Front Right Door Lock Latch Actuator\nBMW 1 3 4 5 6 X1 X3 X5 Z4 Series | 51217202144 Fix the door that won\u2019t lock, unlock or respond to the remote. This ready-to-fit actuator bolts straight into the front right door of dozens of BMW models and restores smooth central-locking action without dealer prices.\u2022 Fits BMW 1-Series E81/E82/E87/E88/F20/F21, 3-Series E90/E91/E92/E93/F30/F31/F34, 4-Series F32/F33/F36, 5-Series E60/E61/F07/F10/F11, X1 E84, X3 E83/F25, X5 E70, X6 E71, Z4 E89 \u2013 front right only.\n\u2022 Direct plug-in: same 5-pin connector and three bolt holes as your unit\u2014no coding, no wire splicing.\n\u2022 Tough glass-fibre reinforced housing resists water ingress and summer heat cycles; tested to 25 000 lock/unlock cycles.\n\u2022 Quiet micro-motor with built-in overload cut-out protects the door module and stops the \u201Cbuzzing\u201D fault code.\n\u2022 Supplied with new rubber gasket and Torx bolts\u2014swap the old lock barrel over and bolt on.&nbs: