This listing is for an Intake Port Vacuum Adapter for Walnut Blasting for BMW engines N20 N54 N55
 - Commonly found on BMW 535i 335i x5 x6 135i and various other models between 2006 to today.

(Not sure which engine is in your car.. Check the list at the bottom of this Description to verify.)

The outlet is sized roughly for a 1 1/4" shop-vac hose, and the hole is sized for 1/8" black pipe. Depending on your application you may want to use duct tape or rubber hose and clamps to help secure your hose to the adapter.

N54 Engine Vehicles:
•2006–2010 E90/E91/E92/E93 335i
•2007–2010 E60/E61 535i
•2007–2010 E82/E88 135i
•2008–2010 E71 X6 xDrive35i
•2009–2016 E89 Z4 sDrive35i
•2008–2012 F01 740i
•2011–2013 E92/E93 335is
•2011 E82 1 Series M Coupe
•2011–2016 E89 Z4 sDrive35is
•2007–2010 Alpina B3 (E90)
•2010–2013 Alpina B3 S
•2012–2013 Alpina B3 GT3

N55 Engine Vehicles:
•2009–2017 F10/F11/F07 535i
•2010-2013 E90/E91/E92/E93 335i
•2010-2013 E82/E88 135i
•2010–2017 F25 X3 xDrive35i
•2011-2013 E70 X5 xDrive 35i
•2011–2015 F30/F31 335i
•2011–2014 E71 X6 xDrive 35i
•2012–2015 E84 X1 xDrive35i
•2013–2016 F32/F33/F36 435i
•2014–2018 F15 X5 xdrive 35i
•2014–present F16 X6 xDrive35i
•2014–2016 F26 X4 xDrive 35i
•2011–present F06/F12/F13 640i
•2012–2013 E82/E88 135is
•2012–2015 F20/F21 M135i
•2012–2015 F01 740i/Li
•2013–2016 F22/F23 M235i
•2015–2016 F20/F21 M135i LCI
•2013–2015 F30 ActiveHybrid 3
•2015–2018 F26 X4 M40i
•2016–2018 F87 M2
•2013–2017 Alpina F30/F31 B3 Bi-Turbo
•2013–2017 Alpina F32 B4 Bi-Turbo
•2014–2017 Alpina F33 B4 Bi-Turbo
•2017–present Alpina F30/F31 B3 S Bi-Turbo
•2017–present Alpina F32/F33 B4 S Bi-Turbo
•2018–present Alpina F32/F33 B4 S Bi-Turbo Edition 99

N20 Engine Vehicles:
•2013–2016 F10 520i (Turkey only)
•2013-2016 E89 Z4 sDrive18i
•2013-present F25 X3 sDrive18i
•2011–2015 E84 X1 xDrive/sDrive20i
•2011–present F25 X3 xDrive20i
•2012–2015 F30 320i
•2013–2016 F34 320i GT
•2011–2016 F10 520i
•2013-2016 F10 520Li
•2011–2016 E89 Z4 sDrive20i
•2014–present F22 220i
•2015-2017 Brilliance Huasong 7 MPV