Top DPF pressure sensor symptoms: Increased fuel consumption. Excessively high engine & transmission temperatures. An increase in black exhaust smoke. Difficulty starting the engine. Check engine light. When the sensor has failed, the DPF is expected to follow. If the exhaust gases are unable to pass through the filter, the back pressure will A diesel particulate filter (DPF) is a filter fitted to cars and it is made to capture and store exhaust soot. The soot is a naturally occurring part of the combustion process, but larger pieces can be dangerous for an engine, so the filter removes this risk. While in the past only diesel cars were fitted with particulate filters, some petrol Diesel particulate filter is loaded too much. Monitoring detects the fault as follows: 1. The fault is detected if the exhaust gas pressure exceeds a limit value. The limit value is calculated from a characteristic map dependent on the engine speed and fuel injection rate. 2. The fault is detected if the exhaust gas pressure exceeds a limit value. Burn Smell - Diesel Particulate Filter. I had a very strong burn smell this afternoon in my 2010 335D (3000 miles). I was driving stop and go in a mall parking lot (windows partially down) and all of a sudden this very strong burn smell appeared. After driving a while it got better and I believe its gone now. One of the biggest reasons why people with diesel engines remove DPF is that it helps improve MPG. Whether you own a Cummins or a Powerstroke, removing the DPF can bring noticeable changes in the MPG. We cannot claim any particular number or value, but it is truly an effective method of increasing MPG. The reason behind this is the backpressure. 335d - diesel particulate filter. To nhastings. My first thread here on this site. I have the EXACT same technical issues on my 2011 335d. It was dropped off at my local BMW dealer yesterday. After diagnosing the problem, i was told i need to replace the diesel particulate filter, ($4000) . They just replace many " under warranty parts " 700 BMW introduced DPF – Diesel particulate filters around 2004 and eventually phased them in to the entire diesel range. If you drive a post 2006 BMW diesel then you probably have a DPF fitted! A Diesel particulate filter gathers, diesel particulates. These particles (carbon) get caught in the filter and begin to build up, eventually getting to Additionally, BLUEFLOW Diesel Particulate Filter is a direct replacement, ensuring a proper fit every time. PRODUCTS DESIGNED TO MEET THE DEMANDS OF DIESEL EMISSIONS. Brand NEW Direct Fit OEM replacement Diesel Particulate Filter(DPF) to suit BMW 320 E90，E91，E92，E93. 05/2007 -- 12/2011. .

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