How Long Do BMW Diesel Engines Last?
Image: BMW B47D20B complete engine for sale at mtautoparts.com Ask any BMW enthusiast how long a diesel engine should last, and you will get an answer somewhere between ‘it depends’ and ‘longer than you might think.’ Both are correct. BMW diesel engines span a wide range of engineering quality, reliability track records, and real-world longevity, from the troubled N47 that could snap its timing chain at 80,000 miles to the M57 straight-six that owners routinely drive past 300,000 without drama. This guide gives you a straight, engine-by-engine answer. Whether you are buying a used BMW diesel, already own one approaching high mileage, or are considering a replacement engine, this is what the evidence from UK owners actually shows. About MT Auto Parts MT Auto Parts is a used BMW parts specialist focused exclusively on F, G, and U-generation models from 2012 onwards. We stock BMW diesel engines for sale sourced from carefully assessed donor vehicles, covering the full model...