BMW E46 323i 328i E39 528i M54 M52TU MS42 Tuning


The Siemens MS42 was originally installed in the BMW E46 323i, E39 528i, and Z3 2.5 with the M52Tu technical update. FULL EWS Delete Available – only @ KP; virginizing service also available. We offer this service and to provide affordable replacement DME’s for E39, E46 and E53 chassis. The virginized DME will need to be aligned with EWS and can be done any of the BMW utilities.

To remove the Secondary Air Pump, rear O2 sensors, and other emissions related systems, the Euro2 (EU2) tune is recommended.

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The virginized factory fresh DME is an affordable replacement option for the E46 and E39 323i 528i that utilize the Siemens MS42 ECU. Full immo-off and EWS delete is available for the MS42 engine computer as well only at Kassel Performance!

Expect +15whp gains with the performance tune. Stock rev limiter is kept on all tunes unless otherwise requested.

Readiness monitors can not be guaranteed with any tune, please check your local and state requirements.


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