BMW 650i 2003-2010 Drivetrain Specifications
Detailed technical specifications and maintenance guide for the drivetrain system of the 2003-2010 BMW 650I. Includes engine, transmission, driveshaft, and differential specifications, torque values, fluid capacities, and troubleshooting tips.
Overview Specifications
Comprehensive description of the drivetrain specifications for the 2003-2010 BMW 650I, 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 type', 'final drive ratio', or 'torque specifications'.
Navigate through the drivetrain documentation by selecting the relevant section from the table of contents. Each section is organized by major components and includes subsections for detailed specifications.
Key Specifications
Transmission Type
6-speed automatic (6HP19Z)
Final Drive Ratio
3.62:1 (standard)
Driveshaft Length
1,250 mm (49.2 in)
Maximum Torque Capacity
580 Nm (428 lb-ft)
Transfer Case Torque Split
40% front / 60% rear
Available Specifications
Transmission System
Details about the transmission system, including type, gear ratios, and technical specifications
Transmission System
Details about the transmission system, including type, gear ratios, and technical specifications
Transmission Type
- 6-speed automatic transmission (6HP19Z)
- Optional 6-speed manual transmission
- Electronically controlled with adaptive shift logic
- Torque converter with lock-up clutch
Gear Ratios
- 1st gear: 4.17:1
- 2nd gear: 2.34:1
- 3rd gear: 1.52:1
- 4th gear: 1.14:1
- 5th gear: 0.87:1
- 6th gear: 0.69:1
- Reverse gear: 3.40:1
Note: Gear ratios are optimized for performance and fuel efficiency.
Final Drive
Specifications and details about the final drive system, including differential type and ratio
Final Drive
Specifications and details about the final drive system, including differential type and ratio
Differential Type
- Limited-slip differential (LSD)
- Electronically controlled differential lock
- Integrated into the rear axle assembly
Final Drive Ratio
- Standard ratio: 3.62:1
- Optional sport ratio: 3.91:1
- Optimized for balanced performance and traction
Note: The final drive ratio affects acceleration and top speed.
Driveshaft and Axles
Technical details about the driveshaft and axle components, including materials and torque capacity
Driveshaft and Axles
Technical details about the driveshaft and axle components, including materials and torque capacity
Driveshaft Specifications
- Two-piece aluminum driveshaft
- Length: 1,250 mm (49.2 in)
- Maximum torque capacity: 580 Nm (428 lb-ft)
- Balanced for smooth operation at high speeds
Axle Specifications
- Forged steel half-shafts
- Diameter: 32 mm (1.26 in)
- Spline count: 32
- Designed for high torque and durability
Note: Axles are engineered to handle the vehicle's power output efficiently.
Transfer Case (xDrive Models)
Details about the transfer case for all-wheel-drive (xDrive) models, including torque distribution and operation
Transfer Case (xDrive Models)
Details about the transfer case for all-wheel-drive (xDrive) models, including torque distribution and operation
Transfer Case Type
- Electronically controlled multi-plate clutch
- Default torque split: 40% front / 60% rear
- Dynamic torque distribution based on driving conditions
Technical Specifications
- Maximum torque capacity: 700 Nm (516 lb-ft)
- Weight: 28 kg (61.7 lbs)
- Integrated with DSC (Dynamic Stability Control)
Note: The transfer case enhances traction and stability in all driving conditions.
