Timing Chains Tensioner Upgrade – NCK4008 & NCK4034
28 Aug 2024
An upgraded tensioner is available with NAPA Timing Chains.
In accordance with BMW OEM standards, the NAPA Timing Chains kit (for product NCK4008 and NCK4034) includes an upgraded version (11318586699) of the timing chain tensioner specifically designed for use with N47 and N57 engines. The inclusion of a longer thread and tighter spring in the tensioner is intended to enhance overall engine performance.
Previous version 1
- OE Number: 11317797901
- Version: Short Thread
- Length: 86mm
- Status: Dropped/superseded by 11318586699
- Date: From 03/2007 to 12/2013
Previous version 2
- OE Number: 11318576201
- Version: Short Thread
- Length: 86mm
- Status: Discontinued by BMW, advised to use 11318586699
- Date: From 06/2013 to 05/2017
Latest version
- OE Number: 11318586699
- Version: Long Thread
- Length: 94mm
- Status: Latest version
- Date: From 04/2014
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