BMW ASA Bolt – 11317797516 (Timing Chain Sprocket Bolt)

Quick Info

Genuine BMW ASA bolt used in timing chain assemblies on BMW diesel engines.
Commonly fitted to timing sprockets and guide rail components.

Description

BMW 11317797516 is an OEM timing assembly bolt used across BMW modular diesel engines.

Designed for high-load timing system applications, this ASA bolt secures timing sprockets and related components while maintaining correct clamping force under vibration and engine load.

Commonly replaced during timing chain repairs and engine rebuilds.

Fitment

Engines:

• N47 2.0D
• N57 3.0D
• B47 2.0D
• B57 3.0D

⚠️ Some MINI diesel applications also use this bolt.

Common Models

• E90 / E91 320d
• F30 320d / 330d / 335d
• F10 / F11 530d / 535d
• G30 520d / 530d
• F15 / G05 X5 diesel
• MINI Cooper D

Part Numbers

• BMW: 11317797516
• BMW: 11 31 7 797 516

Technical Details

• Type: ASA timing bolt
• Thread size: M7x17.3
• Position: Timing chain assembly
• Head type: Male Torx

Notes

• Genuine BMW timing hardware
• Commonly replaced during timing chain service
• Used on modular BMW diesel timing systems

Important

❗ Not a timing chain kit
❗ Not reusable in many repair procedures
❗ Always follow BMW torque specifications

Common reasons for replacement

• Timing chain repair
• Damaged or stretched original hardware
• Preventative replacement during rebuilds

Fitment Summary

✔️ N47 / N57
✔️ B47 / B57
✔️ BMW + MINI diesel applications
❌ Not for M57 engines