BMW S54 Stainless Steel Headers. These 2001-06 BMW E46 M3 LHD (Left Hand Drive) / RHD (Right Hand Drive) headers are made from the same mandrel bent Polished, Fully TIG welded T-304 Stainless Steel with a New Cast Flange and feature our Limited Lifetime warranty does not include bungs, tabs, or brackets. They use the factory studs and hardware. (No need to use E36 studs) Clears FCABs and Motor Mounts without modification and have the EGT port already welded on.

*Updated 2020. We have updated the design again of our headers, the V4. The V4 headers include the following changes: Fully new design with a newly designed collector. The headers now fit LHD and RHD vehicles!

The 2001-06 BMW E46 M3 / 2006-08 Z4M / 2001- 02 Z3M S54 Stainless Steel Headers features:

* Our design fits LHD and RHD vehicles.
* Short Tube Headers
* Clears FCABs (Front Control Arm Bushings) and Motor Mounts without modification
* Uses Factory Studs and Hardware  (NOTE: Hardware and/or Gaskets are NOT supplied with the headers)
* No need to use E36 studs like other headers out there
* EGT Port Welded on
* 8-15 WHP Increase Note* with proper tune most see a gain of 25-30WHP
* Limited Lifetime Warranty

*Please note Headers are in production: Production timeline is  takes about 18 to 20 weeks, we are taking order