Designed for the demands of high-performance builds, the Manley H-Beam Connecting Rod Set is the perfect upgrade for BMW/Toyota B58 engines. Manufactured from premium 4340 steel forgings, these rods offer a lightweight construction without compromising strength. Engineered to replace BMW part numbers #11248623419 and #11247589671, the 148mm-length rods are ideal for high-horsepower and forced induction applications.
Whether you’re tuning for street, track, or drag racing, these rods can handle up to 8500 RPM and support engines producing up to 1200 horsepower. Each set includes ARP 2000 rod bolts, providing additional clamping force and reliability under extreme conditions.
Precision Engineering for Maximum Reliability:
Manley’s H-Beam rods undergo advanced manufacturing processes, including:
- Heat treatment and stress relief for durability under heavy loads.
- Shot peening to increase fatigue resistance.
- Magnaflux inspection for detecting any micro-cracks.
- Weight-matched to within +1.5 grams to ensure perfect balance across all cylinders.
This precision-crafted set ensures valvetrain stability, enhanced engine balance, and long-term performance, making it a trusted choice for enthusiasts building high-boost or high-RPM B58 engines.
BMW B58 Gen 1 Applications:
1 Series
2016-2019 F20/F21 M140i
2 Series
2016-2019 F22/F23 M240i
3 Series
2015-2019 F30/F31 340i / 340i xDrive
2016-2019 F34 340i GT / 340i GT xDrive
4 Series
2016-2020 F32/F33/F36 440i / 440i xDrive
5 Series
2016-2019 G30/G31 540i / 540i xDrive
6 Series
2017-2019 G32 640i GT / 640i GT xDrive
7 Series
2015-2019 G11/G12 740i / 740i xDrive
X3 Series
2017-2019 G01 X3 M40i
X4 Series
2018-2019 G02 X4 M40i
BMW B58 Gen 2 Applications:
3 Series
2019-Present G20/G21 M340i / M340i xDrive
4 Series
2020-Present G22/G23/G26 M440i / M440i xDrive
Z Series
2019-Present G29 Z4 M40i
5 Series
2020-Present G30/G31 LCI 540i / 540i xDrive
6 Series
2020-Present G32 LCI 640i GT / GT 640i xDrive
7 Series
2019-Present G11/G12 LCI 740i / 740i xDrive
X3 Series
2020-Present G01 X3 M40i
X4 Series
2020-Present G02 X4 M40i
X5 Series
2018-Present G05 X5 xDrive40i
X6 Series
2019-Present G06 X6 xDrive40i
X7 Series
2018-Present G07 X7 xDrive40i
ALPINA B58 Gen 2 Applications:
B3 Series
2020-Present G20/G21 B3
B4 Series
2022-Present G22 B4
B5 Series
2020-Present G30 B5
XB7 Series
2020-Present G07 XB7
Toyota B58 Gen 2 Applications:
A90 / A91 Supra
2020-Present GR Supra 3.0
2020-Present GR Supra 3.0 Premium
2021-Present GR Supra 3.0 A91 Edition
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