![]() ![]() You don’t necessarily have to visit a workshop to clean or replace the pollen filter on your X5. Video: Replacing cabin air filter in BMW X5 As a rule, there is no avoiding a change. ![]() Therefore, the filter performance will not increase significantly even after cleaning. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. This can be done, for example, with a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles. Instead of changing it directly, it is often recommended to first clean the pollen filter. Start by inspecting the condition of the cabin air filter on your X5. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturer’s recommendation. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. It also puts unnecessary strain on the entire AC system which negatively impacts your X5’s fuel consumption. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow. Idle.The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your BMW X5. Typical situation in case of damage of the NOx sensor An exampleĭealers attempt to “sketch” you for EUR 6000? Persistent vibration in Homogeneous mode. Performance tests of CO catalytic converters. Performance tests of CO catalytic converters How to use test module of the Lambda probes What to do?Ī Stratified charge doesn’t reduce fuel consumption?į10/11. Stratified charge performance checkį10/11. The problems of the injectors and misfiresĬar with N57N engine and very low mileageį10/11. Re-adapting of the automatic transmission What other problems can be caused to my car by hidden problems of the NOx system?Īre there any ways to see the “health status” of the NOx system?… What are the main differences between NOXEM emulator and ‘’usual’’ emulators?įuel consumption of my car has increased, but DME has no error messages recorded. What is the difference between NOXEM NOx emulator and OEM NOx sensor? Offset and multiplicative corrections ( coding data) of injectors. Displayed: exhaust temperature, calculated pollution of catalytic converter with sulfur, required Lambda reference values for each of banks. Test module for desulphation of NOx catalytic converter. Module for Standby power leakage measurements.į9/Shift + F3. Test module for oil pressure control and regulation. Test block for fuel tank leakage module (for vehicles with USA configuration).į9/F9. Test block for fuel tank ventilation system.į9/F6. Module for changing the speed settings depending on the mode in idle run (AC switched on, increased battery discharge, e.t.c.).į9/F7. More about management of Lambda probes head here, hidden defects described here.į9/F5. Test block for testing of Lambda probes.Ĭorrect values (after test) for wide-band probes: 0.9/1.1Ĭorrect values (after test) for narrow-band probes: 0.8V Testing cold engine injectors.Īttention: cylinders marked in firing order!į9/F3. Test block for switching off of separate cylinders. Separate software releases require additional increasing of RPM above 1200. Note: Homogeneous lean and Stratified charge are turned on, only if they are allowed. Test block intends manual choice of injection mode, also indication of required and confirmed mode. Note: clearing all 2nd group (Shift + F9) of adaptations also clears data regarding poisoning level of NOx catalytic converter.į9/F1. Adaptations are divided in two groups.į8/F2. ![]() F8 is reserved for deleting of adaptations. ![]()
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