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ACL Race Conrod Bearing Set - BMW M240i G42/Z4 M40i G29 B58 6B1510H
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ACL Race Main Bearing Set - BMW M240i G42/Z4 M40i G29 B58 7M1512H
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ARP Head Stud Kit - BMW M240i G42 and Z4 M40i G29 B58 201-4701
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ARP Main Stud Kit - BMW M240i G42 and Z4 M40i G29 B58 201-5402
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BW H-Beam Connecting Rods - BMW M240i G42 and Z4 M40i G29 B58
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BW I-Beam Connecting Rods - BMW M240i G42 and Z4 M40i G29 B58
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Carrillo Connecting Rods Set for M240i G42 and Z4 M40i G29 - B58B30 w/ CARR Bolts
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Carrillo Connecting Rods Set for M240i G42 and Z4 M40i G29 - B58B30 w/ WMC Bolts
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JE Pistons BMW M240i G42 and Z4 M40i G29 B58B30 Piston Kit
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K1 Technologies BMW M240i G42 and Z4 M40i G29 B58 Forged Connecting Rod Set
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Kelford Cams BMW M240i G42 B58 Extreme Valve Springs & Retainers
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Kelford Cams BMW M240i G42 B58 Valve Springs & Retainers
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King Racing Conrod Bearing Set - BMW M240i G42 and Z4 M40i G29 B58 CR6887GPC
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King Racing Main Bearing Set - BMW M240i G42 and Z4 M40i G29 B58 MB7779XPC
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Mahle Motorsport Forged Piston Set for BMW M240i G42 and Z4 M40i G29 B58
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MMX Oil Filter Housing - BMW B58 M240i, M340i, M440i
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The B58 Gen 2 engine in the G42 M240i xDrive is legendary for its structural strength, but pushing for big-turbo numbers or hybrid turbo upgrades requires reinforced engine internals. Extreme cylinder pressures from aggressive ECU remapping test the limits of factory pistons and rods. Fortify your block using high-strength Forged Pistons and heavy-duty Forged Connecting Rods/Conrods. Secure your rotating assembly using high-tensile Upgraded Engine Bolts (ARP) and minimize internal drag with race-specification Performance Bearings (Conrod & Mains). Ensure a perfect seal across your block and cylinder head under elevated boost using heavy-duty Engine Gaskets.