BMW 435i F32/F82 306hp N55B30 2013-2016

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BMW 435i F32/F82 306hp N55B30 2013-2016

BMW 435i F32/F82 306hp N55B30 2013-2016

BMW 435i F32/F82 306hp N55B30 2013-2016 

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BMW 435i F32/F82 306hp N55B30 2013-2016

The N55B30 in the BMW 435i F32/F82 is the single-turbo 3.0 24V straight-six, shared with the 135i, M235i, 335i and 535i. The performance stock is common to the 306 and 340hp versions.

This page takes the engine from the bottom up: forged pistons in 84, 84.02 and 84.5mm bores, compression ratios from 9:1 to 10.3:1 and a 22mm gudgeon pin, across the JE, Manley, Supertech and Wossner ranges; ZRP 4340 forged I-beam rods and Manley in H-beam and I-HD, with ARP2000 or L19 hardware.

Tri-metal big end and main bearings come from ACL RACE untreated or KING RACING with pMaxKote, in standard, with HX clearance and in undersize down to 0.50mm.