Model Compatibility: Fits vehicles with 4.4 L V8 gas engine N63B44A including X5, X6, 550i, 650i, and 750i models from E70, E71, and F07 series.
Engine Specification: Designed for 4.4L displacement V8 engines using the N63B44A engine variant only.
Part Composition: Includes piston and rings as a set for cylinder assembly replacement.
Part Number Reference: Matches part number 11257649927 for functional replacement purposes.
Functional Purpose: Restores function in the specified engine configuration when installed correctly.
وصف
Engine Parts Piston & Rings Set compatible with 4.4 L V8 Gas N63B44A engine.Fits X5 (E70), X6 (E71), 550i, 650i, 750i, and F07 models equipped with the 4.4L (4395cc) N63B44A engine.Part number: 11257649927. Also compatible with OE part numbers: 11257613626, 11257576475, 11257556955, 11257574822, 11257574823, 11257617547. Specifications: Compression height 32.1 mm, length 52.6 mm, pin/bolt length 60 mm, pin/bolt diameter Φ22 mm, cylinder bore diameter Φ89 mm.Designed for engines with compression ratio 11:1.Includes one complete piston and rings set as shown in product images.