BMW 550i 2017-present

BMW 550i 2017-present Drivetrain Specifications

Detailed technical specifications for the 2017-Present BMW 550i drivetrain system, including engine, transmission, differential, and driveline components. Ideal for technicians and enthusiasts seeking accurate performance and maintenance data.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the drivetrain specifications for the 2017-Present BMW 550I, including key features, measurements, and technical details

How to Use

Use the search function to locate specific drivetrain specifications by entering keywords such as 'transmission type', 'engine torque', or 'driveshaft length'.

Navigate through the drivetrain documentation sections using the table of contents or by scrolling through the document. Each section is clearly labeled for easy access.

Key Specifications

Engine Power

456 hp (340 kW)

Torque

480 lb-ft (650 Nm)

Transmission

8-speed automatic

Braking Distance

35 meters (115 feet)

Turning Circle

12.4 meters (40.7 feet)

Available Specifications

Engine and Transmission

Details about the engine and transmission components, including specifications and performance metrics

Engine Specifications

4.4L TwinPower Turbo V8 engine
Maximum power output: 456 hp (340 kW) at 5500-6000 rpm
Peak torque: 480 lb-ft (650 Nm) at 1800-4500 rpm
Direct injection and Valvetronic variable valve timing

Transmission Details

8-speed Steptronic Sport automatic transmission
Adaptive transmission control with shift paddles
Integrated launch control system
Gear ratios optimized for performance and efficiency

Note: The transmission features a torque converter for smooth power delivery.

Driveshaft and Differential

Technical details about the driveshaft and differential components, including materials and performance characteristics

Driveshaft Specifications

Carbon fiber reinforced driveshaft for reduced weight
Length: 1.5 meters (59 inches)
Designed to handle up to 650 Nm of torque
Balanced for minimal vibration at high speeds

Differential Details

Electronic Limited-Slip Differential (eLSD)
Active torque vectoring for improved cornering
Differential ratio: 3.15:1
Integrated cooling system for high-performance driving

Note: The eLSD enhances traction and stability during dynamic driving conditions.

Suspension and Steering

Information about the suspension and steering systems, including alignment and handling specifications

Suspension System

Adaptive M Suspension with Dynamic Damper Control
Front suspension: Double-wishbone with air springs
Rear suspension: Multi-link with air springs
Ride height adjustable by 20 mm (0.8 inches)

Steering System

Electric Power Steering (EPS) with variable assist
Steering ratio: 15.4:1
Turning circle: 12.4 meters (40.7 feet)
Integrated Active Steering for improved maneuverability

Note: The EPS system provides precise feedback and reduces energy consumption.

Braking System

Details about the braking system, including components and performance metrics

Brake Components

Ventilated disc brakes front and rear
Front brake disc diameter: 374 mm (14.7 inches)
Rear brake disc diameter: 345 mm (13.6 inches)
6-piston fixed calipers at the front

Braking Performance

100-0 km/h (62-0 mph) braking distance: 35 meters (115 feet)
Integrated Dynamic Brake Control (DBC)
Anti-lock Braking System (ABS) with Cornering Brake Control (CBC)
Regenerative braking for hybrid models

Note: The braking system is designed for high-performance and safety under all conditions.

Search Specifications

Search by specification name, value, or description

Component Specifications

Engine

Type: N63B44O1 TwinPower Turbo V8

Displacement: 4.4 L

Compression Ratio: 10.0:1

Max Power: 456 hp @ 5500-6000 rpm

Max Torque: 480 lb-ft @ 1800-4500 rpm

Fuel System: Direct Injection

Part Number: 11002407901

Transmission

Type: 8-Speed Automatic (GA8HP75Z)

Gear Ratios: 1st: 4.714:1
2nd: 3.143:1
3rd: 2.106:1
4th: 1.667:1
5th: 1.285:1
6th: 1.000:1
7th: 0.839:1
8th: 0.667:1
Reverse: 3.317:1

