Description
The BMW 320d E90 with the N47D20B engine is known for its solid performance and efficiency, typically producing around 143 horsepower. This four-cylinder diesel engine is popular for its smooth power delivery and good fuel economy.
Common issues with the N47D20B engine include:
1. Timing Chain Problems: Similar to the N47D20C, the N47D20B is prone to timing chain wear and failure, which can lead to serious engine damage if not addressed promptly.
2. Injector Failures: Injectors can develop issues over time, leading to misfires and reduced performance.
3. Turbocharger Failures: Turbo issues may arise, resulting in decreased power and increased smoke.
Regular maintenance, including oil changes and monitoring the timing chain, is crucial for longevity. When considering a used model, it’s advisable to check for a comprehensive service history, particularly regarding the timing chain and fuel system.