BMW Bolt - Timing Chain Tensioning Rail | 2006-2021 NLA.631.008.02 (uses 6 X 40 mm

(uses 6 X 40 mm hold down bolts)

Prevents oil contamination and maintains optimal engine performance

5mm Ultra-Efficient Fins: New 5mm tall fins with a multi-louvered design significantly increase the heat exchange surface area

it’s an essential component for maintaining your Porsche’s peak condition

Ratio @1mm deck clearance (head volume) 84 66 130 34 22 27

BMW Bolt - Timing Chain Tensioning Rail | 2006-2021 NLA.631.008.02 (uses 6 X 40 mmBolt Timing Chain Tensioning Rail for 640i (2012 2018), Z4 (2006 2016), 640i xDrive (2014 2018), 640i xDrive Gran Coupe (2014 2019), 740i (2011 2015), 740Li (2011 2015), 740Li xDrive (2013 2015), 428i (2014 2016), 435i (2014 2016), 428i xDrive (2014 2016), 435i xDrive (2014 2016), 328i xDrive (2009 2016), X6 (2008 2019), 320i (2013 2018), 328i (2007 2016), 335i (2007 2015), 320i xDrive (2013 2018), 535i GT (2010 2017), 535i GT xDrive (2011 2017), 535i