N20: 128 / 228 / 328 / 428 / 528
BMW’s N20 engine is a potent 4 cylinder twin scroll turbocharged powerplant with significant upgrade potential. An upgraded intercooler, turbo and exhaust are the most common performance hardware modifications. We recommend the MHI Stage 1 N20 turbo upgrade for most applications due to the easy install and reliable boost in performance.
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