In addition to the powertrain updates, BMW made mild revisions to the styling of the Z4, added several electronic features, and increased the brake size on the 3.0si models. This is particularly noticeable when compared to the Z4 M, which continues with the heavier S54 iron block engine. A final benefit of the N52 engines is that they improve handling and turn-in due to the decreased weight over the nose of the car. Although the new engines represent a modest upgrade in peak power over the M54, they are considerably more powerful through the middle of the rev range, and also improve fuel economy noticeably.
Add BMW's Valvetronic variable valve timing system for increased performance. This engine is a very popular representative of M54 series which also includes M54B22, M54B30 and S54B32 motors. This makes an engine block that weighs only 50+ pounds. BMW M54B25 engine reliability, problems and repair. The N52 features a magnesium block construction, which consists of an aluminum interior for the cylinders, and an outer magnesium block. In the 3.0si, this engine makes 190 kW (255 bhp) and 220 ft This is The DescriptionīMW Z4 In 2006, BMW updated the Z4 line by installing its new N52 I-6 engines. In this page i want to share with you about my favorite car.
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