DreamCatcher88 Posted April 16 Share Posted April 16 I need assistance in replacing the Mass Air Flow (MAF) sensor on my 2012 BMW 320D. Is it OK to go for the Ridex, considering its much lower price, or must I substitute it with the Bosch? Quote Link to comment Share on other sites More sharing options...
colinallcars Posted April 16 Share Posted April 16 I would not recommend purchasing Ridex MAF since inexpensive components often have reliability problems. Adhere to the original specifications provided by the manufacturer. Remember to reset adaptations after changing components such as the Mass Air Flow (MAF) sensor. Quote Link to comment Share on other sites More sharing options...
pharmoun Posted April 16 Share Posted April 16 If there is a choice for video, I would prefer that one. Quote Link to comment Share on other sites More sharing options...
stevenkeyte Posted April 16 Share Posted April 16 I would follow colinallcars's advice. Replace the faulty component with an authentic part and cease any further concerns or worries about its performance. When you purchase anything at a low cost, you often end up having to buy it again due to its poor quality or lack of durability. Quote Link to comment Share on other sites More sharing options...
Ken_Lion Posted April 16 Share Posted April 16 Only Bosch, Siemens, and Febi (Bosch/Siemens with the logos removed) are of sufficient quality to be installed. The Chinese products sold on Ebay are of poor quality, and even the supposedly reputable brands like Bremi and Hella are not much better. I installed a VDO Mass Air Flow (MAF) sensor on an Audi A4, however it resulted in a deterioration in performance compared to the previous state, and it also triggered the Engine Malfunction Light (EML) to illuminate. Simply purchase the authentic product. Quote Link to comment Share on other sites More sharing options...
NevoBMW320i Posted April 16 Share Posted April 16 As the adage goes, whether it comes to sensors, such as BMW sensors or branded aftermarket ones like Bosch, buying cheap will result in having to purchase again in the future. Quote Link to comment Share on other sites More sharing options...
QuirkyPixel Posted April 16 Share Posted April 16 It is often convenient to attribute the issue to the MAF (Mass Air Flow) sensor when other causes or sensor malfunctions are involved. To narrow down the possible causes, you might consider using an inexpensive Ridex MAF (Mass Air Flow) sensor instead of the original one. This alternative option is far less expensive and can be used to see whether it fixes the issue. If the replacement does not resolve the issue, it means that you have not only wasted a significant amount of money on an original item, but also discovered that the problem is elsewhere, resulting in MAF deviation. Malfunctions in the Exhaust Gas Recirculation (EGR) system and air leaks in the induction system may have a negative impact on the functioning of the Mass Air Flow (MAF) sensor and result in the occurrence of false MAF failures. If you lack the necessary software to reset adaptations, driving at various speeds over a duration of time will automatically reset the Digital Diesel Electronics (DDE) system. It should be noted that authentic Bosch MAFs with holographic labels are branded as "made in Germany," but are really manufactured in China under a licencing agreement. Quote Link to comment Share on other sites More sharing options...
nickoyster4 Posted April 16 Share Posted April 16 Pierburg was once the original equipment supplier for several early BMW models, therefore it may be worth considering. Quote Link to comment Share on other sites More sharing options...
pharmoun Posted April 16 Share Posted April 16 The original equipment manufacturer (OEM) brand for the E46 is VDO/Siemens. Quote Link to comment Share on other sites More sharing options...
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