🏷️ Basic Information

Make:

BMW

Model:

335i

Year:

2010

Chassis Code:

E90/E92/E93

Engine Code Primary:

N54B30

Engine Code Secondary:

N55B30 (later production runs of 2010 models might feature N55)

👋 Introduction

Market Position:

The 2010 BMW 335i (E90/E92/E93 generation) represents a high-performance luxury sports sedan/coupe/convertible, positioned as a direct competitor to vehicles like the Audi A4/S4, Mercedes-Benz C-Class, and Infiniti G37. It offers a blend of dynamic driving characteristics, premium interior, and advanced technology.

Competitive Analysis:

The 335i of this era was renowned for its powerful twin-turbocharged engine, which offered supercar-like acceleration at a more accessible price point. Its chassis tuning emphasized a balance between sportiness and comfort, appealing to enthusiasts who also required daily usability. The availability of both RWD and xDrive variants expanded its appeal.

Key Features:

Powerful N54/N55 twin-turbocharged inline-6 engine, sophisticated handling, premium interior materials, available xDrive all-wheel drive, iDrive infotainment system, wide range of customization options.

📋 Manual Details

Coverage:

Complete service, repair, maintenance, diagnostics, and troubleshooting for the 2010 BMW 335i.

Page Count:

Estimated 3000+ pages (typical for comprehensive software manuals).

Manual Type:

Service and Repair Manual Software (Digital).

Language:

English

Format:

Software/Digital (likely executable application, PDF, or web-based access).

📖 Manual Coverage

Engine:

N54/N55 Twin-Turbocharged Inline-6 Engine: Fuel system, ignition system, cooling system, lubrication system, engine management (DME), turbocharger system, exhaust system, emissions control, complete engine mechanicals (disassembly/assembly).

Transmission:

Automatic (GA6HP19Z/GA6HP26Z) and Manual (GS6-37BZ/GS6-53DZ) Transmissions: Service, repair, fluid specifications, torque converter, clutch assembly, mechatronics, diagnostics.

Drivetrain:

Rear-Wheel Drive (RWD) and xDrive All-Wheel Drive (AWD): Driveshafts, differentials, CV joints, axle shafts, transfer case (for xDrive).

Suspension:

Front and Rear Suspension: Struts, shock absorbers, control arms, bushings, sway bars, wheel bearings, steering system (power steering pump, rack and pinion).

Brakes:

Brake System: Hydraulic system, ABS, DSC, traction control, brake calipers, rotors, pads, brake fluid specifications, bleeding procedures, parking brake.

Electrical System:

12V Electrical System: Battery, alternator, starter motor, fuses, relays, wiring diagrams for all major systems, lighting, power windows, mirrors, seats, comfort features.

Body And Interior:

Body Panels, Doors, Hood, Trunk, Bumpers, Seats, Dashboard, Trim Panels: Removal, installation, repair, adjustment, convertible top mechanisms (for E93).

Climate Control:

HVAC System: Air conditioning compressor, refrigerant, blower motor, heater core, climate control modules, diagnostic procedures.

Safety Systems:

Airbags, Seatbelt Pre-tensioners, SRS Control Unit: Diagnostics and repair procedures.

Infotainment:

iDrive System, Navigation, Audio System, Bluetooth Connectivity: Basic diagnostics and component identification.

Maintenance:

Routine maintenance (oil changes, filter replacements, spark plugs), fluid checks and top-offs, brake pad/rotor replacement, battery service.

Troubleshooting:

Diagnostic fault codes (DTCs), symptom-based troubleshooting guides, electrical system diagnosis, engine performance issues, transmission shift quality problems.

Repair:

Engine component replacement (injectors, coils, sensors), transmission service/rebuild, suspension component replacement, brake system repairs, electrical component replacement.

Diagnostics:

Use of diagnostic tools (e.g., ISTA, INPA), reading live data, actuator tests, component coding, module programming overview.

Special Tools:

Identification and usage of BMW-specific tools for various repair and maintenance procedures.

Depth:

Comprehensive. Covers everything from basic fluid changes and filter replacements to in-depth engine and transmission overhauls, electrical system diagnostics, and bodywork repairs.

📊 Manual Specifications

File Format:

Software application (likely Windows-based executable) or high-resolution, searchable PDF documents.

Print Quality:

Digital format allows for high-resolution printing of individual pages or sections.

Binding Type:

Not applicable (Digital Software).

Paper Type:

Not applicable (Digital Software).

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder, Twin-Turbocharged (N54) or Single-Turbo with Twin-Scroll (N55)

Displacement:

2979 cc (3.0 Liters)

Bore X Stroke:

84.0 mm x 89.6 mm

Compression Ratio:

10.2:1

Fuel Delivery:

High-pressure direct injection (Bosch)

Horsepower N54:

300 hp @ 5800-6000 rpm

Torque N54:

300 lb-ft @ 1300-5000 rpm

Horsepower N55:

300 hp @ 5800-6000 rpm

Torque N55:

300 lb-ft @ 1200-5000 rpm

Fuel Type:

Premium Unleaded Gasoline (91+ octane recommended)

Fuel Injectors:

Direct injection, Bosch EV14 series (requires specialized servicing).

Fuel Pump:

High-pressure fuel pump (HPFP), known to be a common failure point on N54 engines.

🔧 Transmission

Transmission Type:

6-speed Manual (GS6-37BZ/GS6-53DZ)

Transmission Type:

6-speed Steptronic Automatic (GA6HP19Z/GA6HP26Z) with paddle shifters

Clutch:

Hydraulically actuated dual-mass flywheel clutch (manual transmission).

