Four problems related to engine exhaust system have been reported for the 2003 BMW X5. The most recently reported issues are listed below.
The contact owns a 2003 BMW X5. The contact stated that while driving 35 mph there was smoke coming from under the hood and exhaust pipe. The vehicle was taken to the dealer where the contact was advised that the oil separator was leaking and drained onto the exhaust pipe and engine abnormally, causing the failure. The contact stated that the failure would only occur in cold temperatures. The oil separator was repaired. The manufacturer was contacted who offered no assistance. The failure mileage was 74,200.
Drive one mile one 1 in 22 degree weather BMW 2003 X5 begin to blow thick white smoke from exhaust pipes and engine shut down. There were no indicator lights that warn there was a problem.
While traveling in the middle lane of traffic at 55 mph my BMW X5 started pouring smoke from the exhaust and completely shut down leaving me helpless with no power on a major highway.
The engine seized without warning. At the time the engine stalled; light, white smoke came from the exhaust. The car and engine seemed to operate fine for about 20 minutes prior. No warning lights came up or smoke came from the exhaust during the 20 minutes of driving. Regular engine and oil changes were previously done. The mechanic is saying a new engine is required.