Siemens MSS54 — supported tools

← ECU catalogue

Siemens MSS54 engine ECU with confirmed AutoTuner support via OBD. MCU variants: MC68336. Reading and writing follow the protocol scope; match the ECU identification to a supported variant before use.

Last changed: 2026-10-31 · Card revision 2

Compatibility depends on ECU HW/SW, protocol and active licence. A tool missing from this list does not imply lack of support.

Tool

Connection

Operations

Scope and notes

AutoTuner

OBD

Read (type unspecified)
Write

MSS54; MCU variant MC68336

Reading and writing. Scope covers AutoTuner-supported applications for the specified variant.

DFOX

OBD

Read (type unspecified)
Write

BMW; BMW M3 (E46) 3.2l; BMW M3 CSL (E46) 3.2l; BMW Z3 M 3.2l; MSS54; MCU ZC439512VFT20

Operations confirmed in the DFOX list for the specified application and variant. Memory designation in the list: AM29F200BB. Updates published since October 2025 require DFOX V2 software.

Pinout Bench

No Bench pinout has been added.

Pinout Boot

No Boot pinout has been added.

Update history

Revision 2 · 2026-10-31
Revision 1 · 2026-10-31