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BMW M135i F20/F21 326hp N55B30 2015-2016
Manufacturers
BMW M135i F20/F21 326hp N55B30 2015-2016
Exhaust Supertech Valve Stem Gaskets forBMW / TOYOTA B58 N53 N54 N55 S55BMW 135i M135i M140i 1M E8X F2XBMW M235i M240i M2 CS M2 COMPetition F22 F87 G42BMW 325i 330i 335i 340i M340i M3/CS/COMPET E9X F30 F80 G20BMW 435i 440i M4/COMPET/GTS F32 F82BMW 523i 525i 528i 530i 535i 540i E60 F10 F90 G30BMW 630i 640i E63 F13BMW Z4 3.0i M40i E89 G29TOYOTA Supra/GR
Set of 6 forged 4340 steel connecting rods for BMW N55B30 / S55B30.Brands: ZRP, Manley Compatibility: 335i (F30), M2 (F87), M3 (F80), M4 (F82) Engine codes: N55B30, S55B30 Bolts included: ARP 2000 or ARP L19
JE, Manley, Wossner, Diamond forged pistons: bores 84-85 mm, RV 9.0-10.5:1, pin 22 mm. Detailed specs, N55/S55 & BMW vehicle compatibility, OEM references included.
Intake Valve Stem Gaskets SupertechBMW / TOYOTA B58 N53 N54 N55 S55BMW 135i M135i M140i 1M E8X F2XBMW M235i M240i M2 CS M2 COMPetition F22 F87 G42BMW 325i 330i 335i 340i M340i M3/CS/COMPET E9X F30 F80 G20BMW 435i 440i M4/COMPET/GTS F32 F82BMW 523i 525i 528i 530i 535i 540i E60 F10 F90 G30BMW 630i 640i E63 F13BMW Z4 3.0i M40i E89 G29TOYOTA Supra/GR
Reinforced Cometic head gasket, in MLX. Sold individually.Brand: CometicEngines: N55B30Bore: 85 mmThicknesses: 0.81 to 1.52 mmReplaces: 11 12 7 599 212
High-quality Reinforced Exhaust Valves BMW N55B30 S55B30 (Reinforced Exhaust Valves BMW N55B30 S55B30) for reliable fitment and performance.
High-quality Reinforced Intake Valves BMW N55B30 S55B30 (Reinforced Intake Valves BMW N55B30 S55B30) for reliable fitment and performance.
High-quality Reinforced Valve Springs BMW N53B30 N54B30 N55B30 S55B30 (Reinforced Valve Springs BMW N53B30 N54B30 N55B30 S55B30) for reliable fitment and performance.
Sport air filter DINAN BMW 135i F2x M235i/M2 F22/F87 335i/435i F3x/F8x N55B30
Kit of 24 half-moon valve collets for SUPERTECH / FERREA valves, 6mm diameter:Number of grooves of your choiceReferences: KPR-6S-7-24, KPR-VW6-T-24
Trimetal Crankshaft Bearings ACL Race / King RacingBMW N54 N55 S55BMW 135i / M135i / 1M E82 F20/F21 2007-BMW M235i / M2 / M2 CS / M2 COMPetition F22 F87 2013-2021BMW 335i / M3 / M3 CS / M3 COMPetition E9X F80 2006-2018BMW 435i / M4 / M4 COMPetition / M4 GTS F32 F82 2013-2020BMW 535i F10 2009-2016BMW 640i F13 2011-2017BMW Z4 E89 2009-2016References:...
Set of 12 trimetal connecting rod half-bearings for BMW N54B30 N55B30 S55B30.Brands and treatments: ACL Race, ACL Calico and King GPC Compatibility: E82, E90, F20, F22, F30, F32, F80, F82 Engine codes: N54B30, N55B30, S55B30 Available sizes: standard to +0.50 mm, increased-clearance versions (HX, STDX)
Kit of 24 valve collets for SUPERTECH / FERREA valves, 5mm diameter: Number of grooves of your choiceReference: KPR-5.0-7S-24
The 2015 model year BMW M135i F20/F21 takes the N55B30 to 326hp. This page details its bottom end.
Forged pistons cover 84 and 84.5mm bores, with compression ratios from 9:1 to 10.3:1 and a 22mm gudgeon pin, in the JE PISTONS, MANLEY, SUPERTECH and WÖSSNER ranges. Forged rods are chosen between an I beam from ZRP and MANLEY and an H beam from MANLEY, with L19 or ARP2000 bolts. Big end and main bearings are ACL RACE or pMaxKote-coated KING RACING tri-metal shells.
A DINAN sports air filter completes the page on the intake side.
