Maybe warn main bearings allowing oil pressure to drop. If you find damage like this, carry out a full strip-down and replacement of the timing chain, chain guides and oil pressure control valve. BMW 320i E90 / 91/92 (2007-12); [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. This engine could be found under the bonnet of BMW 16i models. Operating temperature of the engine is rather high. If you find blockage or signs of plastic, remove the oil sump to inspect the oil pump. However they showed up a bit late and were constructed on base of N43B20. Replace components as necessary. Applications:mariefren N43B20O0 is the most powerful version from this series. The BMW N43 is a straight-4 naturally aspirated gasoline engine DOHC engine which was sold from 2007-2011. It was available in several modifications: 1. That is why you need to use motor oil that is recommended by BMW brand. At the same time N43B16 with lower powerful characteristics was produced on base of the engine. It was used in BMW 20i models and produced 170 HP at 6,700 rpm and 210 Nm at 4,250 rpm. ECU firmware made it possible to decrease the rate of HP. This blog is dedicated to BMW petrol engines, so let’s talk about petrol engines. 2. At room … 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 production alongside the N43. Power remained at 90 kW (121 bhp), however torque was increased. Misfire and rough idling on N43. This engine is nothing but a smaller version of N43B20. You should check them and replace in case of necessity. You should check them and replace in case of necessity. In 2009, the 1,995 cc (121.7 cu in) N43B20 replaced the 1,599 cc (97.6 cu in) N43B16 in the 116i. Misfire and rough idling on N43. This oil pressure problem with N43 is a read headache. The customer’s complaint is that there is a loud rattling noise when the engine is first started. After confirming the oil filter is OK, remove the oil pressure control valve from the side of the block underneath the alternator and inspect it for signs of blockage or pieces of broken plastic. The model has a corporate design in the currently relevant... From the point of view of design, the fourth-generation BMW X5 model has remained faithful to the style of previous generations, but the forms in the exterior are slightly rougher and more courageous. 1.6 liter version: N43B16 O0 The contents of this forum are for experimental & educational purposes only. December 16th, 2016 bmw fault code 30c1 n43. This site is protected by reCAPTCHA and the Google, Welcome to world's most trustworthy automotive forum, (This post was last modified: 07-06-2020, 11:02 AM by. Check that the oil level is okay as an initial check. 160 N m at 4250 rpm Its applications are limited to the BMW 116i E87 and E81 (ie the 5-door and 3-door) produced from 2007 to 2011. The noise heard is louder than normal for a cold engine. The BMW N43 is a naturally aspirated four-cylinder petrol engine which was sold from 2006-2013. That is why you need to use motor oil that is recommended by BMW brand. New pistons were installed to increase compression ratio up to 12. Failure can happen without prior warning and cause the engine to seize up, many repairs for this can run into the thousands with replacement engines … This engine is replaced, as already explained, by a very weakened variant of the 2-liter of the same family, but at least initially only in some markets. Displacement was decreased to 1.6 liters. The problem is mainly connected with ignition coils. The next step is to check the oil pressure using the Diagnostic Request button on the AssistPlus. The official presentation of the third generation of the compact crossover BMW X3 (G01) was held in June 2017 in the United States at the BMW plant in Spartanburg (South Carolina). BMW N43B16 engines were produced to replace N42B18. BMW 520i E60 / E61 2.0i (2008-10). At the same time direct injection system was installed while Valvetronic was removed. Compared with its N46 predecessor, the N43 features direct injection.[3]. Updated 06/25/2018. And N43B20 was replaced by N13B16 turbo engines. At the same time direct injection system was installed while Valvetronic was removed. It replaced both the BMW N46 and BMW N45 engines. This engine was produced for BMW 16i models. N43B20 is a new 2-liter version of N42B20 which was produced with several modifications. If you take care of N43B20 engine and proceed with all necessary changed and maintenance, it will serve you for a long time with minimum problems. Engine had Siemens MSD 81.2. control unit. As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction. You will hardly find any performance parts and details to complete your upgrading ideas. You seem to have checked the most critical things. Engine had Siemens MSD 81.2. control unit. Shortly after the engine starts the malfunction indicator light (MIL) illuminates. Below is an image of what you may find after the sump is removed. You’d better get yourself BMW 335i with N54 or N55. [3] It is the successor to the BMW N45 engine and, as per the N45, does not have Valvetronic. Powered by  - Designed with the Hueman theme, Normal engine operating temperature, °C (F), BMW N43B16 engine reliability, problems and repair, BMW N43B16 engines were produced to replace. BMW N43B20 engine reliability, problems and repair. The only way to increase power in N43 is the same as with N42. This can also be confirmed by fitting a special tool to the oil filter housing and checking the oil pressure with a gauge. If compared with its predecessor N42B18 new engine has pistons with higher compression ratio (12). 1. N43B20U0 version produced for BMW 18i models. The oil pressure should be 1.5 bar at idle when the engine is at operating temperature. And N43B20 was replaced by. Symptoms. In 10 min increased from 149bar to 154bar. Operating temperature of the engine is rather high. It means that it has actually the same problems. December 16th, 2016 bmw fault code 30c1 n43. Powered by  - Designed with the Hueman theme, Normal engine operating temperature, °C (F), BMW N43B20 engine reliability, problems and repair. This is due to the fact that N43 is designed for a city driving but not for racing. The customer’s complaint is that there is a loud rattling noise when the engine is first started. The BMW N43 is a naturally aspirated four-cylinder petrol engine which was sold from 2006-2013. This engine is used on: BMW 120i E81 / E87 (2007-11); In 2011 year of turbocharged BMW engines started. This problem is one of the most common in N43. You’d better get yourself BMW 335i with. BMW N43 Engine Oil Pressure Control BMW N43 Engine Oil Pressure Control Brand: BMW Engine: N43. Don’t forget to check conditions of your cooling system in order to prevent it from overheating. 3. You need to buy cold air intake, performance exhaust and complete engine management tuning. True power fans are not recommended buying N43. Step one on any diagnosis is to confirm the complaint during a complete test drive. N43B20U0 version produced for BMW 18i models. N45B16 and N46B18 versions were also produced along with new engine for cheaper BMW modifications. [4], The N43B20 has a displacement of 1,995 cc (121.7 cu in) and produces up to 125 kW (168 bhp) and 210 N⋅m (155 lb⋅ft).[3][4]. It produced 143 HP at 6,000 rpm and 190 Nm at 4,250 rpm. If you want to get additional 10-15 HP, you need to buy cold air intake, performance exhaust and complete engine management tuning It means that it has actually the same problems. The customer’s complaint is that there is a loud rattling noise when the engine is first started. December 16th, 2016 bmw fault code 30c1 n43. It is worth recalling that since the second generation, the production of the model was... G20 is the largest 3 Series in history: its length, width, height are 4709, 1827 and 1442 mm, respectively. Mini R56 N14 will not start, no fuel pressure, Service interval problem oil dashboard bmw E91 2006.