Land Rover Defender/Discovery Td5 NNN/MSB Discovery to Defender conversion

Land Rover Td5 ECU Discovery 2 → Defender Conversion Service

We offer a professional ECU conversion service to transform a Discovery 2 Td5 ECU into a Defender-compatible ECU.

This service is ideal if you are:

• Swapping a Td5 engine and ECU from a Discovery 2 into a Defender.

• Using a Discovery 2 ECU as a replacement for a Defender ECU.

• Building a Defender project vehicle and need a plug-and-play ECU solution.

Benefits:

• Correct Defender-specific maps and coding applied.

• Removes Discovery-specific wastegate control solenoid programming

• Ensures Defender-style throttle response and torque characteristics.

• Plug-and-play solution – just refit ECU and start the vehicle.

• Fixes issue with coolant temperature gauge working backwards

Supported ECUs:

We cover all Td5 ECU variants, including:

• MSB Series: MSB101080, MSB101110, MSB101120, MSB101130, MSB101150, MSB101170, MSB101181, MSB101360, MSB101361

• NNN Series: NNN000120, NNN000130, NNN000150, NNN500020, NNN500250, NNN500250A, NNN500340, NNN500430, NNN500500, NNN500520

Other ECU Services Available:

While your ECU is with us for conversion, you can also choose to add:

• Immobiliser Delete (Immo Off) – perfect for engine swaps or removing BCU/key dependencies.

• Performance Remap – Stage 1 or Stage 2 tuning for more torque and drivability.

• Auto ↔ Manual Conversion – reconfigure ECU coding to suit your gearbox type.

• Dual Map Upgrade – have two switchable maps (e.g. economy + performance) via cruise control buttons.

Service Information:

• Your original Discovery ECU is reprogrammed and returned – no extra coding required.

• Turnaround usually 1–3 working days.

• 12-month warranty on all work.

This is a cost-effective and reliable solution for Defender owners, project builders, and engine swap enthusiasts looking to use Discovery 2 Td5 ECUs in Defender applications.