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The BMW N54 engine is one of BMW's most popular engines they ever produced. However, like all direct-injected engines, it has one major flaw—and that's intake valve carbon buildup. You could go to the dealer and pay over $700 to have your intake valves cleaned, or you can do it yourself for a fraction of the price using BMW's Walnut Blasting Vacuum Attachment

Carbon buildup on the BMW N54 engine (as well as N55 engine) can become severe over time, almost completely closing off the intake tracts and valves. BMW recommends intake valve cleaning in the form of walnut blasting roughly every 30,000 to 50,000 miles. That may seem extreme; however, testing and dyno graphs show that you could be losing up to 40HP just from carbon buildup. If your N54 or N55 is built or tuned to make more power than stock, it might be wise to walnut blast the intake valves even sooner than what is recommended. 

BMW N54 N55 Walnut Vacuum Blaster Attachment Tool Gareth

This walnut blasting tool manufactured by TKL and sold by BMW makes cleaning the carbon buildup out of your intake valves a simple task. Specially engineered for this one job, the tool fits perfectly into the intake tracts and creates a seal while the other end connects to your shop vacuum. While you're using your media blaster and walnut shell media to remove the carbon buildup, it's sucking the debris back into the vacuum rather than leaving it behind. This saves you the hassle of having to remove the cylinder head like other methods of cleaning would. 

BMW N54 N55 Walnut Vacuum Blaster Adapter

This walnut vacuum blasting tool fits a wide array of BMW models:

  • 2007-2015 BMW 335i
  • 2009-2015 BMW 535 xDrive
  • 2009-2015 BMW 335i xDrive
  • 2008-2015 BMW 535i
  • 2009-2015 BMW Z4
  • 2011-2015 BMW  535i GT
  • 2008 BMW 535xi
  • 2011-2015 BMW X5
  • 2011-2014 BMW 335is
  • 2007-2008 BMW 335xi
  • 2011-2015 BMW 740i
  • 2011-2015 BMW 740Li
  • 2008-2013 BMW 135i
  • 2011-2015 BMW 535i GT xDrive
  • 2011-2015 BMW x3
  • 2008-2016 BMW X6
  • 2011 BMW 1M Coupe
  • 2012-2015 BMW 640i
  • 2013-2015 BMW 640i Gran Coupe
  • 2013-2015 BMW X1
  • 2013 BMW 135is
  • 2012-2015 BMW ActiveHybrid 5
  • 2013-2015 BMW ActiveHybrid 3
  • 2013-2015 BMW ActiveHybrid 7
  • 2013-2015 BMW 740Li xDrive
  • 2014-2015 BMW 640i xDrive
  • 2014-2015 BMW 435i
  • 2014-2015 BMW 435i xDrive
  • 2014-2015 BMW 335i GT xDrive
  • 2014-2015 BMW M235i
  • 2015 BMW 435i Gran Coupe
  • 2015 BMW 435i xDrive Gran Coupe
  • 2015 BMW M235i xDrive
  • 2015 BMW X4
  • 2014-2015 BMW 640i xDrive Gran Coupe

BMW N54 N55 Walnut Vacuum Blaster Attachment Tool closeup


In the video below, Gareth Foley, our BMW Catalog Manager, shows us the tool and explains how to use it.  If you like this Really Quick Product Review, subscribe and check back here for regular releases in the future.  


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Written by :
Evan Madore

Writer/Editor at FCP Euro and owner of a daily R53 MINI Cooper, a track-built R53 MINI, and a 1997 Dakar Yellow E36 M3 Sedan. ••• Instagram: @evan.madore

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