The BMS N55 Replacement Intercooler Upgrade: Unlock enhanced cooling, more wheel power, and prolonged performance for extended runs. Featuring a larger core and increased surface area compared to stock options, it significantly reduces intercooler pressure drop, delivering a substantial improvement in cooling efficiency. Experience peak power gains of approximately 10whp and, during extended pulls and consecutive runs, enjoy an impressive boost of up to 20-30whp over the factory BMW intercooler.