ENGINE SWAP COMPATIBILITY MATRIX
Every major Defender conversion documented side by side — donor engine, gearbox options, ECU solution and realistic cost range. Click any row for the full step-by-step guide.
Engine Variants
All factory-fit Defender engines and popular swap donors. Cards linked to a full swap guide open the step-by-step conversion; unlinked variants are reference only.
Factory (OEM)
Popular Swaps
| Donor Engine | Power | Years | Gearbox | ECU | Difficulty | Cost | |
|---|---|---|---|---|---|---|---|
GM LS3 6.2 V8 Petrol Swap GM LS3 6.2 V8 (C6 Corvette / Camaro SS / CTS-V) | 430bhp | {1985-2015} | 4L60E / 4L65E auto with Advance Adapters LT230 adapter, or Tremec T56 6-speed manual with custom bellhousing | GM E38 factory ECU flashed by BlackBear/HP Tuners, or Holley Terminator X standalone | Expert | £15,000 – £25,000 | Open → |
BMW M57N2 306D3 Twin-Turbo Diesel Swap BMW M57N2 306D3 (E90 335d / E70 X5 3.0sd) | 286bhp | {1985-2015} | ZF 6HP26 auto with LT230 adapter (Ashcroft/Traxide) or R380/LT77 manual with Wabco adapter | House of Torque DDE6.3 standalone loom, or SpeedTech M57 kit | Expert | £12,000 – £18,000 | Open → |
BMW M52B30 3.0 Inline-Six Petrol Swap BMW M52B30 (E36 328i / E39 528i / Z3 3.0) | 231bhp | {1985-2015} | BMW Getrag 250G manual with R380/LT230 adapter, or ZF 5HP18 auto. | BMW MS41.1 (single-Vanos) or MSS52 (double-Vanos), or Emerald K6 / MegaSquirt MS3-Pro standalone. | Expert | £6,000 – £10,000 | Open → |
BMW M57N 306D2 Single-Turbo Diesel Swap BMW M57N 306D2 (E60 530d / E83 X3 3.0d / E53 X5 3.0d) | 204bhp | 1998–2016 | Native BMW GS6-53DZ 6-speed manual, ZF 6HP26 auto with adapter loom, or LT230 transfer via bespoke adapter plate to LR R380 / MT82. | BMW DDE5 with EWS delete (dealer-flash or aftermarket) or Nefmoto standalone. Immobiliser must be removed. | Expert | £8,000 – £14,000 | Open → |
Land Rover TDV6 2.7 Diesel Swap Land Rover / PSA TDV6 276DT (Discovery 3 / Range Rover Sport TDV6) | 190bhp | 1998–2016 | ZF 6HP26 6-speed auto (native) or LT85 / MT82 6-speed manual via custom bell-housing. | Denso DCU-102 with immobiliser delete flash from Alive Tuning or ECU Testing. | Expert | £10,000 – £16,000 | Open → |
Cost ranges are indicative — donor, labour rate and gearbox choice all move the number.
GM LS3 6.2 V8 Petrol Swap
ExpertGM LS3 6.2 V8 (C6 Corvette / Camaro SS / CTS-V)
- Power
- 430bhp
- Cost
- £15,000 – £25,000
- Gearbox
- 4L60E / 4L65E auto with Advance Adapters LT230 adapter, or Tremec T56 6-speed manual with custom bellhousing
- ECU
- GM E38 factory ECU flashed by BlackBear/HP Tuners, or Holley Terminator X standalone
BMW M57N2 306D3 Twin-Turbo Diesel Swap
ExpertBMW M57N2 306D3 (E90 335d / E70 X5 3.0sd)
- Power
- 286bhp
- Cost
- £12,000 – £18,000
- Gearbox
- ZF 6HP26 auto with LT230 adapter (Ashcroft/Traxide) or R380/LT77 manual with Wabco adapter
- ECU
- House of Torque DDE6.3 standalone loom, or SpeedTech M57 kit
BMW M52B30 3.0 Inline-Six Petrol Swap
ExpertBMW M52B30 (E36 328i / E39 528i / Z3 3.0)
- Power
- 231bhp
- Cost
- £6,000 – £10,000
- Gearbox
- BMW Getrag 250G manual with R380/LT230 adapter, or ZF 5HP18 auto.
- ECU
- BMW MS41.1 (single-Vanos) or MSS52 (double-Vanos), or Emerald K6 / MegaSquirt MS3-Pro standalone.
BMW M57N 306D2 Single-Turbo Diesel Swap
ExpertBMW M57N 306D2 (E60 530d / E83 X3 3.0d / E53 X5 3.0d)
- Power
- 204bhp
- Cost
- £8,000 – £14,000
- Gearbox
- Native BMW GS6-53DZ 6-speed manual, ZF 6HP26 auto with adapter loom, or LT230 transfer via bespoke adapter plate to LR R380 / MT82.
- ECU
- BMW DDE5 with EWS delete (dealer-flash or aftermarket) or Nefmoto standalone. Immobiliser must be removed.
Land Rover TDV6 2.7 Diesel Swap
ExpertLand Rover / PSA TDV6 276DT (Discovery 3 / Range Rover Sport TDV6)
- Power
- 190bhp
- Cost
- £10,000 – £16,000
- Gearbox
- ZF 6HP26 6-speed auto (native) or LT85 / MT82 6-speed manual via custom bell-housing.
- ECU
- Denso DCU-102 with immobiliser delete flash from Alive Tuning or ECU Testing.