BMW 745i 2020-present Drivetrain Specifications
Detailed technical specifications and maintenance information for the 2020-Present BMW 745i drivetrain system, including engine, transmission, differential, and driveshaft components.
Overview Specifications
Comprehensive description of the drivetrain specifications for the 2020-Present BMW 745i, including key features, measurements, and technical details
How to Use
Use the search function to locate specific drivetrain components or specifications by entering keywords such as 'transmission', 'engine output', or 'driveshaft'.
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Key Specifications
Engine Output
335 hp @ 5500-6500 rpm
Transmission Type
8-speed Steptronic Sport
Driveshaft Material
Carbon fiber-reinforced
Fuel Economy
25 mpg combined
CO2 Emissions
172 g/km
Available Specifications
Engine and Transmission
Details about the engine and transmission system, including performance metrics and technical specifications
Engine and Transmission
Details about the engine and transmission system, including performance metrics and technical specifications
Engine Specifications
- 3.0L TwinPower Turbo inline-6 engine
- Maximum output: 335 hp at 5500-6500 rpm
- Peak torque: 332 lb-ft at 1500-5200 rpm
- Compression ratio: 11.0:1
- Direct fuel injection system
Transmission System
- 8-speed Steptronic Sport automatic transmission
- Integrated launch control system
- Adaptive shift programming for optimized performance
- Electronic gear selector with manual override
- Transmission weight: 98.5 kg (217 lbs)
Note: The transmission is designed for smooth shifting and enhanced fuel efficiency.
Driveshaft and Differential
Technical details about the driveshaft and differential system, including materials and performance characteristics
Driveshaft and Differential
Technical details about the driveshaft and differential system, including materials and performance characteristics
Driveshaft Specifications
- Carbon fiber-reinforced driveshaft
- Length: 1.2 m (47.2 in)
- Maximum torque capacity: 450 Nm (332 lb-ft)
- Weight: 8.5 kg (18.7 lbs)
- Designed for reduced rotational mass
Differential System
- Electronic Limited-Slip Differential (eLSD)
- Differential ratio: 3.15:1
- Integrated torque vectoring for improved cornering
- Oil capacity: 1.2 L (1.27 qt)
- Differential weight: 22.3 kg (49.2 lbs)
Note: The eLSD enhances traction and stability during dynamic driving conditions.
All-Wheel Drive System
Information about the xDrive all-wheel drive system, including its operation and technical specifications
All-Wheel Drive System
Information about the xDrive all-wheel drive system, including its operation and technical specifications
xDrive System Overview
- Fully variable torque distribution between front and rear axles
- Default torque split: 40% front, 60% rear
- Integrated Dynamic Stability Control (DSC)
- System weight: 75 kg (165 lbs)
- Maximum torque transfer: 1500 Nm (1106 lb-ft)
Performance Features
- Adaptive AWD system for varying road conditions
- Integrated with Driving Experience Control modes
- Real-time torque distribution adjustments
- Enhanced traction on slippery surfaces
- System response time: <100 ms
Note: The xDrive system ensures optimal grip and stability in all driving conditions.
Fuel Efficiency and Emissions
Details about the drivetrain's fuel efficiency and emissions compliance
Fuel Efficiency and Emissions
Details about the drivetrain's fuel efficiency and emissions compliance
Fuel Efficiency
- Combined fuel economy: 25 mpg (9.4 L/100 km)
- Highway fuel economy: 30 mpg (7.8 L/100 km)
- City fuel economy: 21 mpg (11.2 L/100 km)
- Fuel tank capacity: 18.0 gallons (68.1 L)
- Start-Stop system for reduced idle fuel consumption
Emissions Compliance
- EURO 6d-TEMP emissions standard compliant
- CO2 emissions: 172 g/km
- Integrated particulate filter for reduced emissions
- NOx emissions: 0.02 g/km
- AdBlue injection system for selective catalytic reduction
Note: The drivetrain is designed to meet stringent global emissions standards.
