100% OEM dimensional, structural and parameter matching, direct bolt-on installation without modification
Manufactured strictly in accordance with BMW original factory technical standards. The straight inlet compressor housing outline, exhaust manifold mounting hole layout, oil supply and return port position, electronic boost control plug pin definition, turbine and impeller size are fully consistent with genuine 11659895980, interchange cross-reference OE codes include 11657633795, 7633795 for compatible replacement.
No cutting, pipeline refitting or ECU reprogramming is required after replacement. It perfectly fits the original reserved installation position of B38 engine models, matches factory intake and exhaust pipeline layout, and greatly shortens turbo disassembly and maintenance working hours.