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Message: <blockquote data-quote="deepblueE34" data-source="post: 28375" data-attributes="member: 25014"><p>good morning gentlemen,really need some advice from the resident E34 gurus. In a recent visit to my mech. to investigate my high fuel consumption, and after plugging his scanner to my 520i he said you need to change two knock sensors. I didn't realize the magnitude of his revelation until I called the "stockist" at jalan ipoh to inquire about the price of these cute little devices. Of course, after being told that it will cost me RM600 a piece, I decided to see if I can find them cheaper online. Which brings me here. Now I found two parts that look exactly the same to the naked eye, one for 520i and the other for 525i. the part numbers are 12141730029 and 12141738667 respectively. The 520i part costs almost twice as much (maybe due to rarity of 520i e34's) . Which puts me in a dilemma, whether to go for the exact part and pay more or pay less and risk the part not fitting. What should I do?Appreciate your help :top:</p></blockquote><p></p>