Siemens
MS43
ECU (engine)
Planned
Specification
- Manufacturer
- Siemens
- Family
- MS43
- Microcontroller (MCU)
- C167
- Flash size
- 512 kB
- Read protocols
- OBD, BENCH, KLINE
- Signature
- No signature
- Era
- 2000-2006
Checksum: Planned
Checksum correction for this family is on our roadmap but not available yet — the tuner handles it manually.
Applications
- BMW E46 325i/330i M54
- BMW E39 525i/530i M54
- BMW E53 X5 3.0i M54
- BMW E85 Z4 2.5i/3.0i
Notes
BMW M54 Siemens MS43 — K-line flashable.
Used in (12)
BMW
12 engines
- 3 Series E46 facelift · 320i 170 hp
- 3 Series E46 facelift · 325i 192 hp
- 3 Series E46 facelift · 330i 231 hp
- 5 Series E39 facelift · 520i 170 hp
- 5 Series E39 facelift · 525i 192 hp
- 5 Series E39 facelift · 530i 231 hp
- X3 E83 (pre-LCI) · 2.5i 192 hp
- X3 E83 (pre-LCI) · 3.0i 231 hp
- X5 E53 (pre-LCI) · 3.0i 231 hp
- X5 E53 LCI · 3.0i 231 hp
- Z3 E36/7 Z3 · 2.2i 170 hp
- Z3 E36/7 Z3 · 3.0i 231 hp