To keep your Land Rover TDI in good condition, regular engine oil changes are very important. The residue from the vegetable oil can mix with the engine oil and eventually turn the engine oil to sludge.

For the 300TDI engine, a 10W/40 or 15W/40 gradeoil will be the best option. Besides, Castrol Magnatec and Mobil1 can be used for TDI engines with no problems. The engine usually holds 6.85 litre of oil – meaning you are going to need 2 bottles of oil as it comes in either 4 or 5 litre cans.

• Be sure to wear gloves and have plenty of old rags or else [...]