Like many engines, the N47 certainly isn't without it's issues...especially when it comes to timing chains ⛓️ Luckily for this customer, the dreaded rattle hadn't set in just yet but since they wanted upgrades, it was probably best to have them replaced as a precautionary measure! So we got Rueben to don the head cam to give you a good view of what goes into replacing N47 timing chains! N47 Timing chain kit - https://www.darksidedevelopments.co.uk/products/complete-bmw-n47-n57-timing-chain-kit.h