KPerformance™ Front Mount Intercooler for BMW G30, G31 518d, 520d, 520dX, 520d ED, 525d, 530d, 530dX, 540dX models with B47, B47B, B47D and B57 engines. Our intercooler delivers up to 140% 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 (Without Mild-Hybrid system): BMW 5 Series: G30, G31 [2017-07/2020] 518d (110kw / 150hp) – B47B 520d (140kw / 190hp) – B47 520dX (140kw / 190hp) – B47 520d (140kw / 190hp) – B47D 520dX (140kw / 190hp) – B47D 520d ED (140kw / 190hp) – B47 525d (170kw / 231hp) – B47 530d (195kw / 265hp) – B57 530dX (195kw / 265hp) – B57 540dX (235kw / 320hp) – B57 Important: This intercooler is not compatible with vehicles equipped with the 01CE Recuperation system, also known as Mild Hybrid or eBoost. To check, open the hood and look for a 48V battery on the passenger side near the firewall. If present, your vehicle has the Mild Hybrid system, and this cooler will not fit. Still not sure? Send us your VIN, and we’ll verify it for you. SPECIFICATION: • Core width: 570 mm • Core height: 235 / 140 mm • Core depth: 110 / 155 mm • Inlet/outlet: 61 mm • Air capacity: 18.1 L • Structure: Bar & Plate • High-grade aluminum • Intercooler weight: 14.1 kg ⚠️ 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 8 576 509, 17518576509, 8 576 509, 8576509, 17 51 8 576 510, 17518576510, 8 576 510, 8576510