Product Description
BMW N20 Connecting Rod Set - ItalianRP IRPR503
The ItalianRP connecting rods are high-performance components engineered for BMW's N20 2.0L 16V turbocharged engine, found in models such as the Z4 220i, 320i, 328i, 428i, 520i, and 528i. These rods are available in three distinct lines—Silver, Gold, and Platinum—each offering varying levels of strength and weight reduction to suit different performance needs. The Silver line utilizes 34CrNiMo6 steel, providing a balance between strength and affordability, while the Gold line employs 35NCD16 steel, offering higher strength and reduced weight. The Platinum line, made from the same 35NCD16 steel, undergoes additional treatments to achieve even greater strength and lighter weight, making it ideal for high-performance applications. These rods feature precise dimensions, including a big end diameter of 53.600 mm, a big end width of 20.900 mm, a pin diameter of 22.000 mm, and a center-to-center length of 143.650 mm, ensuring compatibility with OEM specifications. Whether you're building a street performance engine or preparing for track use, the ItalianRP IRPR503 rods offer a reliable and durable solution to meet your needs. The connecting rod is paired with ItalianRP piston that can be found here.
| Features | Specifications |
|---|---|
| Rod Code | IRPR503 |
| Piston Code | IRPP035 |
| Engine Code | N20 |
| Number of Cylinders | 4 |
| Big End Diameter | 53.570mm |
| Big End Width | 20.900mm |
| Pin Diameter | 22.000mm |
| Between Centers | 140.00mm |
| Compatible Vehicles | Z4, 220, 320, 328, 428, 520, and 528 |
| Manufacturing Origin | Italy |
ItalianRP is a performance engine component manufacturer based in Italy, specializing in high-quality forged pistons and connecting rods for European and Japanese engines. Known for their motorsport heritage and precision craftsmanship, ItalianRP parts are designed and built in-house using top-grade materials like 2618 aluminum and 4340 steel. Every component undergoes rigorous quality control and is CNC-machined to exacting tolerances, ensuring reliable performance in everything from street builds to full race applications. With a growing presence in North America through ItalianRP USA, the brand brings together Italian engineering excellence and a passion for pushing automotive limits.
