BMW M5 2005-2010 Getrag Transmission Torque Specifications
Detailed torque specifications for all Getrag transmission bolts on the 2005-2010 BMW M5 (E60) including bellhousing, case, and related components.
Important Information
Safety guidelines and reference information for proper torque application
Safety First
- Always verify torque specifications with your vehicle's factory service manual
- Use properly calibrated torque wrenches
- Replace all torque-to-yield (TTY) bolts - they are single-use only
- When in doubt, consult a professional mechanic
Quick Reference Guide
Quick Reference Guide
Common Torque Patterns
Star Pattern
Used for wheels and other circular bolt patterns
Cross Pattern
Used for gaskets and cover plates
Sequential Pattern
Used for head bolts and other critical components
Common Mistakes to Avoid
Common Mistakes to Avoid
Over-tightening
Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.
Always use a calibrated torque wrench and follow specifications exactly.
Incorrect Torque Sequence
Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
Clean and inspect all threads before assembly. Use new thread locker if specified.
Reusing TTY Bolts
Torque-to-yield bolts are designed to stretch and must not be reused.
Always replace TTY bolts with new ones. They are single-use only.
Dry vs. Lubricated
Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Torque Wrench (3/8" Drive)
Torque Wrench (1/2" Drive)
Angle Gauge
Torque Wrench Care
- Calibrate annually or after 5,000 clicks
- Store at lowest setting
- Keep clean and lubricated
Search Specifications
Search by component name, bolt size, or description
Torque Calculator
Convert between different torque units
Transmission Mounting
These specifications pertain to the bolts that secure the transmission assembly to the vehicle's chassis or subframe.
1 Transmission Mounting Bolts
M12 x 1.5
Transmission Mounting Bolts
M12 x 1.5Torque Value
Important Notes
Transmission Case
These specifications are for components directly attached to the transmission case, such as the oil pan and drain/fill plugs.
1 Transmission Oil Pan Bolts
M8 x 1.25
Transmission Oil Pan Bolts
M8 x 1.25Torque Value
Important Notes
2 Transmission Drain and Fill Plugs
M22 x 1.5
Transmission Drain and Fill Plugs
M22 x 1.5Torque Value
Important Notes
Bellhousing
These specifications are for securing the transmission bell housing to the engine block.
1 Bell Housing Bolts (M10)
M10 x 1.5
Bell Housing Bolts (M10)
M10 x 1.5Torque Value
Important Notes
2 Bell Housing Bolts (M12)
M12 x 1.75
Bell Housing Bolts (M12)
M12 x 1.75Torque Value
Important Notes
Output Flange
Specifications for securing the output flange or yoke to the transmission.
1 Transmission Output Flange/Yoke Bolts
M10 x 1.5
Transmission Output Flange/Yoke Bolts
M10 x 1.5Torque Value
Important Notes
Shift Linkage
Specifications for securing the shift linkage to the transmission housing.
1 Shift Linkage to Transmission Bolts
M8 x 1.25
Shift Linkage to Transmission Bolts
M8 x 1.25Torque Value
Important Notes
Reverse Switch
Specifications for securing the reverse light switch to the transmission.
1 Reverse Light Switch
M10 x 1.5
Reverse Light Switch
M10 x 1.5Torque Value
Important Notes
Troubleshooting Guide
Common issues, diagnostic steps, and prevention guidelines
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Loose Components
Symptoms:
- Rattling or vibration noises
- Visible movement in components
- Uneven panel gaps
Solutions:
- Clean threads and mounting surfaces
- Replace damaged fasteners
- Apply proper torque in sequence
- Use thread locker if specified
Stripped Fasteners
Symptoms:
- Unable to achieve proper torque
- Fastener spins freely
- Visible thread damage
Solutions:
- Use thread repair kit if appropriate
- Install thread insert (HeliCoil)
- Replace component if threaded hole is damaged
- Upgrade to higher grade fastener if recommended
Overtightened Components
Symptoms:
- Cracked or deformed parts
- Broken fasteners
- Compressed gaskets or seals
Solutions:
- Replace damaged components
- Use new fasteners
- Follow proper torque sequence
- Verify correct torque specifications
Diagnostic Steps
Visual inspection, torque verification, thread assessment
Diagnostic Steps
Visual inspection, torque verification, thread assessment
Visual Inspection
Inspect the affected area for any visible signs of damage or wear
- Check for cracks or deformation
- Look for signs of excessive wear
- Verify proper fastener installation
Torque Verification
Verify the torque applied to the fasteners
- Check the torque wrench calibration
- Verify the torque specification
- Compare the applied torque to the specification
Thread Assessment
Assess the condition of the threads
- Check for signs of thread damage
- Verify the thread type and size
- Check for proper thread engagement
Prevention Guidelines
Best practices, maintenance tips, tool care
Prevention Guidelines
Best practices, maintenance tips, tool care
Best Practices
- Always follow the recommended torque specification
- Use the correct type and size of fasteners
- Verify the torque wrench calibration regularly
Maintenance Tips
- Regularly inspect the affected area for signs of wear or damage
- Replace damaged or worn-out components promptly
- Keep the work area clean and organized
Tool Care
- Regularly clean and maintain the torque wrench
- Store the torque wrench in a dry and secure location
- Verify the torque wrench calibration before each use
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Why is using the correct torque specifications so important for the Getrag transmission?
