4. Check diesel particulate filter (visually check whether the exhaust tailpipe and diesel particulate filter outlet are covered with soot). 5. Perform regeneration. Only possible when driving at constant speed for at least 30 min. (In connection with this fault, regeneration cannot be initiated with the corresponding service function).
BMW states in DIS57 that the DPF regen requires; 10 litres of Diesel in tank Coolant temp to be over 75c Constant 40mph road speed Most DPF regen issues are caused by faulty coolant thermostats and constant short journeys, both resulting in engine temperatures not going over 75c, so the regen process does not happen resulting in a heavily clogged DPF. #1 ¡ Apr 26, 2021 Hi, my 2007 X3 3.0d has recently started losing power and I presume it to be a dpf issue as the car has only done very short distances over the last 18 months. Is there a way of kick start the regeneration process without taking it to a bmw dealer? Is there a cheapish diagnostic unit which can fault find and initiate this? thanks
When the DPF filter reaches about 45% blockage the filter will begin “active regeneration” this means that the EGR (Exhaust gas Recirculation) valve is closed, the boost pressure from the turbo is increased slightly along with a slightly higher idle RPM. Diesel is then injected into the cylinders just after combustion so that it enters the

If your DPF is clogged and it keeps clogging, and if you’re doing enough low-load highway driving to support active regeneration, and you’re back at the dealership a dozen times for a manual regeneration in a service bay, the blockage is a symptom of a problem elsewhere. Guaranteed. And treating the symptom never cures the problem.

6. Add 1 x JLM DPF Cleaner to prepare the DPF for optimal regeneration (recommended). 7. Start a regeneration cycle via the on-board computer, following the VM guidelines. Reset any warning signals related to the DPF. Alternatively, drive the vehicle for approx. 20 minutes at suitable speed/RPM to initiate a regeneration cycle.
To properly clean the Diesel Particulate Filter while driving, you will need to ride. The highway represents an ideal ground for this exercise, but simple roads will do the business. Maintain an engine speed of at least 3,000 rpm. Indeed, the engine’s level of heating is indirectly linked to the heating of the DPF too. 2. Throttle valve gets broken. In diesel engine this is used only for smooth engine shutdown, and for the DPF regeneration. No functional throttle valve -> no regeneration. 3. Regular too short driving distance. Engine does not warm up to the 75c degree temperature and the regeneration does not happen.

An open-end spanner will not work without causing a mar to the sleeve nut. Before installing the new sensor spraying a can of DPF Cleaner into the open hole (the one on the rear) is an excellent move to help the dpf break free. The 1st dpf regen after the sensor change now has to be forced with a tester.

Key Takeaways Unlock the power of BMW DPF Regeneration with the Carly app in 2023. Learn how to properly prepare your vehicle for successful regeneration and monitor progress using live data tracking features. Benefit from additional features such as battery registration, service reset, OBD diagnostics and used car check. Had an interesting conversation with a BMW shop foreman recently. Among other things, we discussed exhaust soot and frequency of DPF regeneration. First, I want to say that Performance BMW in Chapel Hill seems like a great place to have work done on your luxury oil burner. There's a shop The Diesel Particulate Filter needs to be heated to a very high temperature in order to burn off the particles of soot. This can be achieved in one of two ways: active regeneration or passive regeneration. Passive Regeneration. When you drive for a long time at high speeds, the exhaust reaches very high temperatures. Driving at 70mph or above Ash build-up is the primary reason for premature DPF failure and is the most important factor controlling the service life of the filter. Ash and soot accumulation restricts exhaust flow, therefore increasing back pressure, making it harder for the engine to breathe. This can greatly affect performance and fuel consumption. The regeneration process works either one of two ways, passive regeneration or active regeneration. In passive regeneration, the soot trapped in the DPF is burned due to the heat of the engine. When the engine gets hot enough, the soot burns and combines with oxygen to create carbon dioxide , which is then able to escape from the DPF to the QNphE.
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