Dinan V10 track engine glows purple, accelerates BMW M5 to plaid

We love the V10 from BMW. Besides having an affinity for any engine with more than eight cylinders, the torque-happy 5 litre sounds like straight glory and is happy to induce all sorts of tail-wagging fun from the outgoing M5. The minds at Dinan have taken the time to put the engine through the standard performance ringer by boring and stroking the block to a full , dropping a set of performance cams into the head, bolting on a dry-sump oil system and wrapping the whole project up with a