The BMW N43 is a naturally aspirated four-cylinder petrol engine which was sold from 2006 to 2013. It replaced both the BMW N46 and BMW N45 engines. [1] However the N43 was not sold in countries with high sulfur fuel, [2] therefore the N45/N46 engines remained in production alongside the N43.

2025年3月28日 · The BMW N43B20 is a 2.0 liters (1,995 cc, 121.7 cu·in) straight-four, four-stroke cycle natural aspirated gasoline engine from the BMW N43-family. The engine was manufactured from 2007 to 2011 on the BMW Plant Hams Hall (Coleshill, Birmingham, United Kingdom).

2025年1月10日 · The N43 engine exemplifies BMW’s commitment to blending performance with practicality, making it a compelling choice for a variety of driving scenarios. With its robust specifications and efficient design, the N43 continues to …

The BMW N43 is a straight-4 naturally aspirated gasoline engine DOHC engine which was sold from 2007-2011. It replaced the N46 (and related N45), however the N43 was not sold in countries with high sulfur fuel, therefore the N45/N46 engines remained in …

2023年7月25日 · Discover the BMW N43 engine: A technological masterpiece or a risky proposition? Unraveling its secrets and what went wrong!

2015年4月11日 · BMW N43B20 engine reliability, problems and repair N43B20 is a new 2-liter version of N42B20 which was produced with several modifications. N43 was equipped with direct injection system.

2022年5月14日 · BMWの縦置き直列4気筒は2010年までバリエーションがひとつしかなかった。 すなわち、高精度直噴とリーンバーン・テクノロジーを組み合わせたこのN43B20である。 2011年に、これに新型1シリーズに採用された1.6ℓのN18B16（N14B16を縦置化したエンジン）と2.0ℓのN20B20エンジンが加わり、3機種の縦置き直列4気筒を持つことになった。 そのなかでも当時の主力は、このN43B20。 NAエンジンと直噴+リーンバーンの組み合わせはポンプ …

N43B20O0 – the most powerful version for BMW models with the 20i index. Power 170 hp at 6700 rpm, torque 210 Nm at 4250 rpm. Unlike its predecessor, the N42 engine, the new BMW N43 engine features direct fuel injection and Valvetronic valve lift systems.

2017年9月15日 · N43's run very, very hot for emissions. You'll often find that cars with oil lights that flicker at idle after a run have a faulty thermostat and are running so hot the oil is too thin. Cheap fix. Low oil pressure can also be due to the balance shaft bearings being worn out - the 1.6 N43 (rare) doesn't have them but the 2.0 one does.

BMW N43B20 Engine Specifications. The BMW N43B20 is a 2.0 liters (1,995 cc, 121.7 cubic inches) straight-four, four-stroke cycle naturally aspirated gasoline engine from the BMW N43-family. The engine was manufactured from 2007 to 2011 on the BMW Plant Hams Hall (Coleshill, Birmingham, United Kingdom).