The ZRP forged connecting rods for the BMW 135i, 235i, 335i, 435i and M2 fitted with the N55 engine are made from high-quality billet 4340 steel. These connecting rods feature an I-beam design and are fitted with AMPCO 18 piston pin bushings and ARP2000 bolts, enabling them to withstand up to 1000pk. They are a direct bolt-on fit for pistons with a 22mm pin.
These connecting rods are specifically designed for the N55 engines in the BMW 1 Series, 2 Series, 3 Series and 4 Series. They are exclusively compatible with forged pistons featuring a 22mm pin.
Features
- Direct bolt-on (22mm pin)
- 6-piece set
- Billet 4340 steel I-beam design
- ARP 2000 connecting rod bolts
Technical specifications
- Material: Billet 4340 steel
- Pin: 22 mm
- Length: 144.35 mm
- PE width: 22 mm
- Made in Greece
Contents of the set
- ZRP forged connecting rods
- Fitting hardware
- Installation instructions
Frequently asked questions
Are these connecting rods compatible with standard pistons?
No, they are only compatible with forged pistons with a 22mm pin.
Where are these connecting rods manufactured?
They are made in Greece.