Why is using the correct torque specifications so important for the Getrag transmission?
Using the correct torque specifications is crucial to ensure proper component clamping force and prevent issues like leaks, premature wear, and component failure. Overtightening can lead to bolt stretching, thread damage, or even component cracking. Undertightening can result in loose fasteners, allowing for movement and eventual failure under stress. In the Getrag 6-speed manual transmission found in the E60 M5, this is especially important due to the high forces and heat it experiences.
Q2 What happens if I don't have a torque wrench?
What happens if I don't have a torque wrench?
While it's strongly recommended to use a torque wrench, especially on precision components like a transmission, you might be tempted not to if you don't have one. If you don't have one, you risk damaging the transmission which is expensive to repair and unsafe. Using a torque wrench ensures that the fasteners are tightened to the manufacturer's exact specifications, guaranteeing proper assembly and preventing damage. Without it you are relying on guesswork, and risk damaging your car. Purchase a torque wrench for a proper and safe install.
Q3 Should I use new bolts when reassembling the Getrag transmission?
Should I use new bolts when reassembling the Getrag transmission?
It is highly recommended to use new bolts, especially torque-to-yield bolts, which are designed to stretch upon installation. Reusing such bolts may not provide the clamping force required and risk failure. While some bolts can technically be reused if in excellent condition, it's best to err on the side of caution, especially considering the labor involved in accessing the transmission. New bolts ensure the highest reliability and safety for the system.
Q4 Do torque specs change with thread lubricant or anti-seize?
Do torque specs change with thread lubricant or anti-seize?
Yes, torque specifications typically change when using thread lubricant or anti-seize. The specified torque values provided by BMW are generally for dry fasteners (no lubricant). Using lubricant can significantly reduce friction, causing the fastener to be overtightened even when the same torque is applied. When using a lubricant, the torque value should be adjusted according to manufacturer guidelines, if available. Generally, it's recommended to reduce torque by approximately 10-20% with lubricants, but it is crucial to consult the lubricant manufacturer's data.
Q5 Are there any differences in torque specs for different areas of the transmission casing?
Are there any differences in torque specs for different areas of the transmission casing?
Yes, there are often different torque specs for various components of the Getrag transmission, even within the casing. For example, the bolts securing the bellhousing to the engine block will have different torque specs compared to the bolts holding the main transmission case together or the drain/fill plugs. Always refer to the BMW technical manual or an equivalent reputable source to find the appropriate torque specifications for each specific fastener in each application.
