Rover 25 / 45 / MG ZR 1.4 & 1.6 K-Series Engine Control Unit Box (ECU) – MEMS 3 MKC103981 is listed as an auto-part option. Confirm fitment, part number and compatibility before purchase, especially where vehicle-specific matching is required.
Rover 25 / 45 / MG ZR 1.4 & 1.6 K-Series Engine Control Unit Box (ECU) โ MEMS 3 MKC103981 serves as the central electronic module managing key engine functions for Rover 25 and 45 models as well as the MG ZR with 1.4 and 1.6 K-Series engines. This unit controls the engine’s fuel injection, ignition timing, and other critical parameters to maintain efficient operation.
The ECU box is designed for vehicles running the MEMS 3 engine management system. When sourcing a replacement, ensure your vehicle matches the Rover 25 or 45 and MG ZR models with K-Series engines to confirm compatibility. This electronic module may require professional attention for coding or calibration after installation, which is not covered by the listing.
Buyers should compare this part’s physical connector layout and part references with the original ECU to verify fitment. This component is essential for your engineโs control system to function properly, so verifying the exact match can help avoid performance issues or device incompatibility.
- Part type: Engine Control Unit Box (ECU) for MEMS 3 system
- Applicable to Rover 25, Rover 45, and MG ZR 1.4 & 1.6 K-Series engines
- SKU: BB-427309
Need help matching this item to your vehicle? Use more ECU & Lock Set, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