Part Number: 24008622901

Transfer Case

Type: All-Wheel Drive (xDrive)

Torque Split: 40:60 (Front:Rear)

Part Number: 27108659987

Differential

Front: Type: Open Differential
Gear Ratio: 3.15:1
Part Number: 33107565521

Rear: Type: Limited Slip Differential
Gear Ratio: 2.81:1
Part Number: 33107565522

Driveshaft

Material: Carbon Fiber Reinforced Polymer

Length: 72.5 in

Part Number: 26108659945

Axles

Front: Type: CV Joint
Part Number: 31207565531

Rear: Type: CV Joint
Part Number: 31207565532

Clutch

Type: Torque Converter

Lockup Speed: 1800 rpm

Part Number: 24008622902

Cooling System

Engine Coolant Capacity: 12.5 L

Transmission Coolant Capacity: 4.0 L

Coolant Type: BMW Antifreeze/Coolant

Part Number: 83192468445

Lubrication

Engine Oil Capacity: 9.5 L

Transmission Oil Capacity: 7.5 L

Differential Oil Capacity: 1.2 L

Oil Type: BMW TwinPower Turbo 5W-30

Part Number: 83192468446

Operational Limits

Max Engine Rpm: 7000 rpm

Max Transmission Temp: 250°F

Max Differential Temp: 300°F

Service Information Service

Detailed service requirements and schedules

10000

Engine oil and filter change
Inspect brake system
Check coolant level

Use only BMW-approved fluids and parts

30000

Replace air filter
Inspect drive belts
Check transmission fluid level

Inspect for leaks and wear

60000

Replace spark plugs
Replace transmission fluid
Inspect differential fluid

Perform full drivetrain inspection

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of drivetrain does the 2017-Present BMW 550i use?

The 2017-Present BMW 550i features an xDrive all-wheel-drive (AWD) system as standard. This system uses a rear-biased torque distribution, typically sending 40% of power to the front wheels and 60% to the rear wheels, with dynamic adjustments based on driving conditions.

What is the transmission specification for the BMW 550i?

The BMW 550i is equipped with an 8-speed Steptronic Sport automatic transmission. This transmission supports manual shifting via paddle shifters and is designed for smooth, responsive gear changes. It also includes adaptive shift logic to optimize performance based on driving style.

What is the torque capacity of the drivetrain in the BMW 550i?

The drivetrain in the BMW 550i is designed to handle up to 650 Nm (479 lb-ft) of torque, which is the maximum torque output of the 4.4-liter TwinPower Turbo V8 engine. This ensures robust performance under high-load conditions.

How does the xDrive system improve handling in the BMW 550i?

The xDrive system in the BMW 550i continuously monitors road conditions and adjusts torque distribution between the front and rear axles to enhance traction, stability, and cornering performance. It works in conjunction with Dynamic Stability Control (DSC) to provide optimal handling in all weather conditions.

What maintenance is required for the drivetrain components?

Regular maintenance for the drivetrain includes checking and replacing the transfer case fluid every 50,000 miles, inspecting the driveshaft and CV joints for wear, and ensuring the differential fluid is replaced as per BMW's recommended service intervals. Always use BMW-approved fluids and parts.

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 xDrive System Overview

Coming Soon

Detailed technical guide on the xDrive all-wheel-drive system, including its operation, benefits, and maintenance requirements.

8-Speed Steptronic Transmission Manual

Coming Soon

Official BMW manual for the 8-speed Steptronic Sport automatic transmission, covering operation, troubleshooting, and service procedures.

Drivetrain Maintenance Schedule

Coming Soon

Comprehensive maintenance schedule for the BMW 550i drivetrain, including fluid changes, inspections, and part replacements.

BMW Genuine Parts Catalog

Coming Soon

Access the official BMW parts catalog to find genuine drivetrain components and ensure compatibility and performance.

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