Your exhaust leak could be from the RH Exhaust Manifold...One of the 99-04 Pony fixer-uppers!
Read your TSBs.
Seafoaming it will be fine, I have an '01 with 140XXX+...and I seafoam her every now and then. Sure did help out those sticky lifters.
Cool smoke show too!
__________________ 2001 V6 WhitePony 4R70W: -- BBK 1 5/8" Ceramic Shorty Headers -- K&N FIPK Gen II 57 Series -- 2.5" True Dual Exhaust: - MAC 2.5" O/R H-Pipe - MagnaFlow 2.5" Hi-Flow Cats - FlowMaster Original 40s Future Master Technician of BMW Motor Co. |