As blue said. Buying a smoke test machine does wonders. I've found every vacuum/boost leak I've had with it.
"Be yourself for who you are, or be no one at all" - MalibuMafiaV
BMW 2006 M5 - REALLY LOUD
BMW 2007 335i. ST GT35R.
Audi S4 2000 Stage 3 - Dat turbo spool - SOLD
BMW 2000 3-series
Because race car SOLD
Maserati 2004 M128 GT
- HREs/tint/straight piped SOLD
BMW 2006 M3 - stock - SOLD