BMW’s N55 engine is famous for delivering smooth power, responsive torque, and reliable single-turbo performance. Found in popular models like the 135i, 235i, 335i, 435i, 535i, and multiple X-series vehicles, the N55 turbocharger plays a major role in the engine’s performance. Over time, high mileage, aggressive driving, and heat cycles can cause wear to the turbo’s...

Understanding BMW Engine Rebuild Cost and What You Should Expect BMW engines are engineered for performance, durability, and advanced technology. However, after years of use, high mileage, or mechanical failure, a rebuild may become necessary to restore full power and reliability. Knowing the BMW engine rebuild cost helps owners plan ahead, make informed decisions, and avoid unnecessary...