ACL BMW M40B16/18 (1.6L / 1.8L / 1.9L) .50 Oversized Main Bearing Set - 5M1538H-.50

• Series: ACL Race Series
• Bearing Type: Main bearing
• Shell Halves: Upper & lower
• Bearing Material Code: F780
• Sizes Offered: STD, .025, .25, .50
• Housing Bore (Tunnel) Diameter: 65–65.019 mm (2.5591–2.5598 in)
• Journal Diameter (STD size): 59.971–59.99 mm (2.3611–2.3618 in)
• Vertical Oil Clearance (STD size): 0.034–0.088 mm (0.0013–0.0035 in)
• Maximum Wall Thickness at Crown (STD size): 2.488 mm (0.098 in)
• Bearing Width (max): 20 mm (0.787 in)

Engine Applications

• BMW M40B16 1596cc Inline4 SOHC 2v (bore 84 mm, stroke 72 mm)
• BMW M40B18 1796cc Inline4 SOHC 2v (bore 84 mm, stroke 81 mm) — BMW 318i E36
• BMW M42B18 1796cc Inline4 DOHC 4v (bore 84 mm, stroke 72 mm) — BMW 318is E30
• BMW M43B16 1596cc Inline4 SOHC 2v (bore 84 mm, stroke 72 mm) — BMW 316i E36
• BMW M43B18 1796cc Inline4 SOHC 2v (bore 84 mm, stroke 81 mm) — BMW 318i E36
• BMW M43B19 (TU) 1895cc Inline4 SOHC 2v (bore 85 mm, stroke 83.5 mm) — BMW 318i E46
• BMW M44B19 1895cc Inline4 DOHC 4v (bore 85 mm, stroke 83.5 mm) — BMW 318ti E36, BMW 318is E36