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Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
  1. Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
  2. Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
  3. Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
  4. Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373
  5. Piston Kit for BMW N52B30KP 6-Cylinder (STD) — 11257536373

3.0L Piston Assembly Kit for BMW N52B30KP (Part Number: 11257536373)

The BMW N52B30KP piston kit typically comprises aluminum alloy pistons with a standard bore of 85.00mm, specifically designed for the 3.0L N52 engine, featuring a compression ratio of 9.3:1 (or a similar value). Key specifications include 20mm piston pins and a piston ring set sized 1.2 x 1.5 x 2.0mm; this kit is compatible with various 1 Series, 3 Series, 5 Series, X3, and Z4 models produced between 2006 and 2013 (OEM Part Number: 11257558528).

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Description

Engine Models: N52B30, N52B30KP; 3.0L Inline-6 ​​(Naturally Aspirated).
Bore: 85.00 mm (Standard Size / STD); Oversizes of 0.25 mm or 0.50 mm are also available in certain cases.
Compression Ratio: Typically 9.3:1 (for replacement kits).
Piston Pin Diameter: Φ20 mm.
Piston Pin Length: 49 mm.
Piston Ring Thickness: Top Ring 1.2 mm, Second Ring 1.5 mm, Oil Ring 2.0 mm.
Material: ZL109 Aluminum Alloy.
Kit Contents: Pistons and Piston Rings (Set for 6 Cylinders).
Compatible OEM Part Numbers: 11257558528, 11257564335, 11257559434, 11257551349, 11257534552, 11257547838.
Compatible Models: E82/E87/E88 (125i, 130i), E90/E91/E92/E93 (330i), E60/E61 (530i), E85/E86/E89 (Z4 3.0i/si), X3/X5.

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