BMW Oil Spraying Nozzle / Timing Chain Oil Jet – 13527797909

Quick Info

Genuine BMW oil spraying nozzle used to lubricate the lower timing chain on BMW diesel engines.
Helps maintain correct oil supply to the timing chain system and reduce chain wear. 

Description

BMW 13527797909 is an oil spraying nozzle (oil jet) mounted in the engine block to direct pressurised engine oil onto the lower timing chain assembly.

Proper lubrication is critical on BMW rear timing chain engines, especially N47 and N57 applications where chain wear and stretch are common.

Fitment

Engines:

• N47 2.0D
• N57 3.0D
• N57N

Compatible Brands

• BMW
• MINI

Common Models

BMW:

• E90 / E91 320d
• F30 328d / 330d / 335d
• F10 / F11 535d
• F15 X5 35d
• F25 X3 28d

MINI:

• Cooper D
• Countryman D

Part Numbers

• BMW: 13527797909
• BMW: 13 52 7 797 909

Technical Details

• Type: Oil spraying nozzle / oil jet
• Position: Lower timing chain lubrication system
• Function: Sprays pressurised oil directly onto timing chain components

Notes

• Genuine BMW part
• Commonly replaced during timing chain repair
• Small but critical component for chain lubrication

Important

❗ Not a fuel injector
❗ Not a pressure valve or sensor
❗ Must be installed correctly to ensure proper oil flow

Common issues when faulty or blocked

• Increased timing chain wear
• Chain noise on startup
• Poor lubrication to lower chain assembly
• Accelerated guide and tensioner wear

Fitment Summary

✔️ N47 = correct
✔️ N57 / N57N = correct
✔️ BMW + MINI diesel applications
❌ Not for M57 engines