INA Drive Belt Idler / Guide Pulley – 532 0605 10 (BMW M57N2 Diesel)

Quick Info

OEM INA guide pulley for BMW 6-cylinder diesel engines.
Designed to maintain correct auxiliary belt alignment and smooth belt operation.

Description

INA 532 0605 10 is an OEM auxiliary belt deflection/guide pulley used on BMW M57N2 diesel engines.

This pulley helps guide and stabilise the serpentine belt while maintaining proper belt tracking across:

• Alternator
• AC compressor
• Power steering system
• Water pump

INA/Schaeffler is the original manufacturer for many BMW belt drive components.

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Deep Engine Compatibility Research

After checking INA catalog data and BMW OE cross references:

BMW Diesel Engines

✔️ M57N2

Specific Engine Variants

✔️ M57D30TU2

⚠️ Some late M57N overlap may exist depending on accessory layout and production date.

❌ NOT for:

• M47
• N47
• N57
• B47
• B57

This pulley is primarily catalogued around:

E70/E71 generation BMW 3.0 diesel platforms.

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Common Models

• E70 X5 3.0d / 35d
• E71 X6 30d / 35d
• E83 X3 3.0d
• Late E60 / E61 530d
• Late E90 / E91 330d / 335d

⚠️ VIN confirmation strongly recommended because BMW used multiple pulley setups.

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Part Numbers

• INA: 532 0605 10
• BMW OE: 11287799859

Equivalent references:

• SKF: VKM 38338
• FEBI: 34172
• RUVILLE: 55059

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Technical Details

• Type: Deflection / guide pulley
• Diameter: 80mm
• Width: 26mm
• Inner diameter: 8mm
• Material: Polyamide / reinforced plastic
• Position: Auxiliary drive belt system

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Notes

• OEM INA/Schaeffler component
• Direct OE-style replacement
• Common wear item on higher kilometre M57N2 engines

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Important

❗ Not a tensioner assembly
❗ Not a timing chain pulley
❗ Incorrect pulley fitment can cause belt misalignment and belt failure

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Common issues when faulty

• Belt squeal
• Pulley bearing noise
• Belt vibration
• Auxiliary belt misalignment
• Pulley wobble