What Are Common BMW B48 Engine Problems? The Full Guide
Image: BMW B48B20A complete engine with just 25K miles for sale at MT Auto Parts for £1,899.99 The BMW B48 engine has a strong reputation, and for good reason. Introduced in 2015 as the replacement for the N20, the B48 2.0-litre turbocharged four-cylinder addressed most of the complaints that had dogged its predecessor and arrived as part of BMW's thoroughly engineered B-series modular engine family. In nearly a decade of production, it has proven to be a capable, enjoyable engine that holds its own against comparable units from Audi and Mercedes. That said, it is not without its issues. The B48 has specific weaknesses that owners and prospective buyers should know about. Not because they make it a bad engine, but because knowing what to watch for is the difference between a £200 repair and a £2,000 one. This guide covers everything: what the B48 engine is, which cars it powers, what goes wrong, how to maintain it, and what to look for if you're buying a B48-powered BMW or loo...