BMW B48 Timing Chain Issues – Myth or Reality?
Image: BMW B48B20A complete hybrid engine for sale at mtautoparts.com Mention the words BMW and timing chain in the same sentence and you’ll see reactions instantly. Some people roll their eyes. Others tell horror stories. A few will swear blind they’ll never touch another BMW engine again. That reputation didn’t come from nowhere, but it also doesn’t tell the full story. When it comes to the B48 engine , the question comes up again and again: Does it suffer from timing chain issues, or is this just old BMW baggage following a newer engine that doesn’t deserve it? Let’s clear it up properly, without exaggeration or internet myths being repeated as facts. Why BMW Timing Chains Still Worry People BMW owners didn’t invent this concern. Earlier engines, most notably the N47 diesel , earned a genuinely bad reputation for timing chain failures. Those failures were expensive, intrusive, and in some cases catastrophic. Because of that, many owners now approach any modern BMW engine with su...
