17 10 7 514 964 : Expansion tank for BMW Z3 E36

This expansion tank is intended as a replacement part for a worn, damaged or faulty component on the BMW Z3 E36, as part of the restoration or routine maintenance of this classic roadster. It is compatible with Roadster and Coupé body styles, for M52 2.0, M52 2.8 (from September 1998), M54 2.2i and M54 3.0i engines. The expansion tank plays an essential role in the cooling circuit by absorbing volume variations of the coolant, thus ensuring proper thermal operation of the engine. Its replacement with a new part helps preserve the long-term reliability of the vehicle.