
M240i M340i B58 Turbo Kit
Email our sales team for Lead Time 2020–2024 BMW M340i / M240i B58 Gen 2 Top Mount Turbo Kit Upgrade your B58 Gen 2-powered M340i or M240i with this top-mount turbo kit, designed for high-horsepower builds and maximum efficiency. Now available in two different runner sizes to match your performance goals: 1.25" Schedule 40 Runners – Industry standard, proven to support over 1200 HP, featuring a high-flow investment cast collector for optimal performance. 1.5" Schedule 40 Runners – Larger diameter for reduced exhaust backpressure, maximizing power without increasing turbo lag. Key Features Premium tubular stainless manifold (1.90” OD runners) PTE turbo compatibility only (designed for precise fitment—other turbos will not fit) Dual Turbosmart 45mm wastegates for optimal boost control 3.5” stainless downpipe for improved exhaust flow High-quality stainless steel components, including oil and coolant lines, charge piping, and v-band clamps Polished exhaust components (ceramic coating