inline-6 gasoline engines, as well as efficient diesel options (in relevant markets).
Technology:
Introduction of iDrive infotainment system, advanced safety features, optional xDrive all-wheel drive.
Vehicle Models:
All BMW 3 Series E90, E91, E92, E93 models and sub-models
Engine Variants:
All engine types offered in the E90/E91/E92/E93 chassis during the specified years
Transmission Types:
All transmission types (Manual, Automatic, Steptronic)
Trim Levels:
All trim levels and option packages
Estimated Pages:
Thousands (typical for complete workshop manuals)
Type:
Complete Workshop Service Repair Manual
Delivery Format:
Digital Download (PDF)
Accessibility:
Printable, viewable on PC, MAC, Tablets, Smartphones
File Format:
Portable Document Format (PDF)
Quality:
High quality, clear text and images, printable
Type:
N/A (Digital Product)
Type:
N/A (Digital Product)
Powertrain:
Engine mechanical, engine management (DME), fuel system, exhaust system, cooling system, lubrication system, ignition system
Drivetrain:
Transmission (manual & automatic), clutch, drivelines, differential, axles, transfer case (if applicable)
Chassis:
Suspension (front & rear), steering system, brake system (ABS, DSC, handbrake)
Electrical:
Body electronics (BCM), lighting, instrumentation, power distribution, starter, alternator, battery, infotainment system, comfort electronics
Body And Interior:
Body panels, doors, windows, seats, airbags, HVAC system, interior trim, convertible roof mechanism (E93)
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections, lubrication
Diagnostics:
Troubleshooting guides, fault code interpretation, symptom-based diagnostics
Repair:
Component removal and installation, sub-assembly repair, component overhaul
Adjustment:
Wheel alignment, headlight aiming, handbrake adjustment
Technical Data:
Specifications, torque values, electrical schematics, component identification
Depth:
Comprehensive (A-Z coverage) from basic maintenance to advanced diagnostics and major component overhauls
Engine Code Example:
N52B30 (3.0L inline-6)
Horsepower Range:
Approximately 170 hp (318i) to 300+ hp (335i)
Torque Range:
Approximately 199 lb-ft (318i) to 300+ lb-ft (335i)
Type:
High-pressure direct injection (e.g., on N54/N55/N53) and port injection (e.g., on N52)
ECU:
Digital Motor Electronics (DME) systems
System:
Double Overhead Camshafts (DOHC), typically with VANOS (Variable Valve Timing) and Valvetronic (variable valve lift)
Transmission Type:
6-speed Manual (e.g., GS6-37BZ)
Transmission Type:
6-speed Automatic (e.g., GM 6L45, ZF GA6HP19Z) with Steptronic manual shifting
Clutch:
Hydraulically actuated single-plate dry clutch (manual)
Coolant:
Separate transmission fluid cooler integrated with engine cooling system (automatic)
Sedan Length Approx:
181.0 inches (E90)
Wagon Length Approx:
184.5 inches (E91)
Coupe Length Approx:
181.8 inches (E92)
Convertible Length Approx:
181.8 inches (E93)
Wheelbase Approx:
108.7 inches
Curb Weight Range Approx:
3,400 lbs - 3,900 lbs (depending on body style and engine)
Sedan Trunk Volume Approx:
12.0 cubic feet (E90)
Wagon Cargo Volume Approx:
17.7 cubic feet (rear seats up) / 50.2 cubic feet (rear seats down) (E91)
NHTSA Front Impact:
5-Star (for most configurations)
IIHS Top Safety Pick:
Yes (for most configurations)
Dynamic Stability Control:
Standard (DSC, includes DTC - Dynamic Traction Control)
Antilock Brakes:
Standard (ABS)
Airbags:
Frontal airbags, side airbags, curtain airbags (head protection for front and rear passengers in sedans/coupes), knee airbags
Seatbelts:
Pretensioners and force limiters
Convertible Rollover:
Deployable rollover protection system (E93)
System Name:
iDrive (various iterations depending on year and options)
Display:
Central LCD display controlled by iDrive controller.
Parking Assist:
Optional Park Distance Control (PDC)
Cruise Control:
Standard cruise control, optional Active Cruise Control
Bluetooth:
Optional Bluetooth hands-free interface
Usb:
Optional USB/Auxiliary input
Oil Change Interval:
Typically every 15,000 miles or 12 months, depending on driving conditions and oil quality (flexible service interval system).
Brake Fluid Flush:
Every 2 years
Spark Plug Replacement:
Varies by engine (e.g., 60,000 miles for N52, 45,000 miles for N54/N55)
Engine Oil Spec:
BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) synthetic oil, typically 0W-30 or 5W-30, depending on climate and engine.
Coolant Spec:
BMW Blue Antifreeze/Coolant (G48 specification)
Valve Cover Gasket Leaks:
Common on many BMW engines, especially with age.
Water Pump And Thermostat Failure:
Electric water pumps and thermostats can fail, often throwing specific codes.
Pcv System Issues:
Clogged Positive Crankcase Ventilation (PCV) systems can lead to oil leaks and rough running.
Fuel Injector Problems:
Direct injection engines (N53/N54/N55) are prone to injector issues.
Turbos And Charge Pipes:
Twin-turbocharged models (335i) can experience issues with turbochargers, wastegates, and charge pipes.
Oil Pan Gasket Leaks:
Another common area for oil leaks.
Bmw Legacy:
BMW's long-standing reputation for building driver-oriented sports sedans and coupes.
E90 Introduction:
The E90 sedan replaced the E46 sedan in 2005, introducing new technologies and a refined design language.
Body Style Expansion:
The E91 Touring (wagon), E92 Coupe, and E93 Convertible variants were introduced subsequently, expanding the 3 Series lineup.
Manufacturing Locations:
Primary production at BMW's Dingolfing plant in Germany, with potential assembly in other global locations.
Ward 10 Best Engines:
Several engines from the E90 generation (particularly the N54 twin-turbo inline-6 and N52 naturally aspirated inline-6) were recognized in Ward's 10 Best Engines awards.
Consumer Reports:
Generally received good ratings for performance and handling, with some variability in reliability based on engine and specific year.
Emissions Compliance:
Meets EPA and CARB emissions standards for the respective model years.
