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Piston Kit for BMW N46 (11257548001)
Piston Kit for BMW N46 (11257548001)
Piston Kit for BMW N46 (11257548001)
Piston Kit for BMW N46 (11257548001)
Piston Kit for BMW N46 (11257548001)
Piston Kit for BMW N46 (11257548001)
  1. Piston Kit for BMW N46 (11257548001)
  2. Piston Kit for BMW N46 (11257548001)
  3. Piston Kit for BMW N46 (11257548001)
  4. Piston Kit for BMW N46 (11257548001)
  5. Piston Kit for BMW N46 (11257548001)
  6. Piston Kit for BMW N46 (11257548001)

2.0L Pistons & Rings Kit Fit For BMW 118i 320i 520i X3 Z4 11257548001

The BMW N46 (2.0L) piston kit typically features a standard bore diameter of 84.00 mm and is manufactured from ZL109 aluminum alloy. The piston ring thickness specifications are 1.2 mm (top ring), 1.5 mm (second ring), and 2.0 mm (oil ring). These pistons are commonly fitted to N46B20 models, featuring a piston pin diameter of typically 20 mm and a compression height of approximately 29.5 mm.

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Description

Key Specifications (Standard Size):
Engine Codes: N46B20, N46B20A, N46B20B, N46B20C
Cylinder Bore Diameter: 84.00mm (STD)
Piston Ring Thickness: 1.2mm × 1.5mm × 2.0mm
Piston Pin Diameter: D20mm
Piston Pin Length: 50mm
Compression Height: ≈ 29.5mm
Material: ZL109 Aluminum Alloy (Cast)
Oversize Options: Available in 0.25mm or 0.50mm increments; up to 0.75mm available in select kits.

OE Number: 11257548001

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