catalytic converter

Hi All, I'm looking for a pair of used Supersprint cats (section 1) for sale. Please let me know should you be interested in selling or have other alternatives. Thanks.

Dear all, I just realize my catalytic converter had been removed by ex-owner and replace by an mid box. will this reduce my back pressure and lost my torque? Any alternative I can use to replace the catalytic and dont loss to many back pressure? My 520i catalytic was locate on the mid not at...

Hi fellow drivers, My e60 started developing a rattling sound from underneath the engine compartment. This only happens during cold starts, and the noise will go away after a while. It does not rattle when I re-start the engine after a drive, i.e. when the engine is hot. Over a few days, the...