BMW 3 Series G20 G80

Manufacturers

BMW 3 Series G20 G80

BMW 3 Series G20 G80

BMW 3 Series G20 G80 

There are 26 products.

Subcategories

  • BMW 320i G20 184hp B48B20A 2019-
    BMW 320i G20 184hp B48B20A 2019-

    The BMW 320i G20 rated at 184hp runs the B48B20A, the 2.0 16V turbo four shared with MINI.

    This is the only G20 page carrying the COMETIC MLX head gasket in 83.5mm bore, offered in 0.81mm and 1.02mm. Around it sits the full rotating assembly: forged pistons by JE PISTONS, WÖSSNER and SUPERTECH from 82mm to 83mm, 9.5:1 to 11:1, 22mm gudgeon pin; 4340 steel forged connecting rods by ZRP and BOOSTLINE with ARP2000, L19 or CA625+ bolts; ACL RACE tri-metal big end bearings in standard, HX clearance, +0.025mm and +0.25mm. SUPERTECH valves, springs, stem seals and collets complete the head.

  • BMW 320i G20 184hp B48B20B 2019-
    BMW 320i G20 184hp B48B20B 2019-

    The 320i G20 at 184hp also comes with the B48B20B, a variant of the 2.0 16V turbo at the same output.

    This page is read through the rotating assembly and its sizes: forged pistons by JE PISTONS, WÖSSNER and SUPERTECH in 82mm, 82.5mm and 83mm, 9.5:1 to 11:1, 33.2mm compression height, 22mm gudgeon pin; a set of four 4340 steel forged connecting rods by ZRP and BOOSTLINE with ARP2000, L19 or CA625+ bolts; ACL RACE tri-metal big end bearings in standard, HX clearance, +0.025mm and +0.25mm. SUPERTECH valves, springs and collets close the head, clamped by ARP2000 studs.

  • BMW 330i G20 245hp B48B20B 2022-
    BMW 330i G20 245hp B48B20B 2022-

    The BMW 330i G20 at 245hp, built since 2022, runs the B48B20B, a 2.0 16V turbo four.

    This page details its cylinder head: a set of 8 SUPERTECH intake valves and a set of 8 exhaust valves in standard size, a set of 16 uprated valve springs supplied with their retainers, stem seals listed separately for intake and exhaust, and collets in 5mm and 6mm with one or three keeper grooves. Clamping is handled by ARP2000 head studs and main studs. The forged rotating assembly is listed on the same page.

  • BMW 330i G20 258hp B46B20B 2018-
    BMW 330i G20 258hp B46B20B 2018-

    The BMW 330i G20 at 258hp is listed here under the B46B20B, a 2.0 16V turbo four.

    This page currently carries ARP fasteners only: uprated head studs in the ARP2000 range and the ARP2000 crankshaft main stud kit, ten studs and ten nuts, which stops main cap walk under heavy load. Both kits are listed by the manufacturer for the B48, so please check your own engine code before ordering. Pistons, connecting rods, bearings, valves and head gasket are not listed on this page: ask us for the missing part.

  • BMW 330i G20 258hp B48B20B 2018-
    BMW 330i G20 258hp B48B20B 2018-

    The 330i G20 at 258hp in B48B20B form shares the uprated stock of the 2.0 16V turbo.

    This page is read through its fasteners and sizes. ARP head studs and crankshaft main studs are ordered in the ARP2000 range; 4340 steel forged connecting rods by ZRP and BOOSTLINE are chosen with ARP2000, L19 or CA625+ bolts depending on the target output. ACL RACE tri-metal big end bearings come in standard, HX clearance, +0.025mm and +0.25mm oversize. Forged pistons by JE PISTONS, WÖSSNER and SUPERTECH run 82mm to 83mm.

  • BMW M340i G20 374/387hp B58B30 2019-
    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.

  • BMW M3 G80 480hp S58B30B 2020-
    BMW M3 G80 480hp S58B30B 2020-

    The BMW M3 G80 rated at 480hp is driven by the S58B30B, a 3.0 24V twin-turbo six derived from the B58.

    The heart of this page is the forged connecting rod: a set of six 4340 steel ZRP rods with an I-beam body, supplied with ARP2000 or ARP L19 bolts depending on the target output. They are ordered alongside the KING RACING tri-metal big end bearing set with pMaxKote coating, available in standard, HX clearance, +0.026mm and +0.25mm. The page also carries ACL RACE and KING RACING main bearings and the 85.0mm ATHENA O-ring head gasket.

  • BMW M3 Competition G80 510hp S58B30A 2021-
    BMW M3 Competition G80 510hp S58B30A 2021-

    The BMW M3 Competition G80 produces 510hp from the S58B30A, a 3.0 24V twin-turbo six.

    At this level of boost pressure, head sealing governs everything else: this page carries the uprated ATHENA head gasket in O-ring form, 85.0mm bore and 1.00mm thick, built to hold the combustion pressure of a built engine. It is completed by the set of six 4340 steel forged ZRP connecting rods with ARP2000 or L19 bolts, KING RACING pMaxKote big end bearings and ACL RACE and KING RACING main bearings.

  • BMW M3 CS xDrive G80 550hp S58B30A 2023-
    BMW M3 CS xDrive G80 550hp S58B30A 2023-

    The BMW M3 CS xDrive G80 pushes the S58B30A to 550hp, the highest step of the M3 range.

    This page is read through its bearings. KING RACING tri-metal big end bearings carry the pMaxKote coating and come in standard, HX clearance, +0.026mm and +0.25mm; main bearings are ordered in ACL RACE without coating or in KING RACING pMaxKote, in the same sizes. Added to them are the set of six forged ZRP connecting rods and the 85.0mm ATHENA O-ring head gasket. Forged pistons, valves and ARP fasteners are not listed here: please ask us.

Showing 1 - 26 of 26 items
BMW 3 Series G20 G80

This page gathers the uprated engine parts for the BMW 3 Series G20 and the M3 G80, sorted by engine code: B46B20B, B48B20A, B48B20B, B58B30 and the S58B30 of the M3.

The parts in stock cover the B48, B58 and S58B30 engines: forged pistons and forged connecting rods, tri-metal big end and main bearings, performance intake and exhaust valves with their springs, collets and stem seals, a reinforced head gasket, and ARP head studs and main studs.

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