Auto-detects OEM · engines · symptoms
Parts. Swaps.
Know-how.
The independent library and search engine for Land Rover Defender parts, engine swaps, and workshop knowledge.
Find a Part
Search the RTC9932CE catalogue, cross-reference OEM numbers, view diagrams, compare aftermarket suppliers.
Browse cataloguePlan a Swap or Rebuild
BMW M57, Tdi, TDV6, LS3 — full engine matrix with power figures, difficulty and step-by-step guides.
Compare enginesDiagnose or Ask
Symptom-driven fault library plus an AI assistant trained on Defender-specific workshop knowledge.
Ask the assistantPowerplants & conversions
Engines & Swaps
3.5 V8 Petrol (carb)
2.5 Naturally Aspirated Diesel
2.5 Turbo Diesel
3.9 V8 Petrol EFi
2.0 Tdi (200Tdi)
2.5 Tdi (300Tdi)
GM LS3 6.2 V8 Petrol Swap
GM LS3 6.2 V8 (C6 Corvette / Camaro SS / CTS-V)
BMW M57N2 306D3 Twin-Turbo Diesel Swap
BMW M57N2 306D3 (E90 335d / E70 X5 3.0sd)
BMW M52B30 3.0 Inline-Six Petrol Swap
BMW M52B30 (E36 328i / E39 528i / Z3 3.0)
BMW M57N 306D2 Single-Turbo Diesel Swap
BMW M57N 306D2 (E60 530d / E83 X3 3.0d / E53 X5 3.0d)
Land Rover TDV6 2.7 Diesel Swap
Land Rover / PSA TDV6 276DT (Discovery 3 / Range Rover Sport TDV6)
BMW M57N2 CONVERSION
286 bhp / 580 Nm twin-turbo diesel swap — ZF 6HP26 + LT230, documented in 10 steps. The M57N2 is the most popular modern diesel conversion for the Defender, offering factory-grade refinement and strong towing torque.
Open guide →At a glance
- Power286 bhp
- Torque580 Nm
- GearboxZF 6HP26
- TransferLT230
Symptom → cause
Common Faults
Battery not charging
Alternator failure 60% · Drive belt failure 25% · Battery failure 10%
Black smoke under load
EGR stuck open 40% · Air filter blocked 30% · Injector wear 20%
Blue smoke on overrun
Turbo oil seal 60% · Valve stem seals 30% · Piston rings 10%
Clonking from front axle
CV joint wear 40% · Swivel bearing failure 30% · Radius arm bush failure 20%
Coolant loss no visible leak
Head gasket failure 50% · Oil cooler failure 30% · Intake manifold gasket 20%
Defender wanders at speed
Worn radius arm bushes 40% · Steering box wear 30% · Track rod ends 20%