You probably have a check engine light on. Get the codes and post them here for us.
p.s. Bars leak is the best head gasket temp sealer. Never even heard of the other stuff you mentioned.
2006 BMW M5 - REALLY LOUD
2000 3-series BMW supercharged
Because race car.
2004 Maserati M128 GT SOLD
2006 BMW M3 - SOLD
Last edited by MalibuMafiaV; 10-23-2012 at 12:01 PM.