11247624616 Connecting Rod For BMW 320i 328i 420i 520i 528i X4 X5 N20 B20 2.0L (For: BMW)
The BMW N20 engine utilizes forged steel connecting rods; typical aftermarket upgrades commonly employ 4340 forged steel material and feature an H-beam design. Key specifications include: a center-to-center distance of 144.35 mm, a big-end diameter of 53.6 mm, and a small-end pin bore diameter of 22 mm.
Description
Key Specifications (Typical Aftermarket High-Performance Connecting Rods):
Center-to-Center Distance: 144.35 mm / 5.681–5.683 inches Big End Diameter: 53.6 mm / 2.11 inches
Pin Hole Diameter (Small End): 22 mm / 0.866 inches
Big End Width: 20.8 mm
Bolt Specifications: 3/8 inch (typically uses ARP 2000 or ARP L19)
Weight: Typically balanced as a set, with a tolerance controlled within ±1 g
Performance Features:
Design: Features an H-beam structure for enhanced strength, specifically engineered for forced induction (turbocharged) systems.
Power Handling Capacity: Typically rated to withstand power outputs exceeding 700+ horsepower (i.e., 175–200 horsepower per cylinder); the specific maximum load limit depends on the fasteners selected.
Compatibility: Suitable for BMW N20 and N26 series engines (e.g., F30 328i and F10 528i models).
Upgrade Feature: The small ends of select connecting rods feature a tapered design, aimed at further reducing weight.
These connecting rods are specifically designed to replace BMW part numbers 11247624616 and 11247589671; offering superior strength compared to OEM rods, they are particularly well-suited for performance-modified vehicles.














