Glyco Main Bearing Set – H1238/7 STD (BMW M57 Diesel)

Quick Info

Standard size crankshaft main bearing set for BMW M57 3.0 diesel engines.
OEM-quality Glyco bearings designed to support the crankshaft and maintain correct oil clearance.

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Description

Glyco H1238/7 STD is a complete crankshaft main bearing set used in BMW M57 diesel engines.

These bearings support the crankshaft inside the engine block and are critical for maintaining oil pressure, smooth rotation and engine durability.

Manufactured with bronze-coated steel backing for high load resistance and OEM-level reliability.

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Fitment

Engines:

• M57 3.0D
• M57N
• M57N2

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Common Models

• E46 330d
• E60 / E61 530d / 535d
• E65 730d
• E83 X3 3.0d
• E53 X5 3.0d

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Part Numbers

• Glyco: H1238/7 STD
• BMW OE references:
  • 7792568
  • 7792569
  • 78026422
  • 78026541

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Technical Details

• Type: Main crankshaft bearing set
• Size: STD (standard size)
• Material: Bronze coated steel back
• Bearing thickness: 2.502mm
• Shaft diameter range: 59.971mm – 59.99mm

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Kit Contents

• 6x main bearing shells
• 1x thrust/main bearing shell set

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Notes

• Designed for standard crankshaft size
• Used during engine rebuilds and bottom-end repairs
• OEM supplier quality (Glyco)

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Important

❗ STD size only
❗ Check crankshaft condition before installation
❗ Not for N57 or N47 engines

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Common issues when bearings are worn

• Low oil pressure
• Bottom-end knocking
• Crankshaft scoring
• Engine vibration or bearing failure

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Fitment Summary

✔️ M57 / M57N / M57N2
✔️ BMW 3.0 diesel
✔️ Standard size crankshaft
❌ Not N57
❌ Not N47