KPerformance™ Front Mount Intercooler for BMW F06, F12, F13 640d, 640dX models with N57Z engine. Our intercooler delivers up to 97% more cooling capacity over OEM. Built with a high-density Bar & Plate core, it keeps intake temps low even under extreme boost pressures (3 bar ). The result is reliable, consistent performance — perfect for aggressive Stage 2 and Stage 3 builds, where every degree counts. FITS THESE BMW MODELS: BMW 6 Series: F06, F12, F13 [2011-2018] 640d (230kw / 313hp) – N57Z 640dX (230kw / 313hp) – N57Z Note: If your model is not listed here, look for it under another product. If you cannot find your model anywhere, contact us for assistance. SPECIFICATION: • Core width: 570 mm • Core height: 302 / 206 mm • Core depth: 45 / 100 mm • Inlet/outlet: 61 mm • Air capacity: 14.2 L • Structure: Bar & Plate • High-grade aluminum ⚠️ BE AWARE: Not All Intercoolers Are Created Equal Many less reputable sellers offer intercoolers that may look identical on the outside, but inside they use a cheap Tube & Fin core. These cores are typically 30–60% lighter, far less durable, and deliver only a fraction of the cooling performance of a true Bar & Plate intercooler. OEM reference part numbers: 17 51 7 812 016, 17517812016, 7812016