Manley Connecting Rod Set, BMW / Toyota B58, H-Beam

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 1000 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