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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine - Tightening Torques) >> Pistons With Rings And Pins >> 11 25 Pistons With Rings And Pins S54

11 25 Pistons With Rings And Pins S54

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS WITH RINGS AND PINS S54 SPECIFICATIONS

Piston and piston pin are paired - replace together only.
Measuring Point "A" (Position) mm 9.5
Piston Diameter At Measuring Point "A"
Standard mm 86.965 +/- 0.009
1st Oversize mm 87.165 +/- 0.009
Piston Running Clearance mm 0.26 ... 0.058
Permissible Total Wear Tolerance Between Piston & Cylinder (Engine Operated) mm 0.15