"KC3" Repair Kit for Mini Cooper S R53 Clutch Slave Cylinder. on the BMW MINI Cooper-S R53 6-Speed Gearbox. If you have had to drill out the other slave cylinder mounting bolt ( the one nearest to the main body of the gearbox as they often shear off ), then we include an extra Bolt, Nut & Washers to bolt that side of the clutch slave cylinder back onto the gearbox.
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