Review on Enhance Engine Performance with MAHLE Original KL 9 Fuel Filter by Charles Dean

We have been using Mahle filters on all the BMWs we service in our workshop for decades. We only repair BMWs and believe these are the best fuel filters (air and oil) available. The end seam is welded, not corrugated, so there is no possibility of leakage. The filter material is excellent and internally sealed so the filter element will never come loose and dirt can pass through and into the fuel system. And they are always the right size. If you need ANY filter for your BMW (or any other European brand), do yourself a favour, pay the price and get the best!