Shop OEM BMW Part # 11531716643 (11-53-1-716-643). Engine Coolant Crossover Pipe. 2.5 LITER, to 07/99. 2.8 & 3.0 LITER, 1999-02, to 07/99. Cooling System Crossover Line - Repair or

Engine Coolant Crossover Pipe. Outlet hose. Water hose.
A Pipe that balances Coolant between cylinder banks.

Engine Coolant Crossover Pipe

Fits Z3

2.5 LITER, to 07/99. 2.8 & 3.0 LITER, 1999-02, to 07/99.
Cooling System Crossover Line - Repair or Replace
A failed cooling system crossover line will cause a coolant leak or overheating. If your is running hot, contact your service department for expert repair.