Intake is off, doesn't look too bad for 150k miles. Luckily there seems to be relatively little CBU. The swirl flaps are pretty clean. The CBU seems too be concentrated only where the IM and the valve cover meet. Going to think a bit about what the best approach is here.

The soup of hoses, wires and other assorted gadgets that I have uncovered on the drivers side of the engine is incredible. I can't believe the mess and of course everything is covered in black goo. Non of my vac hoses seem bad to the point of leaking but I plan to replace the lot of them. Just wondering what else needs changing while I am in there?

Attached Images

  

__________________
2003 4.4i black ext./black int./black headliner (kid's runabout)
2014 535d X-drive, M package, silver/black interior

Sold but not forgotten:
2009 E70 35d, black ext./black int./black headliner (sold 2021)
2006 4.8iS Le Mans blue/cream int./black headliner, SOLD in 2012 sadly...

Other hardware:
2015 Cayenne S (wife's new DD and definitely wroooommmmm)
2016 Tundra 1794 edition crew cab, luxo hauler
2005 Tundra crew cab, weekend hauler. Sold after 150k very happy miles.