What is the vacume hose and where is it locatedere

Question

Code p1418 2004 BMW 325i what is the vacume hose and where is it located

Answer 1

P1418 Secondary air system

This code is for the secondary air pump what happens and hopefully this happens to your is the hose tends to break off.. When the air pump operates you would hear it at a cold start up, it would be on for less than a minute. . The location standing in front of the engine it would be on the left hand front side. Listen for the air pump.

Read more : https://www.engine-codes.com/p1418.html