Wagner Tuning Intercooler Upgrade for BMW 5 Series Diesel – Performance & Efficiency for M47 & M57 The ultimate cooling upgrade for your BMW 520d, 525d, and 530d. Give your classic BMW the fresh air treatment it deserves. The Wagner Tuning high-performance intercooler for BMW diesel models is the perfect solution for anyone who values increased efficiency and noticeably more power. Whether as a replacement for an aging standard cooler or as the basis for a performance upgrade, this upgrade sets new standards. Product highlights & your performance advantages: Massive increase in volume: With a net volume of 11.3 liters, the Wagner Tuning cooler offers an impressive 144% more volume than the standard component (4.62 liters). Optimized airflow: The mesh area has been increased by 81% to 981.2 cm² (standard: 543 cm²), which guarantees highly efficient heat dissipation. Efficient airflow: Due to the massive increase in size, the high-performance mesh ensures 21% less back pressure with the same air mass, which noticeably reduces the load on the turbocharger. Outstanding cooling performance: The combination of a larger surface area and modern mesh design significantly reduces the intake air temperature and protects the engine from thermal overload. Durability & protection: Equipped with a heat-conducting anti-corrosion coating, cooling performance is fully maintained even under continuous environmental influences. Installation: The kit directly replaces the original part (OEM part number: 17512247359) and allows for easy replacement with minor modifications. Direct comparison to the standard intercooler: The original diesel intercooler quickly reaches its thermal limits even in standard condition. Our upgrade makes no compromises here: While the OEM mesh (543 mm x 100 mm x 90 mm) is only designed for efficiency under standard loads, the Wagner Tuning performance mesh (535 mm x 183.4 mm x 115 mm) offers the necessary reserves for every driving situation – from towing to optimized map adjustment. Fit accuracy & vehicle list: This intercooler is the ideal choice for the legendary BMW M47 and BMW M57 diesel engines in: BMW 520d E39 100 kW / 136 hp 2000–2003 BMW 525d E39 120 kW / 163 hp 2000–2004 BMW 530d E39 135 kW / 184 hp 1998–2000 BMW 530d E39 142 kW / 193 hp 2000–2004 Kit comes with: 1x high-performance intercooler (black coated) including installation instructions. Replaces the original BMW part number: 17512247359. “Designed for the few, not for the many” – Maintain the performance and longevity of your BMW E39 with the proven engineering expertise of Wagner Tuning!