BMW 340i 2012-2018

BMW 340i 2012-2018 3.0L Engine Specifications

Detailed technical specifications and documentation for the 3.0L B58 turbocharged engine in the 2012-2018 BMW 340I. Includes performance data, maintenance guidelines, and component-specific details.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the 3.0l-engine specifications for the 2012-2018 BMW 340I, including key features, measurements, and technical details

How to Use

Use the search function to locate specific 3.0l-engine specifications by entering keywords such as 'torque', 'horsepower', or 'compression ratio'.

Navigate through the documentation sections using the table of contents or by scrolling through the major sections and subsections.

Key Specifications

Engine Type

Inline-6, TwinPower Turbo

Displacement

2998 cc (3.0 liters)

Horsepower

320 hp (238 kW)

Torque

330 lb-ft (447 Nm)

Compression Ratio

11.0:1

Available Specifications

Engine Performance

Detailed information on the performance characteristics of the 3.0l-engine, including power output, torque, and acceleration metrics.

Power and Torque

Maximum power output: 320 hp (238 kW) at 5500-6500 rpm
Peak torque: 330 lb-ft (447 Nm) at 1380-5000 rpm
Redline: 7000 rpm
Compression ratio: 11.0:1
Direct fuel injection system for optimized combustion

Acceleration and Top Speed

0-60 mph acceleration: 4.8 seconds
Top speed: 155 mph (electronically limited)
Drag coefficient: 0.29 Cd
Fuel efficiency: 22 mpg city / 33 mpg highway
Engine weight: 375 lbs (170 kg)

Note: Performance figures may vary slightly depending on transmission type and driving conditions.

Engine Design

Technical details about the design and construction of the 3.0l-engine, including materials, layout, and key components.

Engine Block and Cylinders

Inline-6 cylinder configuration
Aluminum engine block with magnesium alloy cylinder head
Bore: 84.0 mm (3.31 in)
Stroke: 89.6 mm (3.53 in)
Displacement: 2998 cc (3.0 liters)

Valvetrain and Timing

DOHC (Double Overhead Camshaft) design
Variable Valve Timing (VANOS) on intake and exhaust
Valve Lift System (Valvetronic) for precise throttle control
24 valves (4 valves per cylinder)
Timing chain-driven camshafts

Note: The Valvetronic system eliminates the need for a traditional throttle body, improving responsiveness and efficiency.

Cooling and Lubrication

Details on the cooling and lubrication systems that ensure optimal engine performance and longevity.

Cooling System

Liquid-cooled with an electric water pump
Radiator capacity: 10.6 liters (2.8 gallons)
Thermostat opening temperature: 97°C (207°F)
Coolant type: BMW-approved ethylene glycol-based coolant
Auxiliary electric fan for additional cooling

Lubrication System

Wet sump oil system with a capacity of 6.5 liters (6.9 quarts)
Oil pump: Variable displacement for efficiency
Recommended oil: BMW TwinPower Turbo LL-01 5W-30
Oil change interval: 10,000 miles or 12 months
Oil filter: Cartridge-type with replaceable element

Note: Regular oil changes are critical to maintaining engine performance and longevity.

Emissions and Fuel System

Information on the emissions control and fuel delivery systems, including compliance standards and fuel requirements.

Emissions Control

Complies with Euro 6 and ULEV II emissions standards
Dual catalytic converters for reduced emissions
Exhaust gas recirculation (EGR) system
Oxygen sensors: 2 upstream and 2 downstream
Particulate filter: Optional for diesel models

Fuel System

High-pressure direct injection system (up to 200 bar)
Fuel tank capacity: 15.8 gallons (60 liters)
Recommended fuel: Premium unleaded (91 octane or higher)
Fuel injectors: Piezo-electric for precise fuel delivery
Fuel pump: Electric, located inside the fuel tank

Note: Using lower-octane fuel may reduce performance and increase engine knock.

Search Specifications

Search by specification name, value, or description

Engine Specifications

General

Engine Code: B58B30M0

Displacement: 2998 cc

Configuration: Inline 6-cylinder

Aspiration: TwinPower Turbo

Fuel Type: Premium unleaded gasoline (91 AKI minimum)

Manufacturer: BMW AG

Production Years: 2015-2018

Performance

Max Power: 320 hp @ 5500-6500 rpm

Max Torque: 330 lb-ft @ 1380-5000 rpm

Redline: 7000 rpm

Compression Ratio: 11.0:1

Fuel System: Direct injection with High Precision Injection (HPI)

Dimensions

Bore: 82.0 mm

Stroke: 94.6 mm

Cylinder Spacing: 91.0 mm

Engine Length: 520 mm

Engine Width: 520 mm

Engine Height: 680 mm

Dry Weight: 168 kg

Cooling System

Coolant Capacity: 10.5 liters

Thermostat Opening Temperature: 97°C

Coolant Type: BMW Antifreeze and Corrosion Inhibitor (G48)

Coolant Mix Ratio: 50:50 (antifreeze:water)

