Part #: 11377548388 Supersedes: 11377518204 Manufacturer: BMW - Munich, Germany Vehicle Compatibility: This is compatible with any BMW running the N51, N52, or N52N Engine E81, E87, E87LCI, E88, E82, E90, E90LCI, E91, E91LCI, E92, E92LCI, E93, E93LCI, E60, E61LCI, E61, E61LCI, F10, F11, E63, E63LCI, E64, E64LCI, E65, E66, F01, F02, F02LCI, X1 E84, X3 E83LCI, X3 F25, X5 E70, Z4 E85, Z4 E86, Z4 E89 Notes: This is the Variable Valvetrain Servo Motor from the N51, N52, and N52N BMW engines Tested, in good used working condition, ready to be installed This motor controls the timing of the valve lift event, to improve performance or fuel economy while driving, implementing a continuous variable allowing for almost infinite valve adjustment wqhile driving Buyer is responsible for checking part #s and images for compatibility before purchase Positive feedback is encouraged, if there is any issue, please contact before leaving negative feedback Please ask any questions you may have, I am more than happy to assist in any way I can Wear: All wear is shown in photos