ACL 4B1568H-STD BMW E30 M3 S14 Connecting Rod Bearing Set, Standard Size

ACL BMW E30 M3 S14B20/23/25 I4 Connecting Rod Bearing Set (Size STD)

Brief Description: The ACL 4B1568H-STD connecting rod bearing set is designed for BMW E30 M3 models equipped with the S14B20, S14B23, or S14B25 inline-four engine. These standard-size bearings support reliable crankshaft and connecting rod operation for engine rebuilds, refreshes, and performance-focused applications where precise bearing fit and consistent durability are required.

Key Product Specifications & Technical Data:

• Brand: ACL
• Part Number: 4B1568H-STD
• Product Type: Connecting rod bearing set
• Engine Family: BMW S14 inline-four
• Engine Applications: S14B20, S14B23, and S14B25
• Bearing Size: Standard
• Vehicle Platform: BMW E30 M3
• Application Range: 1988–1991 BMW M3

Fitment: This ACL bearing set fits 1988, 1989, 1990, and 1991 BMW M3 models using the applicable S14 engine configuration. Always verify crankshaft journal condition, bearing clearances, and engine specifications before installation.

What's Included: One ACL standard-size connecting rod bearing set for the specified BMW S14 engine applications. Installation should be completed by a qualified technician using the manufacturer’s recommended procedures, torque specifications, and clearance measurements.

Features:

• Standard-size fitment: Designed for crankshafts that remain within the original standard journal specification.
• BMW S14 compatibility: Engineered for applicable S14B20, S14B23, and S14B25 inline-four engines.
• Performance-oriented construction: Supports dependable connecting rod operation in street, rebuilt, and performance engine applications.
• Consistent bearing performance: Helps maintain proper oil film support and smooth crankshaft rotation when correctly installed and clearanced.

Fitments:
1988 BMW M3 Base
1989 BMW M3 Base
1990 BMW M3 Base
1991 BMW M3 Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1