Mostcommonly, the BMW F30 has several problems with the engine and transmission, ranging from having leaks to failure of certain parts such as the timing chain. Furthermore, the turbo also is not very reliable, and the interior and the suspension are known for starting to squeak over time. However, that doesn’t tell the whole story. Tofinish off the four-liter E90s, BMW introduced the 320si between 2006 and 2007, featuring a new N45 2.0-liter with an impressive output of 170 horsepower and 150

20072011 E90/E91/E92/E93 320i BMW 3 Series ( BMW N43 Engine Problems ) 2007-2009 E60/E61 520i BMW 5 Series ( BMW N43 Engine Problems ) The N43 was not regarded as one of the most reliable engines from BMW as it had a whole host of issues which ranged from failing coil packs , oil pumps, injectors, tensioners, sensors,

BMW320i E90 BMW 520i E60 BMW X1 E84 BMW X3 E83 BMW Z4 E85: N46NB20 (2007 – 2012) is actually the same as 150 HP engine version with new cylinder head cover and exhaust system. BMW N46B20 common problems. 1. High oil consumption. Reasons for this problem are the same as in BMW N42 and it is mainly Avoidmodels from 2007 which have more mechanical issues, The most common problems with the 2010 BMW 3 Series include shaking while braking, loss of power while driving, and a worn-out airbag sensor. Overall, these problems are similar to other luxury cars from 2010, but 3-Series repair costs are a bit higher due to parts costs.
200711 BMW E93 3-Series Convertible: won't unlock/start, may shut down due to electrical failure. In June 2018, a recall (campaign number 00 61 7704 00) was issued for BMW E93 3-Series Convertibles that were available for sale from 1 March 2007 to 31 October 2011. Due to a possible electrical connection failure to the car's main battery power
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2007 bmw 320i common problems