Environmental Considerations
Temperature, humidity, and seasonal effects on torque specifications
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature can significantly impact torque values and fastener behavior
Cold Weather
Effects:
- Increased material brittleness
- Higher torque required due to thread contraction
- Reduced thread lubricant effectiveness
Recommendations:
- Allow components to warm to room temperature when possible
- Consider using winter-grade thread lubricants
- Check torque values more frequently during winter months
Hot Weather
Effects:
- Thermal expansion of components
- Decreased friction in threads
- Accelerated lubricant breakdown
Recommendations:
- Check torque when components are at normal operating temperature
- Use temperature-resistant thread lockers
- Consider re-torquing after heat cycles
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Moisture and corrosion can affect fastener integrity and torque values
High Humidity
Effects:
- Accelerated corrosion formation
- Reduced friction coefficient
- Potential thread seizing
Prevention:
- Use corrosion-resistant fasteners
- Apply appropriate anti-seize compounds
- Maintain proper protective coatings
Salt Exposure
Effects:
- Rapid corrosion development
- Thread damage
- Seized fasteners
Prevention:
- Regular underbody washing
- Use of sacrificial anodes where appropriate
- Application of protective coatings
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Spring
- Inspect for winter damage
- Clean and protect exposed fasteners
- Check torque on critical components
Summer
- Monitor heat-affected components
- Check expansion-related loosening
- Inspect cooling system mounts
Fall
- Prepare for winter conditions
- Apply corrosion protection
- Verify all fasteners are properly torqued
Winter
- More frequent inspection of critical fasteners
- Check for salt damage
- Monitor suspension component torque
Related Resources
Tools, service procedures, and technical bulletins
Recommended Tools
Torque Wrench (1/2" Drive)
A precision tool for applying specific torque values to fasteners.
- Click-type mechanism for accurate torque setting
- Reversible ratchet head
- Wide torque range suitable for transmission bolts
Torque Wrench (3/8" Drive)
A precision tool for applying specific torque values to smaller fasteners.
- Click-type mechanism for accurate torque setting
- Reversible ratchet head
- Torque range suitable for smaller transmission bolts
Socket Set (1/2" Drive and 3/8" Drive)
Comprehensive set of sockets to fit various bolt head sizes on the transmission.
- Metric sizing for BMW specifications
- Variety of socket depths
- Durable construction for high-torque applications
Extension Bars (1/2" and 3/8" Drive)
To reach recessed bolts and provide clearance.
- Varying lengths for access
- Secure connection to sockets and ratchets
- Durable construction
Universal Joint (1/2" and 3/8" Drive)
To access bolts at an angle.
- Allows for off-angle torque application
- Sturdy construction
Service Procedures
Getrag Transmission Bellhousing Bolt Torque Procedure
Procedure for torquing the bellhousing bolts on a Getrag manual transmission in an E60 M5.
- Clean all bolt threads and mounting surfaces thoroughly.
- Apply a light coating of anti-seize compound to bolt threads (Optional, but recommended).
- Install all bellhousing bolts by hand, turning them a few threads to ensure no cross threading.
- Using a crisscross pattern, torque all bolts to 25 Nm (18 ft-lb).
- Using the same crisscross pattern, increase torque to 50 Nm (37 ft-lb).
- Complete a final pass using a crisscross pattern and torque bolts to 68 Nm (50 ft-lb).
Getrag Transmission Output Flange Bolt Torque Procedure
Procedure for torquing the output flange bolts on a Getrag manual transmission in an E60 M5.
- Clean all bolt threads and mounting surfaces thoroughly.
- Apply a light coating of anti-seize compound to bolt threads (Optional, but recommended).
- Install all output flange bolts by hand, turning them a few threads to ensure no cross threading.
- Torque all bolts to 24 Nm (18 ft-lb).
- Complete a final pass and tighten all bolts to an additional 60 degrees rotation.
Getrag Transmission Fill and Drain Plug Torque Procedure
Procedure for torquing the fill and drain plugs on a Getrag manual transmission in an E60 M5.
- Clean all plug threads and sealing surfaces.
- Install the drain plug with a new crush washer.
- Torque drain plug to 45 Nm (33 ft-lb).
- Install the fill plug with a new crush washer.
- Torque fill plug to 45 Nm (33 ft-lb).
Technical Service Bulletins
Getrag Transmission Noise and Vibration Issues
2008-03-15Addresses reports of unusual noise and vibration originating from the Getrag manual transmission. This bulletin provides possible causes and recommended procedures.
Resolution: Check all transmission mounts and bellhousing bolts for proper torque, inspect for internal transmission wear, and replace the transmission if necessary.
Getrag Transmission Oil Leak Diagnosis and Repair
2007-09-22Details common leak points in the Getrag transmission including output shaft seals, input shaft seals and case gaskets.
Resolution: Inspect all seals and gaskets for damage or wear. Replace any worn components. Check transmission case for damage. Ensure all drain and fill plugs are torqued correctly.
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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.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.