MT Auto Parts Blog | Expert Tips for BMW enthusiasts on BMW Parts, Accessories, Engines and More

  Image: BMW B47 engine ERG valve with cooler for F39, F45, F46, F48 for sale at mtautoparts.com If you spend any time on BMW forums, one thing becomes clear very quickly: EGR and DPF problems on the B47 engine are almost always talked about together . Not because BMW designed them badly. Not because the B47 is unreliable. But because these two systems live in the same world, react to the same driving habits, and often fail in ways that look separate, but aren’t. This article pulls those threads together properly. No scare stories. No half-truths. Just how EGR and DPF issues actually show up on the BMW B47 engine, why they happen, and what BMW owners should realistically expect. Why the B47 Gets So Much Attention The B47 engine replaced the older N47 diesel and quietly fixed many of the problems that damaged BMW’s reputation in the past. The timing chain layout was improved. Internal stresses were reduced. Long-term reliability, in general, went up. But the B47 arrived during a d...

  Image: BMW N63 Engine for sale at mtautoparts.com  BMW owners tend to care about engines a lot. Even people who swear they “don’t” usually do. The moment reliability, running costs, smoke from the exhaust, or a £2,000–£5,000 repair bill enters the chat, the engine suddenly becomes the topic. That’s exactly where the BMW N63 engine sits. It’s a proper BMW V8 on paper: 4.4 litres, twin-turbocharged, hot-vee layout, huge torque, effortless motorway pace. But it also has a reputation and not all of it is fair. Early N63s built the legend (and the fear). Then BMW quietly refined the engine again and again, which is where the N63TU comes in. So, if you’re asking: Which BMW has the N63TU? What does “TU” actually mean in real life? And why do some people say it’s “better”, but still not “cheap” to own? Let’s go through it properly. Like you’d explain it to a mate over a glass of beer. First things first: what is the N63TU? What does “TU” mean? N63TU means N63 Technical Update — B...