A 2–4 second rattle on cold-starting a Mini Cooper is the well-documented BMW/PSA-developed Prince engine timing chain tensioner failure. Same job, same risk as the BMW N47 — catch it early to avoid an engine rebuild.
Bob's Mechanical Repairs — independent family-run garage in Birnam, Dunkeld, Perthshire. Call 01350 727 276 or email [email protected].