BMW M340i G20 374/387hp B58B30 2019-

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BMW M340i G20 374/387hp B58B30 2019-

BMW M340i G20 374/387hp B58B30 2019-

BMW M340i G20 374/387hp B58B30 2019- 

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BMW M340i G20 374/387hp B58B30 2019-

The BMW M340i G20 is rated at 374hp or 387hp depending on model year, running the B58B30, the 3.0 24V turbo six shared with the TOYOTA Supra.

Two forged piston ranges answer each other here: the standard range by JE PISTONS, JE Ultra Series, WÖSSNER and DIAMOND, 82mm to 83mm, 10.5:1 to 11:1, 32.2mm to 33.2mm compression height; and the stroker range for the 100mm crankshaft, JE Ultra Series at 11:1 with the height cut to 30.5mm. Around them: ZRP and BOOSTLINE rods, ACL RACE and KING RACING pMaxKote bearings, ATHENA O-ring or COMETIC MLX gaskets, ARP studs, SUPERTECH head parts.