BMW 528i 2011-2016 2.0L Engine Bolt Torque Specifications & Fastener Values
BMW 528i 2011-2016

BMW 528i 2011-2016 2.0L Engine Bolt Torque Specifications

Comprehensive guide to bolt torque specifications for the 2.0L N20 engine found in the 2011-2016 BMW 528i (F10/F11) models. Includes torque values for cylinder head, main bearing caps, connecting rods, and more.

Updated

Important Information

Safety guidelines and reference information for proper torque application

Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083

Common Torque Patterns

Star Pattern

Used for wheels and other circular bolt patterns

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

Common Mistakes to Avoid

Over-tightening

Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.

Prevention:

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.

Prevention:

Follow the manufacturer's specified torque sequence pattern.

Dirty Threads

Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.

Prevention:

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.

Prevention:

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.

Prevention:

Check if specs are for dry or lubricated threads. Use specified lubricant when required.

Recommended Tools

Torque Wrench (1/4" Drive)

Range: 2-25 ft-lbs
Small fasteners, delicate components

Torque Wrench (3/8" Drive)

Range: 10-100 ft-lbs
Most common automotive fasteners

Torque Wrench (1/2" Drive)

Range: 30-250 ft-lbs
Large fasteners, wheels

Angle Gauge

Torque-to-yield (TTY) bolts

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

Cylinder Head

Specifications for bolts and fasteners related to the cylinder head assembly, including head bolts and related components.

1

Cylinder Head Bolts

M12 x 1.75
Important Notes
Torque to 23 ft-lbs (31 N·m) first, then torque an additional 90 degrees, then an additional 90 degrees. Follow the correct torque sequence.
2

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Ensure rocker arms are correctly positioned before tightening. Torque evenly.
3

Camshaft Position Sensor Bolt

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure sensor is correctly aligned before tightening. Estimated value.
4

Variable Valve Timing (VANOS) Solenoid Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure solenoids are correctly positioned before tightening. Estimated value.
5

Camshaft Sprocket Bolt

M10 x 1.5
Torque Value
55 ft-lbs (75 N·m)
Important Notes
Ensure proper alignment of the sprocket and camshaft before tightening.

Crankcase

Specifications for bolts related to the engine block, crankshaft, and related components.

1

Main Bearing Bolts

M12 x 1.5
Important Notes
Torque to 30 ft-lbs (40 N·m) first, then torque an additional 90 degrees. Follow the correct torque sequence.
2

Connecting Rod Nuts

M9 x 1.25
Important Notes
Torque to 20 ft-lbs (27 N·m) first, then torque an additional 60 degrees. Follow the correct torque sequence.
3

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 1.5
Torque Value
81 ft-lbs (110 N·m)
Important Notes
Ensure the pulley is seated correctly against the crankshaft flange before tightening.
4

Crankshaft Position Sensor Bolt

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure sensor is correctly aligned before tightening. Estimated value.
5

Knock Sensor Bolt

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Ensure the sensor is clean and making good contact with the block. Estimated value.

Lubrication System

Specifications for bolts related to the engine's lubrication system.

1

Oil Pan Bolts

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Tighten bolts in a criss-cross pattern to ensure even seal pressure. Use a new gasket.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Use a new sealing washer when installing to ensure a leak-free seal.
3

Oil Filter Housing Bolt

M8 x 1.25
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Ensure the oil filter housing is properly aligned before tightening.
4

Oil Pressure Sensor Bolt/Stud

M10 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Ensure sensor is correctly aligned before tightening. Estimated value.

Cooling System

Specifications for bolts related to the engine's cooling system.

1

Water Pump Bolts

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Tighten bolts in a criss-cross pattern to ensure even pressure. Use a new gasket.
2

Water Pump Pulley Bolts

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Ensure pulley is aligned correctly on the water pump before tightening.
3

Thermostat Housing Bolts

M6 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Ensure the housing is properly aligned before tightening. Use a new gasket.

Intake Exhaust System

Specifications for bolts related to the intake and exhaust systems.

1

Throttle Body Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure a good seal between throttle body and intake manifold. Tighten evenly.
2

Intake Manifold Bolts

M8 x 1.25
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Tighten bolts in a criss-cross pattern to ensure even seal pressure. Use a new gasket.
3

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Value
23 ft-lbs (31 N·m)
Important Notes
Use a new exhaust manifold gasket. Tighten in a specific sequence (check manual).
4

EGR Valve Bolts

M6 x 1.0
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Ensure a proper seal between the EGR valve and mounting surface. Tighten evenly.

Fuel System

Specifications for bolts related to the fuel system components.

1

Fuel Rail Bolts

M6 x 1.0
Torque Value
9 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the fuel rail. Tighten bolts evenly.
2

Fuel Injector Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure injectors are properly seated. Tighten evenly.

Electrical System

Specifications for bolts related to the engine's electrical components.

1

Ignition Coil Bolt

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure coil is correctly positioned and fully seated. Tighten evenly.
2

Spark Plugs

M14 x 1.25
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Use a spark plug socket to prevent damage. Do not over-tighten.

Other

Specifications for bolts that don't fit into other specific categories.

1

Flywheel Bolts

M12 x 1.5
Torque Value
65 ft-lbs (88 N·m)
Important Notes
Ensure flywheel is correctly aligned and seated. Use a thread locker if required.
2

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Ensure the tensioner is in the correct position before tightening. Consult the repair manual for the correct procedure.
3

Valve Cover Bolts

M6 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Tighten bolts in a criss-cross pattern to ensure even seal pressure. Use a new gasket.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

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

1

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
2

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
3

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

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 are proper torque specifications important for my 2.0L BMW engine?

