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Not compatible with AC

super capacitor for backup power (up to 3 days)

G30 540i B58

5150 Xtreme Duty Cylinder Sleeve Set, BMW S63 S65B46 11347563459113400340685150 Xtreme Duty Cylinder Sleeves, also known as cylinder liners, are centrifugally cast, ductile iron cylinder sleeves. Benefits of Engine Sleeving Include: Increased Bore Size: Sleeving your engine gives the opportunity to increase bore size for higher displacement and increased engine capacity, resulting in more power and more torque Increased Strength: Iron sleeves are stronger than alusil when subjected to high power, high stress applications,