Segment:
Entry-level luxury sport sedan/coupe/convertible/wagon segment
Brand Perception:
Known for performance, handling, and luxury; the 335i xDrive offered a potent blend of power and all-weather capability.
Competitors:
Audi A4 Quattro, Mercedes-Benz C300 4MATIC, Infiniti G37x
Drivetrain:
xDrive all-wheel-drive system providing enhanced traction and stability
Engine:
Twin-turbocharged 3.0L inline-6 engine (N54), renowned for its power delivery and tuning potential.
Performance Focus:
Balance of sport sedan dynamics with all-weather capability.
Engine:
Engine mechanical, lubrication, cooling, fuel injection, ignition, emissions control, turbocharging, intercooling, engine management (DME)
Transmission:
Manual transmission (GS6-37BZ), Automatic transmission (GA6HP19Z), xDrive all-wheel-drive system, transfer case, driveline components
Brakes:
Brake system hydraulics, ABS, DSC (Dynamic Stability Control), brake rotors, pads, calipers, parking brake
Electrical:
12V electrical system, battery, alternator, starter, wiring diagrams, fuse box locations, lighting systems, comfort electronics, control modules (ECU, TCU, DSC module, etc.)
Suspension:
Front suspension (McPherson struts, control arms), Rear suspension (multi-link), steering system, wheel alignment specifications
Body:
Body and chassis, exterior trim, interior trim, doors, hood, trunk, windows, sunroof, body repair procedures
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, climate control, refrigerant handling
Diagnostics:
Troubleshooting charts, diagnostic trouble codes (DTCs), OBD-II procedures, specific component testing
Maintenance:
Oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, brake fluid flush, coolant flush, serpentine belt inspection/replacement
Repair:
Engine component replacement (injectors, turbos, water pump, thermostat), transmission service/rebuild, brake caliper/rotor replacement, suspension component replacement, electrical component diagnosis/replacement
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon drivability, electrical, and mechanical issues
Calibration:
Electronic component calibration, throttle body relearn, steering angle sensor calibration
Special Tools:
Identification and usage of BMW-specific special tools required for various repair procedures
Depth:
In-depth, from basic scheduled maintenance to complex engine and transmission overhauls, including electrical system diagnostics and body repairs.
Configuration:
3.0L (2979cc) Twin-Turbocharged Inline-6
Bore X Stroke:
84.0 mm x 89.6 mm
Compression Ratio:
10.2:1
Valvetrain:
DOHC, 4 valves per cylinder, Double VANOS (Variable Valve Timing)
Engine Management:
Bosch Motronic (specific variant varies, typically DME MSV70/MSV80)
Horsepower:
300 hp @ 5800 rpm
Torque:
300 lb-ft @ 1400-5000 rpm (with overboost to 320 lb-ft)
Injection Type:
Direct Injection (High-Pressure)
Fuel Type:
Premium Unleaded Gasoline (91 Octane Recommended)
Turbochargers:
Sequential twin-turbocharging (smaller turbo for low-end response, larger turbo for high-end power)
Wheelbase:
E90 Sedan: 108.7 in (2760 mm), E92 Coupe: 108.7 in (2760 mm), E93 Convertible: 108.7 in (2760 mm), E91 Wagon: 108.3 in (2750 mm)
Length:
E90 Sedan: 178.2 in (4527 mm), E92 Coupe: 181.1 in (4600 mm), E93 Convertible: 181.1 in (4600 mm), E91 Wagon: 179.1 in (4550 mm)
Width:
E90 Sedan/E91 Wagon: 70.1 in (1780 mm), E92 Coupe/E93 Convertible: 71.5 in (1816 mm)
Height:
E90 Sedan: 56.7 in (1440 mm), E91 Wagon: 56.3 in (1430 mm), E92 Coupe: 55.7 in (1415 mm), E93 Convertible: 56.1 in (1425 mm)
Front Track:
Approx. 59.8 in (1519 mm)
Rear Track:
Approx. 60.7 in (1541 mm)
Curb Weight:
Approx. 3700-3900 lbs (1680-1770 kg) depending on body style and transmission
Trunk Volume:
E90 Sedan: 12.0 cu ft (340 L), E91 Wagon: 17.7 cu ft (500 L) to 50.5 cu ft (1430 L) with seats folded, E92 Coupe: 12.4 cu ft (350 L), E93 Convertible: 13.1 cu ft (370 L)
NHTSA:
Likely received 4 or 5-star ratings in frontal, side, and rollover crash tests (specific year/model variant reports may vary).
