[LowFlyR]

Originally Posted by Lil bastard

Back in '99, Porsche revised the engine oil capacity for the M96 engine from:

Oil Change w/o filter

• 
  from: 7.75L (8.18Q)
  to: 8.5L (8.98Q)

Oil Change w/ filter

• 
  from: 8.25L (8.71Q)
  to: 8.75L (9.24Q)

This change was noted in TSB# Boxster 2/99 1 1701.

Thanks man. This explains my problem with overfill. Make long story short I cannot use dipstick to measure mine. 5 mechanics have tried to put dipstick back after I first time took it out. I even bought a new one and dealership mechanics still could not piut it in. So I must trust the gauge.