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Engine
- Type
- N62B44 V8
- Displacement
- 4.4 L
- Compression Ratio
- 10.5:1
- Max Power
- 325 hp @ 6100 rpm
- Max Torque
- 330 lb-ft @ 3600 rpm
- Fuel System
- Direct injection
- Part Number
- 11007838375
Transmission
- Type
- 6-speed automatic (ZF 6HP26)
- Gear Ratios
- 1st: 4.17:12nd: 2.34:13rd: 1.52:14th: 1.14:15th: 0.87:16th: 0.69:1Reverse: 3.40:1
- Fluid Capacity
- 9.5 L
- Fluid Type
- BMW ATF LT2
- Part Number
- 24007522861
Transfer Case
- Type
- Electronic differential
- Gear Ratio
- 2.81:1
- Fluid Capacity
- 1.2 L
- Fluid Type
- BMW TF0870
- Part Number
- 27107539281
Differential
- Front
- Type: Open differentialGear Ratio: 3.08:1Fluid Capacity: 1.1 LFluid Type: BMW SAF-XOPart Number: 33107539282
- Rear
- Type: Limited-slip differentialGear Ratio: 2.93:1Fluid Capacity: 1.3 LFluid Type: BMW SAF-XOPart Number: 33107539283
Driveshaft
- Material
- Aluminum
- Length
- 1.8 m
- Diameter
- 80 mm
- Part Number
- 26107539284
Axles
- Front
- Type: CV jointTorque Capacity: 330 lb-ftPart Number: 31207539285
- Rear
- Type: CV jointTorque Capacity: 330 lb-ftPart Number: 31207539286
Clutch
- Type
- Torque converter
- Diameter
- 280 mm
- Material
- Ceramic
- Part Number
- 21507539287
Propeller Shaft
- Material
- Steel
- Length
- 1.5 m
- Diameter
- 70 mm
- Part Number
- 26107539288
Mounts
- Engine
- Type: HydraulicPart Number: 22107539289
- Transmission
- Type: HydraulicPart Number: 22107539290
Operational Parameters
- Max Rpm
- 6500 rpm
- Max Speed
- 155 mph (electronically limited)
- Towing Capacity
- 2000 kg
- Payload Capacity
- 500 kg
Service Information Service
Detailed service requirements and schedules
- Engine oil and filter change
- Transmission fluid check
- Differential fluid check
- Driveshaft inspection
- Axle boot inspection
Use only BMW-approved fluids and parts
- Transmission fluid change
- Transfer case fluid change
- Differential fluid change
- Driveshaft lubrication
- Axle joint lubrication
Inspect for leaks and wear
- Clutch inspection
- Propeller shaft inspection
- Mounts inspection
- Full drivetrain alignment check
Replace worn components as necessary
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of drivetrain does the 2003-2010 BMW 650i use?
What type of drivetrain does the 2003-2010 BMW 650i use?
The 2003-2010 BMW 650i features a rear-wheel-drive (RWD) system with an optional all-wheel-drive (xDrive) variant. The drivetrain includes a 6-speed automatic transmission (6HP26) paired with a 4.8-liter N62 V8 engine, delivering 360 horsepower and 360 lb-ft of torque.
Q2 What is the recommended service interval for the drivetrain components?
What is the recommended service interval for the drivetrain components?
BMW recommends inspecting the drivetrain components, including the transmission, driveshaft, and differential, every 30,000 miles or 3 years, whichever comes first. Transmission fluid and filter should be replaced every 60,000 miles to ensure optimal performance.
Q3 What is the gear ratio of the differential in the BMW 650i?
What is the gear ratio of the differential in the BMW 650i?
The standard final drive ratio for the 2003-2010 BMW 650i is 3.15:1 for models equipped with the 6-speed automatic transmission. This ratio ensures a balance of acceleration and fuel efficiency.
Q4 How do I identify drivetrain issues in my BMW 650i?
How do I identify drivetrain issues in my BMW 650i?
Common signs of drivetrain issues include unusual noises (e.g., clunking or whining), vibrations during acceleration, difficulty shifting gears, or fluid leaks. If any of these symptoms occur, it is recommended to have the vehicle inspected by a certified BMW technician.
Q5 Can I upgrade the drivetrain components for better performance?
Can I upgrade the drivetrain components for better performance?
Yes, performance upgrades such as aftermarket limited-slip differentials, reinforced driveshafts, and upgraded transmission software are available. However, modifications may void the vehicle's warranty and should be performed by a professional to ensure compatibility and safety.
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 650i Drivetrain Service Manual
Coming SoonOfficial service manual for the 2003-2010 BMW 650i drivetrain, including detailed repair procedures and specifications.
Drivetrain Maintenance Guide
Coming SoonComprehensive guide on maintaining the drivetrain components, including fluid changes, inspections, and troubleshooting tips.
Performance Upgrades for BMW 650i
Coming SoonExplore performance-enhancing upgrades for the drivetrain, such as differentials, driveshafts, and transmission tuning.
Common Drivetrain Issues and Solutions
Coming SoonA detailed resource addressing common drivetrain problems in the BMW 650i and recommended solutions.
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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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