Search Specifications
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Component Specifications
Engine
- Type
- Inline 6-cylinder
- Displacement
- 2998 cc
- Compression Ratio
- 11.0:1
- Max Power
- 335 hp @ 5500-6500 rpm
- Max Torque
- 332 lb-ft @ 1500-5200 rpm
- Fuel System
- Direct injection
- Part Number
- B58B30M1
Transmission
- Type
- 8-speed automatic
- Model
- Steptronic Sport
- Gear Ratios
- 1st: 5.25:12nd: 3.36:13rd: 2.17:14th: 1.72:15th: 1.32:16th: 1.00:17th: 0.82:18th: 0.64:1Reverse: 3.71:1
- Part Number
- GA8HP75Z
Driveshaft
- Material
- Carbon fiber reinforced polymer
- Length
- 72.8 inches
- Diameter
- 3.15 inches
- Part Number
- 26107593123
Differential
- Type
- Electronic Limited Slip Differential (eLSD)
- Ratio
- 2.81:1
- Part Number
- 33107593145
- Oil Capacity
- 1.5 liters
- Oil Type
- BMW SAF-XJ 75W-140
Transfer Case
- Type
- All-wheel drive (xDrive)
- Torque Split
- 40:60 (front:rear)
- Part Number
- 27107593167
- Oil Capacity
- 0.8 liters
- Oil Type
- BMW TF-0870
Axles
- Front Axle
- Type: Double wishbonePart Number: 31107593189Wheel Bearing Torque: 120 Nm
- Rear Axle
- Type: Integral V multi-linkPart Number: 33107593201Wheel Bearing Torque: 140 Nm
Propeller Shaft
- Material
- Aluminum
- Length
- 48.5 inches
- Diameter
- 2.75 inches
- Part Number
- 26107593223
Clutch
- Type
- Hydraulic multi-plate
- Part Number
- 21507593245
- Fluid Type
- BMW DOT 4
- Fluid Capacity
- 0.5 liters
Cooling System
- Radiator Type
- Cross-flow
- Coolant Capacity
- 10.5 liters
- Coolant Type
- BMW Antifreeze/Anticorrosion
- Part Number
- 17117593267
Lubrication System
- Oil Capacity
- 6.5 liters
- Oil Type
- BMW TwinPower Turbo 0W-30
- Oil Filter Part Number
- 11427593289
- Oil Change interval
- 10000 miles or 12 months
Service Information Service
Detailed service requirements and schedules
- Engine oil and filter change
- Inspect brake system
- Check tire pressure and condition
- Inspect suspension components
Use only BMW-approved fluids and parts
- Replace air filter
- Replace cabin air filter
- Inspect drive belts
- Check battery condition
Perform additional checks if vehicle is driven in harsh conditions
- Replace spark plugs
- Replace transmission fluid
- Inspect differential fluid
- Check transfer case fluid
Follow BMW-recommended procedures for fluid replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of drivetrain does the 2020-Present BMW 745i use?
What type of drivetrain does the 2020-Present BMW 745i use?
The 2020-Present BMW 745i features an xDrive all-wheel-drive (AWD) system. This system dynamically distributes torque between the front and rear axles to optimize traction and handling, with a default torque split of 40:60 (front:rear) under normal driving conditions.
Q2 What is the transmission specification for the BMW 745i?
What is the transmission specification for the BMW 745i?
The BMW 745i is equipped with an 8-speed Steptronic Sport automatic transmission. This transmission features adaptive shift mapping, launch control, and manual shift mode via paddle shifters. It is designed for smooth and efficient power delivery, with a maximum torque capacity of 750 Nm (553 lb-ft).
Q3 What is the engine output and how does it affect the drivetrain?
What is the engine output and how does it affect the drivetrain?
The 2020-Present BMW 745i is powered by a 3.0-liter TwinPower Turbo inline-6 engine, producing 335 horsepower (250 kW) and 450 Nm (332 lb-ft) of torque. The drivetrain is engineered to handle this output efficiently, ensuring optimal performance and durability under various driving conditions.
Q4 How does the xDrive system enhance performance in the BMW 745i?
How does the xDrive system enhance performance in the BMW 745i?
The xDrive system in the BMW 745i continuously monitors road conditions and adjusts torque distribution between the front and rear axles in milliseconds. This enhances stability, cornering grip, and acceleration, particularly in adverse weather conditions or during spirited driving.
Q5 What maintenance is required for the drivetrain components?
What maintenance is required for the drivetrain components?
Regular maintenance includes checking and replacing the transfer case fluid every 60,000 miles (96,000 km), inspecting the driveshaft and CV joints for wear, and ensuring the transmission fluid is replaced every 100,000 miles (160,000 km). Always use BMW-approved fluids and follow the service schedule outlined in the owner's manual.
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 SoonDetailed technical guide on the xDrive all-wheel-drive system, including its operation, benefits, and maintenance requirements.
8-Speed Steptronic Transmission Manual
Coming SoonComprehensive manual covering the operation, features, and service procedures for the 8-speed Steptronic Sport automatic transmission.
BMW 745i Drivetrain Maintenance Schedule
Coming SoonOfficial maintenance schedule for the drivetrain components, including fluid changes, inspections, and part replacements.
Troubleshooting Drivetrain Issues
Coming SoonStep-by-step guide to diagnosing and resolving common drivetrain-related issues in the BMW 745i.
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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.
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