The ACL Race Series Con Rod Bearing (Part #6B1584H-.25) is a precision-engineered connecting rod bearing set designed for high-performance engine applications. These bearings provide a critical interface between the connecting rod and crankshaft journal, ensuring smooth rotation and minimal friction under high loads. Designed for reliable performance and long service life, reducing wear and maintaining proper oil clearance. Manufactured to OE specifications for direct replacement applications. Engineered with strict quality control standards to ensure consistent performance and reliable engine operation.

Applicable to:
- BMW 1 (F20) M 135 i (N55B30A)
- BMW 1 (F20) M 135 i xDrive (N55B30A)
- BMW 1 (F21) M 135 i (N55B30A)
- BMW 1 (F21) M 135 i xDrive (N55B30A)
- BMW 1 coupe (E82) 135 i (N54B30A)
- BMW 1 coupe (E82) 135 i (N55B30A)
- BMW 1 coupe (E82) M (N54B30A)
- BMW 1 Convertible (E88) 135 i (N54B30A)
- BMW 1 Convertible (E88) 135 i (N55B30A)
- BMW 2 coupe (F22, F87) M 235 i (N55B30A)
- BMW 2 coupe (F22, F87) M 235 i xDrive (N55B30A)
- BMW 2 coupe (F22, F87) M2 (N55B30A)
- BMW 2 coupe (F22, F87) M2 Competition (S55B30A)
- BMW 2 coupe (F22, F87) M2 CS (S55B30A)
- BMW 2 Convertible (F23) M 235 i (N55B30A)
- BMW 2 Convertible (F23) M 235 i xDrive (N55B30A)
- BMW 3 (E90) 335 i (N54B30A)
- BMW 3 (E90) 335 i (N55B30A)
- BMW 3 (E90) 335 xi (N54B30A)
- BMW 3 (E90) 335 i xDrive (N54B30A)
- BMW 3 (E90) 335 i xDrive (N55B30A)
- BMW 3 (F30, F80) 335 i (N55B30A)
- BMW 3 (F30, F80) 335 i xDrive (N55B30A)
- BMW 3 (F30, F80) ActiveHybrid (N55B30A)
- BMW 3 (F30, F80) M3 (S55B30A)
- BMW 3 (F30, F80) M3 Competition (S55B30A)
- BMW 3 (F30, F80) M3 CS (S55B30A)
- BMW 3 coupe (E92) 335 i (N54B30A)
- BMW 3 coupe (E92) 335 i (N55B30A)
- BMW 3 coupe (E92) 335 xi (N54B30A)