BMW ASA Bolt – 11147797493 (M6x31)

Quick Info

Genuine BMW ASA bolt used on timing case and timing gear housing assemblies.
Factory OE fastening bolt for multiple BMW petrol and diesel engines.

Description

BMW 11147797493 is a genuine ASA bolt (M6x31) used in:

• Timing chain housing
• Timing gear housing
• Front timing cover assemblies

BMW uses this bolt across many modern modular engines because of its controlled clamping characteristics and lightweight ASA design.

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Deep Compatibility Research

Diesel Engines

✔️ N47
✔️ N57
✔️ B47
✔️ B57

Petrol Engines

✔️ B38
✔️ B46 / B48
✔️ B58
✔️ N20
✔️ N55
✔️ S55
✔️ S58

⚠️ Used across many F/G-series BMW platforms.
⚠️ Exact location depends on engine version.

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Common Models

• F10 / F11 535d
• F30 328d / 330d / 340i
• G20 M340i
• F15 X5 35d
• G05 X5 40i
• G01 X3
• G30 540i
• G11 740d / 740i

 

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Part Numbers

• BMW: 11147797493
• BMW: 11 14 7 797 493

Supersedes:

• 11147807176

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Technical Details

• Type: ASA bolt
• Thread: M6x31
• Material: Lightweight steel ASA design
• Position: Timing housing / gear housing

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Important

❗ Not a stretch head bolt
❗ Not an oil pan bolt
❗ Always confirm by VIN for exact placement

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Fitment Summary

✔️ N47 / N57
✔️ B47 / B57
✔️ Multiple BMW modular petrol & diesel engines
✔️ Timing housing applications
❌ Not specific to one engine only