I purchased a 2010 BMW 320D for my wife in January, but just six months later, in July, the timing chain snapped causing catastrophic engine damage, not to mention the dangerous sudden stop on the road. It has done 153,000 km, many of them cruising on the freeway, and a full BMW service history. The dealer wants more then $4000 just to diagnose the problem. Looking into these cars with the N47 The problem with comparing an E39 M54 with the N52/N54/N55 engines in the E90 series is that none of the E90s come with a water temperature gauge. Instead, they come with either a fuel efficiency gauge or an oil temperature gauge (all 335 models and coupes/convertibles). The issue lies with the fact that the main positive “cable” from the battery box bulkhead through to the jump start point is in fact solid copper bar. Not cable. Mine has fractured causing this intermittent, hot slow starting. I measured the volt drop along this cable and at worst it was up to 3.5v. Check out our BMW 320d overview to see the most problematic years, worst problems and most recently reported complaints with the 320d. 2010 BMW 320d engine problems with 10 complaints from 320d 5 posts · Joined 2017. #1 · Feb 3, 2017. Hello.i am going to buy a Bmw f30 320d (n47).i know about the timing chain issues but i write here to know more about my purchase. (the car i found has 100000 miles and has automatic gearbox (2013 model)).i would like to know more about the reliability and your advices.thank you. Re: Issues with my BMW 320d. The steering noise is a known issue with the E90. BMW is coming up with a solution to it. My suggestion is you go there and show them the problems, rather than getting it picked up every time. Also the gearshifts are a bit jerky at slower speeds sometimes, not an issue. Service Plan. Check the following possible fault causes: 1. Leaks in the air mass system downstream of the compressor. 2. Leaks in the exhaust emission system upstream of the turbine (in combination with air mass plausibility faults). 3. Faulty throttle valve (in combination with faults in the throttle valve). 4. Those ones have those 2 problems fixed and are solid cars. Overall, consumer reports has rated these F30s (2013-2019) as the most reliable luxury sedan, and the forums and driver experience certainly indicate that. I have a 320d 2012, the engine is reliable, everything else isn’t as much. Common problems with bmw f30 include engine misfires, oil leaks, faulty fuel injectors, and electrical issues. This article will explore the different problems that bmw f30 owners may face and provide possible solutions to address these issues. Whether you are experiencing engine performance problems or electrical glitches, understanding the Updates from today: 1) Power Supply (B+) reaching X60003/1 from fuse F4 - yes. 2) Power Supply (B+) from DME Relay, getting to DME at X60003/2 via fuse F37; -- yes, but that the DME Relay is not being activated to make it work. 3) Ground connection of 4 Brown wires to Chassis Ground Point X6454; -- yes. xsOzy7.