1b5101 Bmw -

If your BMW has a piggyback tune (e.g., JB4, RaceChip) or a flash tune that manipulates sensor signals, the DME may see values outside expected parameters. Remove the tune and revert to stock before diagnosing.

While the code says "disconnection," it is rarely a snapped wire. In the BMW community (particularly for F-series and G-series models), this code is often a "ghost" or "secondary" code caused by: Low Battery Voltage: 1b5101 bmw

The term "static" is the key differentiator. It suggests that the DME has detected that the oil pressure control system is or unresponsive . Specifically, the actual oil pressure does not change appropriately in response to the DME’s commands. For example: If your BMW has a piggyback tune (e