Timing chain failure may call for engine replacement or a costly repair. The most affected are BMW N47 engines found in 1, 3 and 5 Series models; however other BMW engines such as N57 – 3.0d 6 cylinders diesel engine and 4 cylinders petrol engines are prone to Timing Chains wear even at as low as 50k miles and with Full BMW Service History! MINI Cooper S R56 - MINI Cooper S Timing Chain Failure - MrEckerslikefromRamsbottom : Should've designed it with a decent belt. Unfortunately, some people insist on advising that chains are superior to belts. Chains are superior to belts. A duplex timing chain will last the life of the engine. The fact that the Mini chains are snapping shows

I'll get the RCZ done at 100,000 K, now on 60,000 kilometres. However, it is essential to have VERY regular engine oil changes to protect the chain. I do my oil changes every 3,500 miles, with the oil filter every other time. Hi RZers Just had funny/insulting phone call to garage to get quote for timing chain replacement cost.

Timing Belt Replacement Interval Guide WEATHERLY INDEX CATALOG NO. EDITION SUPERSEDES 400 431-1448A • Mini • Nissan • Mitsubishi • Opel • Peugeot
I would agree that 140,000 miles is a good time to have it changed. The diesel engine in your Mini is an interference engine, meaning that if your auxiliary belt breaks as a result of wear, the pistons will hit the valves and destroy your engine. I would strongly advise you to have it replaced as per the recommendation you have been given.
. 326 169 342 476 257 324 26 482

mini timing chain replacement interval