Using the correct torque ensures even clamping force, preventing leaks, component damage, and bolt failure. Over-tightening can stretch or break bolts, while under-tightening can lead to loosening and leaks. These specifications are engineered for optimal performance and component longevity.

Q2

What happens if I over-torque a bolt?

Over-torquing can damage the threads in the engine block or the bolt itself, causing them to stretch, weaken, or even snap. This can necessitate costly repairs, including potential engine block replacement, if damage is significant.

Q3

Can I reuse bolts after removing them, especially on critical components?

It depends on the bolt type. Torque-to-yield (TTY) bolts, commonly used on cylinder heads, MUST be replaced each time they are removed. Reusing TTY bolts will compromise clamping force and lead to catastrophic engine failure. For other bolts, inspect for damage or stretching and replace them when in doubt. Refer to BMW documentation for each individual component.

Q4

What tools do I need to properly torque the engine bolts?

A calibrated torque wrench is essential. Use one that covers the torque range specified for the bolt you're tightening. You may also need various sockets, extensions, and possibly an angle gauge for TTY bolts. An example would be using a 3/8" drive torque wrench to tighten the engine oil pan bolts and a 1/2" drive to tighten the exhaust manifold.

Q5

How often should I check the torque on engine bolts?

Generally, you don't need to routinely check bolt torque unless a specific repair requires it. However, after performing any engine work involving bolt removal and reinstallation, it's good practice to re-check torque after initial running to ensure proper seating, generally after a 100 mile break-in.

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

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

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

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 calibrated torque wrench is essential for accurately tightening bolts to specified torque values.

  • Adjustable torque range suitable for engine components
  • Click-type or digital readout for precise measurement
Learn more

Torque Wrench (3/8" Drive)

A smaller torque wrench for bolts in more confined areas of the engine.

  • Suitable for smaller bolts and lower torque specifications
  • Smaller head for access in tight areas
Learn more

Socket Set (Metric)

A comprehensive set of metric sockets to fit various bolt head sizes on the engine.

  • Various socket sizes (e.g., 8mm, 10mm, 13mm, 16mm, 17mm, 19mm)
  • Standard and deep socket options for different bolt locations
Learn more

Socket Extensions

Extension bars to allow access to bolts located in recessed or difficult-to-reach areas.

  • Various lengths to suit different access needs
  • Durable construction for reliable torque application
Learn more

Universal Joint

A universal joint allows torque to be applied at an angle when a straight socket is not possible.

  • Enables angled torque application
  • Durable construction for reliable operation
Learn more
Service Procedures

Cylinder Head Bolt Tightening Procedure (2.0L)

Procedure for tightening the cylinder head bolts on the N20 2.0L engine in a 2011-2016 BMW 528i. Always refer to the specific repair manual for the exact torque settings and sequences

  • Ensure all mating surfaces are clean and free of debris.
  • Install the new cylinder head gasket and place the cylinder head onto the engine block.
  • Install all cylinder head bolts and hand-tighten them.
  • Tighten the bolts to the first stage torque specification (typically 20-30 Nm) using the correct sequence.
  • Tighten the bolts to the second stage torque specification (typically 60-70 Nm) using the correct sequence.
  • Perform the final angle tightening (typically 90 degrees) using the correct sequence.
View full procedure

Camshaft Bearing Cap Bolt Tightening Procedure (2.0L)

Procedure for tightening the camshaft bearing cap bolts on the N20 2.0L engine. Always refer to the specific repair manual for the exact torque settings and sequences

  • Ensure the camshaft journals and bearing caps are clean.
  • Install the camshafts into the cylinder head and place the bearing caps over the journals.
  • Install all bearing cap bolts and hand tighten them.
  • Tighten the bearing cap bolts in the correct sequence to the specified torque value (typically 10-15Nm)
  • Check for proper camshaft rotation after tightening to ensure no binding.
View full procedure

Oil Pan Bolt Tightening Procedure (2.0L)

Procedure for tightening the oil pan bolts on the N20 2.0L engine. Always refer to the specific repair manual for the exact torque settings and sequences

  • Ensure the oil pan and engine block mating surfaces are clean and free of debris.
  • Install the new oil pan gasket.
  • Install the oil pan and hand tighten all bolts.
  • Tighten all oil pan bolts to the correct torque value in a cross tightening pattern (typically 10-15 Nm).
  • Inspect for proper sealing after tightening.
View full procedure

Intake Manifold Bolt Tightening Procedure (2.0L)

Procedure for tightening the intake manifold bolts on the N20 2.0L engine. Always refer to the specific repair manual for the exact torque settings and sequences

  • Ensure the intake manifold and cylinder head mating surfaces are clean.
  • Install the new intake manifold gasket.
  • Install the intake manifold and hand tighten all bolts.
  • Tighten all intake manifold bolts to the correct torque value using a cross tightening pattern (typically 10-15 Nm).
  • Ensure proper seal after tightening.
View full procedure
Technical Service Bulletins

BMW Technical Service Bulletin: N20 Engine Oil Leaks from Oil Filter Housing

2015-05-12

This bulletin addresses oil leaks originating from the oil filter housing on N20 engines. It specifies torque settings for bolts on the oil filter housing to ensure proper sealing.

2012-2016 BMW 528i (with N20 engine)

Resolution: Replace oil filter housing gasket, ensure mating surfaces are clean, and tighten bolts to specified torque (typically 25 Nm)

BMW Technical Service Bulletin: N20 Engine - Cylinder Head Bolt Torque Specification Revision

2013-09-20

This bulletin revised the torque specification for the cylinder head bolts on the N20 engine. The procedure for tightening has been revised, along with specific angles that are not the same as original specs.

2011-2015 BMW 528i (with N20 engine)

Resolution: Follow updated torque and angle tightening sequence. Discard old torque values and refer to the updated document

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

Automotive Technical Specialist

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