The KLM Single Turbo Conversion kit comes fully equipped with all the necessary components to transform the S58-Powered BMW G80 M3 / BMW G82 M4 from its original twin-turbo setup to a single turbo configuration

and S52 inline-six engines

and 11340150843

and fuel/ignition corrections

allowing for faster acceleration and better engine response

ARP Head Stud Kit, BMW S14 Intake Manifold The KLM Single Turbo ConversionThis ARP head stud Kit is designed for the BMW S14 B20, S14B23, S14B25, S14B27 engines found in the E30 M3. Installing ARP head studs can provide several benefits, including increased clamping force, improved head gasket sealing, and greater overall engine strength. This is especially important in high performance and racing applications where the engine is subjected to increased stress and higher temperatures. Before installing ARP head studs, it is