Automatic Features:

Adaptive transmission control, sport mode, manual shifting mode via selector lever or paddle shifters.

Manual Transmission Fluid:

BMW MTF LT-3 or equivalent.

Automatic Transmission Fluid:

BMW ATF LT-5 or equivalent (e.g., Pentosin ATF1).

📐 Dimensions

Length:

E90 Sedan: 181.8 in (4618 mm), E92 Coupe: 182.0 in (4623 mm), E93 Convertible: 182.4 in (4633 mm)

Width:

E90 Sedan: 71.5 in (1816 mm), E92/E93: 71.5 in (1816 mm)

Height:

E90 Sedan: 56.7 in (1441 mm), E92 Coupe: 55.9 in (1420 mm), E93 Convertible: 56.0 in (1422 mm)

Wheelbase:

E90/E92/E93: 108.7 in (2760 mm)

Curb Weight Manual:

Approx. 3500-3700 lbs (1588-1678 kg)

Curb Weight Automatic:

Approx. 3600-3800 lbs (1633-1724 kg)

Gross Vehicle Weight Rating:

Approx. 4600-4800 lbs (2087-2177 kg)

Trunk Capacity Sedan Coupe:

Approx. 12.0 - 15.0 cu ft (340 - 425 liters)

Trunk Capacity Convertible:

Approx. 9.0 - 13.0 cu ft (255 - 368 liters) with roof retracted

🛡️ Safety Features

NHTSA Front Impact Driver:

5 Stars

NHTSA Front Impact Passenger:

5 Stars

NHTSA Side Impact Front Seat:

5 Stars

NHTSA Side Impact Rear Seat:

5 Stars

IIHS Headlight Rating:

Good

Active Safety:

Dynamic Stability Control (DSC), Dynamic Traction Control (DTC), Anti-lock Braking System (ABS), Cornering Brake Control (CBC).

Passive Safety:

Front airbags, side airbags, head protection system (curtain airbags for Sedan), seatbelt pretensioners, active front head restraints (on some models).

💡 Technology Features

Infotainment System:

BMW iDrive system with a high-resolution central display, hard drive storage, and advanced navigation capabilities (Professional Navigation System).

Audio System:

Standard 10-speaker HiFi audio system, optional Logic7 surround sound system.

Driver Assistance Features:

Optional: Adaptive Headlights, Park Distance Control (PDC), Backup Camera, Head-Up Display (HUD).

Connectivity Features:

Bluetooth hands-free connectivity, USB audio interface, optional satellite radio, BMW Assist with telematics.

🔧 Maintenance

Oil Change Interval:

Condition Based Service (CBS) system, typically 10,000-15,000 miles or 12-24 months, depending on driving conditions.

Air Filter Replacement:

Every 30,000 - 45,000 miles or as indicated by CBS.

Cabin Filter Replacement:

Every 15,000 - 20,000 miles or annually.

Spark Plug Replacement:

N54: 45,000 miles. N55: 60,000 miles (though often recommended sooner).

Brake Fluid Flush:

Every 2 years, regardless of mileage.

Coolant Flush:

First change at 5 years or 100,000 miles, then every 2-3 years or 30,000-50,000 miles thereafter (BMW Blue Coolant).

Engine Oil Specification:

BMW Longlife-01 (LL-01) or BMW Longlife-04 (LL-04) approved synthetic oil, typically 0W-30 or 5W-30 viscosity.

Engine Oil Capacity:

Approx. 6.5 quarts (6.2 Liters)

Coolant Specification:

BMW Blue Antifreeze/Coolant (G48) or equivalent.

Power Steering Fluid:

Pentosin CHF 11S or equivalent (BMW P/N 81229407769).

Hpfp:

High-Pressure Fuel Pump (HPFP) failure, particularly on N54 engines, leading to misfires and stalling. Upgrade to revised part is common.

Injectors:

Fuel injector issues (leakage, clogging), especially on early N54 models, causing rough idle and performance problems. Recall or service campaign often applies.

Turbos:

Wastegate rattle (N54), turbocharger seal failures leading to oil consumption or boost leaks.

Vacuum Leaks:

Vacuum lines, PCV valve, and intake manifold gaskets can degrade, causing vacuum leaks and rough running.

Oil Pan Gasket:

Oil pan gasket leaks are common due to age and material degradation.

Water Pump Thermostat:

Electric water pump and thermostat failures can lead to severe overheating.

📚 Vehicle History

Brand Heritage:

BMW (Bayerische Motoren Werke AG) has a long-standing reputation for producing sporty and luxurious vehicles, particularly known for its 'Ultimate Driving Machine' philosophy and inline-6 engines.

Model Evolution:

The 3 Series is BMW's core model, evolving through multiple generations. The E90 generation (2006-2011) replaced the E46 and introduced significant technological advancements, including direct injection and the option of the powerful N54 twin-turbo engine, which debuted in the 335i, marking a performance benchmark for the 3 Series.

Production Years:

2006-2011 (E90 Sedan, E91 Wagon, E92 Coupe, E93 Convertible). The 335i variant was introduced for the 2007 model year.

Manufacturing Locations:

Primarily Dingolfing, Germany; also assembled in other BMW facilities globally.

🏆 Awards & Recognition

Ward Auto 10 Best Engines:

The N54 engine was a multiple recipient of Ward's 10 Best Engines award for its power and efficiency.

Car And Driver 10 Best:

The BMW 3 Series, including various 335i configurations, frequently appeared on Car and Driver's 10Best lists during this generation.

Consumer Reports Reliability:

Varied; while praised for performance, some models and specific components (like HPFP) experienced average to below-average reliability ratings in some consumer reports.