IIHS:
Likely achieved 'Good' ratings in IIHS crashworthiness tests.
Stability Control:
Dynamic Stability Control (DSC) with integrated traction control
Braking Assist:
Anti-lock Braking System (ABS), Brake Assist (BA)
All Wheel Drive:
xDrive all-wheel-drive system for improved traction and handling
Airbags:
Frontal airbags, side airbags, front and rear head protection airbags (curtain airbags in sedans/wagons/coupes)
Seatbelts:
3-point inertia-reel seat belts with pretensioners and force limiters
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for Children) system
System:
iDrive infotainment system with central display, navigation (optional), radio, CD player, Bluetooth, and auxiliary input.
User Interface:
Controller knob and buttons for system operation.
Traction Control:
Traction control integrated with DSC for optimized power delivery.
Stability Control:
Dynamic Stability Control (DSC) with various modes, including DTC (Dynamic Traction Control).
Bluetooth:
Standard or optional Bluetooth integration for hands-free calling and audio streaming.
Usb:
Optional USB interface for audio device connectivity.
Oil Change:
Typically every 10,000-15,000 miles or 12-24 months, indicated by the Condition Based Service (CBS) system. Check oil level frequently between services.
Air Filter:
Every 30,000 miles or as per CBS indication.
Cabin Filter:
Every 15,000-30,000 miles or as per CBS indication.
Spark Plugs:
Typically at 60,000 miles for the N54 engine. Consult manual for exact spec and torque.
Brake Fluid:
Every 2 years, regardless of mileage.
Coolant Flush:
Initial change at 100,000 miles, then every 50,000 miles thereafter (BMW Blue Coolant).
Engine Oil:
SAE 5W-30 or 0W-30, BMW LL-01 approved synthetic oil. Capacity: Approx. 6.5 liters (6.9 US quarts).
Transmission Fluid Manual:
BMW MTF LT-2 or equivalent (e.g., Pentosin MTF 2). Capacity: Approx. 1.5 liters.
Transmission Fluid Automatic:
BMW ATF 6HP (e.g., Shell ATF M-1375.4 or Pentosin ATF 1). Capacity: Approx. 8.5 liters for a full change (pan drop and refill ~4 liters).
Differential Fluid:
BMW Hypoid Gear Oil G2 (e.g., Castrol SAF-XJ 75W-140). Capacity: Approx. 1.3 liters.
Transfer Case Fluid Xdrive:
BMW DTF-1 (Double Clutch Transmission Fluid).
Fuel Injectors:
Early N54 engines were known for injector failures, leading to misfires and rough running. Later revisions improved reliability.
Turbo Wastegates:
Wastegate rattle or actuator failure can occur, leading to boost issues and check engine lights.
High Pressure Fuel Pump:
The high-pressure fuel pump (HPFP) is a known failure point on early N54 engines, causing stalling and starting issues.
Water Pump Thermostat:
Electric water pumps and thermostats can fail, leading to overheating and coolant leaks.
Oil Cooler Gaskets:
Leaking oil cooler gaskets can lead to oil loss and potential fire hazards.
Oil Pan Gasket:
Can develop leaks over time, requiring replacement.
Bmw Legacy:
BMW has a long history of producing driver-focused luxury vehicles with a strong emphasis on performance and engineering excellence, dating back to the early 20th century.
E90 Generation:
The E90 generation (2006-2011) marked a significant evolution for the 3 Series, introducing more advanced technology, refined styling, and a greater emphasis on comfort without sacrificing the signature BMW driving dynamics.
335I Introduction:
The 335i variant, introduced in 2006, represented a performance leap with the introduction of the turbocharged N54 engine, delivering unprecedented power and torque for the 3 Series lineup.
Xdrive Addition:
The xDrive all-wheel-drive system was integrated into the 3 Series range to offer enhanced traction, particularly in adverse weather conditions, broadening the appeal of performance models like the 335i.
Manufacturing Locations:
Primarily manufactured in Germany (e.g., Dingolfing, Munich) and also in other BMW global facilities.