If you see oil leaks beneath, it is quite likely that the oil cooler seals are the cause. The oil cooler is located at the bottom centre of the V-shaped engine. The misting and leaks in the photos are not connected to the oil cooler, but the intake components in the V-shaped area need to be removed to access the cooler. It is advisable to remove the undertray and inspect from below to identify the source of the oil leak. After purchasing the oil cooler, new gaskets and seals for the intake components, the parts cost will be about £3-400. If someone else is doing the work, anticipate a total charge somewhat beyond £1,000. It is advisable to clean the manifolds while they are removed, despite being a filthy task. Avoid going to a big dealer since the cost will be quite high.