Cooling System Pressure: 1.4 bar

Lubrication System

Oil Capacity: 6.5 liters (with filter)

Oil Type: BMW Longlife-01 FE 0W-20 or 0W-30

Oil Pressure: 3.0-4.5 bar @ 2000 rpm

Oil Filter Part Number: 11 42 7 566 327

Oil Change interval: 10,000 miles or 12 months

Ignition System

Spark Plug Type: Bosch ZR5TPP330

Spark Plug Gap: 0.7-0.8 mm

Ignition Coil Part Number: 12 13 7 566 327

Ignition Timing: Fully electronic, variable

Spark Plug Torque: 23 Nm

Fuel System

Fuel Pump Pressure: 5.0 bar

injector Part Number: 13 53 7 566 327

Fuel Rail Pressure: 200 bar

Fuel Filter Part Number: 13 32 7 566 327

Fuel Tank Capacity: 60 liters

Emissions

Emission Standard: EU6

Catalytic Converter Part Number: 18 30 7 566 327

Oxygen Sensor Part Number: 11 78 7 566 327

Exhaust Gas Recirculation: Integrated into turbocharger system

Particulate Filter: Optional (depending on market)

Turbocharger

Turbo Type: Twin-scroll turbocharger

Boost Pressure: 1.2 bar

Wastegate Control: Electronic

Turbocharger Part Number: 11 62 7 566 327

intercooler Type: Air-to-air

Valvetrain

Valve Configuration: DOHC, 4 valves per cylinder

Valve Material: Hollow-stem intake valves, sodium-filled exhaust valves

Camshaft Material: Forged steel

Valve Clearance: Hydraulic, self-adjusting

Timing Chain: Dual-row, maintenance-free

Maintenance

Timing Chain Replacement Interval: Lifetime (no scheduled replacement)

Spark Plug Replacement interval: 60,000 miles

Serpentine Belt Replacement Interval: 90,000 miles

Coolant Replacement interval: 4 years or 60,000 miles

Air Filter Replacement interval: 30,000 miles

Diagnostics

Obd2 Port Location: Under dashboard, driver's side

Diagnostic Trouble Codes: BMW-specific DTCs

Scan Tool Requirements: Compatible with BMW ISTA/D or equivalent

Common Fault Codes

P0171 - System too lean
P0300 - Random/multiple cylinder misfire detected
P0299 - Turbocharger underboost condition

Diagnostic Procedures: Follow BMW ISTA/D diagnostic tree

Service Information Service

Detailed service requirements and schedules for the 3.0L engine

10,000

Oil and filter change
Inspect cooling system for leaks
Check engine air filter
Inspect drive belts

Use only BMW-approved fluids and parts

30,000

Replace engine air filter
Inspect spark plugs
Check fuel system for leaks
Inspect turbocharger system

Perform additional checks if vehicle is driven in harsh conditions

60,000

Replace spark plugs
Replace coolant
Inspect timing chain
Check exhaust system

Timing chain inspection is critical for long-term reliability

Common Questions

Find answers to common questions about torque specifications

What is the horsepower and torque output of the 3.0L engine in the 2012-2018 BMW 340i?

The 3.0L turbocharged inline-6 engine (B58B30) in the BMW 340i produces 320 horsepower at 5,500-6,500 RPM and 330 lb-ft of torque at 1,380-5,000 RPM.

What type of fuel system does the 3.0L engine use?

The 3.0L engine utilizes a direct fuel injection system with high-pressure injectors operating at up to 200 bar (2,900 psi) for optimal fuel atomization and combustion efficiency.

What is the recommended oil type and capacity for the 3.0L engine?

The recommended oil type is BMW Longlife-01 FE 0W-20 or 5W-30 synthetic oil. The oil capacity is approximately 6.5 liters (6.9 quarts) including the oil filter.

What is the compression ratio of the 3.0L engine?

The compression ratio of the 3.0L B58 engine is 11.0:1, which is optimized for both performance and fuel efficiency.

What is the service interval for spark plugs on the 3.0L engine?

The spark plugs should be replaced every 60,000 miles (96,000 km) or as specified in the vehicle's maintenance schedule. Use only BMW-approved spark plugs for optimal performance.

Does the 3.0L engine require premium fuel?

Yes, the 3.0L engine requires premium unleaded fuel with an octane rating of 91 or higher to ensure optimal performance and prevent engine knocking.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

BMW 340i Owner's Manual

Coming Soon

Official owner's manual for the 2012-2018 BMW 340i, including detailed maintenance schedules and technical specifications.

B58 Engine Technical Overview

Coming Soon

Comprehensive technical overview of the B58 3.0L turbocharged inline-6 engine, including design features and performance metrics.

BMW Genuine Parts Catalog

Coming Soon

Official catalog for genuine BMW parts, including engine components, filters, and fluids for the 3.0L engine.

BMW Service Bulletins

Coming Soon

Access to official BMW service bulletins and technical updates for the 3.0L engine and related systems.

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Technical Information

All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
Vehicle specifications and procedures may vary by model year, trim level, and region.
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