Some BMW 330Ci owners report experiencing stalling issues on the highway, which may be attributed to a malfunctioning fuel pump that restricts fuel flow to the engine, leading to engine shutdown. Additionally, some owners notice that when the fuel pump feels soft, particularly with the fuel level around 1/4 tank, it signals a problem that should be addressed by maintaining at least half a tank of fuel until the pump can be replaced. In instances of stalling without any trouble codes, it may be advisable to check the intake camshaft position sensor, as it could also contribute to the problem. Timely inspection and replacement of the fuel pump are essential for ensuring the vehicle's proper functioning and safety, helping to prevent further stalling incidents on the road.
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