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BMW 4 Series G22 G82
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BMW 4 Series G22 G82
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Every uprated engine part we stock for the BMW 420i G22 184hp, B48B20A 2.0L 16V turbo.
The rotating assembly is covered by forged pistons from JE, WOSSNER and SUPERTECH in 82 to 83mm bore and 9.5:1 to 11:1 compression ratios, BOOSTLINE and ZRP forged connecting rods in 4340 steel with ARP2000, L19 or CA625+ bolts, and ACL RACE tri-metal big end bearings in standard, +0.025mm and +0.25mm. On the cylinder head side: SUPERTECH intake and exhaust valves, springs, retainers, valve stem seals and collets, plus ARP head studs and main studs. The COMETIC MLX head gasket in 83.5mm bore, offered in 0.81 and 1.02mm, is carried on this page only.
The uprated engine parts for the BMW 430i G22, B48B20B 2.0L 16V turbo, in both its 245 and 258hp outputs.
This page brings together forged pistons from JE, WOSSNER and SUPERTECH in 82 to 83mm bore and 9.5:1 to 11:1 compression ratios, BOOSTLINE and ZRP forged connecting rods in 4340 steel with ARP2000, L19 or CA625+ bolts, ACL RACE tri-metal big end bearings in standard, +0.025mm and +0.25mm, ARP head studs and main studs, and the full SUPERTECH valvetrain: intake and exhaust valves, springs, retainers, valve stem seals and collets. No uprated head gasket is listed for this engine: see the 420i B48B20A page.
The BMW M4 G82 473hp, S58B30B 3.0L 24V twin-turbo, and the uprated parts that hold its bottom end together.
The centrepiece of this page is the set of six ZRP forged connecting rods in 4340 steel, supplied with a choice of ARP2000 or ARP L19 bolts, the same part shared by the M3 G80, M4 G82, M2 G87, X3 M F97 and X4 M F98. The build is completed by KING RACING tri-metal big end bearings with pMaxKote coating in standard, HX clearance, +0.026mm and +0.25mm, KING RACING pMaxKote or untreated ACL RACE main bearings, and the ATHENA O-ring head gasket in 85.0mm bore and 1.00mm thickness.
The BMW M4 Competition G82 510hp, S58B30A 3.0L 24V twin-turbo, and the uprated parts for its bottom end.
510hp loads the bearings first, so this page leads with KING RACING tri-metal big end bearings with pMaxKote anti-friction coating and KING RACING pMaxKote or untreated ACL RACE main bearings. Both sets are ordered in standard size, in the wider HX running clearance and in +0.026mm and +0.25mm undersizes for a reground crankshaft. Alongside them sit the set of six ZRP forged connecting rods in 4340 steel with ARP2000 or L19 bolts, and the ATHENA O-ring head gasket in 85.0mm bore and 1.00mm thickness.
The BMW M4 CSL G82, 550 and 560hp, S58B30A 3.0L 24V twin-turbo, and the uprated parts available for it.
At this boost pressure, head sealing comes first: this page carries the ATHENA O-ring head gasket in 85.0mm bore and 1.00mm thickness, designed to take a fitted sealing ring. The page is completed by the set of six ZRP forged connecting rods in 4340 steel with ARP2000 or L19 bolts, KING RACING pMaxKote tri-metal big end bearings and KING RACING pMaxKote or ACL RACE main bearings. Neither forged pistons nor performance valves are currently listed for the S58B30A.
High-quality Tail Gaskets Exhaust Valves BMW / MINI 2.0 16V B48B20 B48A20 (Tail Gaskets Exhaust Valves BMW MINI 2.0 16V) for reliable fitment and performance.
Set of 4 forged 4340 steel connecting rods for BMW / MINI 2.0L 16V Turbo B48B20.Brands: Boostline, ZRP Compatibility: BMW 1, 3 and 5 Series, X3; MINI Cooper Engine codes: B48B20 Bolts included: ARP 2000, L19 or CA625+
B48 forged pistons (BMW/MINI/Toyota): Table O82.83, RV 9.5:1 to 11:1, pin 22, CH 33.2. JE, Wossner, Supertech ranges. Engine and vehicle compatibility + OEM references.
High-quality Tail gaskets Valves Intake BMW / MINI 2.0 16V B48B20 B48A20 (Tail gaskets Valves Intake BMW MINI 2.0 16V) for reliable fitment and performance.
Kit of 14 ARP cylinder head studs for the BMW and Toyota GR Supra B58B30 engine (3.0 24V).Brand: ARP Engines: B58B30 Thread: M11 Grade: ARP2000, CA625+
Kit of 14 ARP2000 crankshaft main studs for the BMW and Toyota GR Supra B58B30 engine.Brand: ARP Engines: B58B30 Thread: M10 x 1.5 Grade: ARP2000
Reinforced Athena and Cometic head gaskets, in O-Ring, MLX and DST. Sold individually, one gasket per engine.Brands: Athena, CometicEngines: S58B30Bore: 85 mmThicknesses: 0.91 to 1.80 mmReplaces: 11 12 8 088 729
High-quality Reinforced Exhaust Valves BMW / MINI B48B20 B48A20 (Reinforced Exhaust Valves BMW MINI B48B20 B48A20) for reliable fitment and performance.
High-quality Reinforced Intake Valves BMW / MINI B48B20 B48A20 (Reinforced Intake Valves BMW MINI B48B20 B48A20) for reliable fitment and performance.
High-quality Reinforced Valve Springs BMW / MINI 2.0 16V B48B20 B48A20 (Reinforced Valve Springs BMW MINI 2.0 16V B48B20) for reliable fitment and performance.
Kit of 16 half-moon valve collets for SUPERTECH / FERREA valves, 6mm diameter:Number of grooves of your choice
KING RACING tri-metal big end bearing set for BMW 3.0 24V S58B30A S58B30B: BMW M3 / M3 Competition / M3 CS G80 2020 - BMW M4 / M4 Competition / M4 CSL G82 2020 -
Trimetal Crankshaft Bearing Set ACL /King Racing forBMW / TOYOTA engine 3.0 24V B58B30:BMW M140i F20 F21 2015 -BMW M240i F22 F87 2015 - 2021BMW M240i G42 2021 -BMW 340i F30 F80 2015 - 2018BMW M340i G20 2019 -BMW 440i F32 F82 2016 - 2020BMW 540i F90 G30 2016 - 2020BMW Z4 M40i G29 2018 -TOYOTA Supra / Supra GR 2019 -
Set of 8 trimetal connecting rod half-bearings for BMW and MINI 2.0 turbo B48.Brand and treatment: ACL Race Compatibility: BMW 1 to 7 Series, X1 to X4, Z4; MINI Cooper S, John Cooper Works Engine codes: B48A20, B48B20 Available sizes: standard to +0.25 mm, increased-clearance version (HX)
kit of 16 half-moon/valve keys for SUPERTECH/FERREA valves, 5mm diameter:Number of grooves of your choiceReference: KPR-5.0-7S-16
This page covers the uprated engine parts for the BMW 4 Series G22 and the M4 G82, split by engine code: B48B20A and B48B20B for the 420i and 430i, S58B30A and S58B30B for the M4.
For the B48B20 you will find forged pistons and forged connecting rods, tri-metal big end bearings, SUPERTECH performance intake and exhaust valves with their springs, collets and stem seals. For the S58B30 the range covers a reinforced head gasket and tri-metal big end and main bearings.
Choose your engine sub-category to see only the parts that fit.
