Which BMW Engines Should You Avoid After 100,000 Miles?
Photo by Akbar Nemati on Unsplash There’s something psychological about 100,000 miles. For some buyers, it feels like a red flag. For others, it’s barely run-in. The truth sits somewhere in the middle. A BMW that has passed 100,000 miles isn’t automatically a bad idea. In fact, many straight-six petrol and diesel engines will comfortably exceed 200,000 miles with the right care and good quality BMW parts . But certain BMW engines have known weak points that tend to show themselves once mileage climbs into six figures, and that’s where caution becomes sensible. This isn’t about fear. It’s about awareness. Below is a realistic, experience-based ranking of BMW engines that require extra scrutiny after 100,000 miles, starting with the ones that carry the highest risk. 1. N47 Engine – The One You Must Check Properly If there’s one engine that changed how buyers view high-mileage BMW diesels, it’s the N47 engine . On paper, it was brilliant. Strong torque, impressive fuel economy, and ...