BMW N series petrol engines N43, N46, N52, N53, N54.
I'm aware of problems in other BMW engines.
Only after correct diagnostics, the repair can follow. 153 months. BMW Petrol Engine – Timing Chain Problems Premature timing chain failure has become a serious problem for many BMW owners – the issue has been featured on BBC Watchdog and is regularly discussed in BMW forums and other media sites.
The BMW N46 is a straight-4 DOHC piston engine which replaced the N42 and was produced from 2004 to 2015..
It is installed for optimized torque and power characteristics at high and low rpm. Finns det några "vanliga" fel. BMW called that system DISA. Shortly about the problem.
I thought the N46 would be better since its newer but some people say the N42 is more reliable The main reason why I'm comparing the two engines is because I've heard that the N46 is problematic on the 320i E90.
BMW’s tend to break down a lot, and parts and servicing is wildly expensive.
Bilen har gått 15000 mil, och har enligt boken full stämpling på verkstäder. Compared with its N42 predecessor, the N46 features a revised crankshaft, intake manifold and valvetrain.
I put this problem separately, because this case clearly shows, how important is to perform quality diagnostics. We also wrote an N54 engine problems guide you can read to compare the two! The N42B20 engine was installed in BMW 18i models. This entry is a part of N46 engine repair.
Har en kompis som har tillgång till bilverkstad (jobbat med BMW tidigare). Also, there is Bosch DME ME9.2 fuel injection system. Because the N52 doesn’t have an HPFP or direct injection, these are two common N54 issues that drivers of the N52 won’t have to worry about.
I've heard about the valve stem seals problem before on the N46.
misfires Friday 16th December 2016. 8Tech.
Besides the engine has the smaller displacement version - 1.8L N42B18 engine. Most commonly affecting the 2.0 litre diesel with the N47 engine…
Men han var inte jätte bekant med dessa problem på N46 motorn, och blev lite ställd.
E90 with the N46 engine, already after one year after purchase of new vehicle EML indicator […]
In 2007, the N46 was updated, which was known as the N46N. Some years have problems with oil pressure which requires a complete engine rebuild, often at under 40,000 miles.
Due to the engine design, the N52 has proved more reliable than it’s bigger brother, the N54. 1,844 posts. ignition coils problems. Cheers.