Do you mean the breather valve? Looking at pg 130-24in my bentley publisher service manual i see no crankcase ventilation valve. it states " The M54 engine crankcase is ventilated by breather valve under the intake manifold. if it leaks....yadi yadi yadi
Please all input is welcomed!
Last edited by LodiCA; 11-16-2012 at 05:09 PM.