Bmw 257e00 exhaust switch. Left the car with the dealer and they contacted me today. Only order these parts in the quantities needed to address customers’ vehicles that have confirmed failures. . This “component-specific” limited warranty extension applies to defects in materials PARTS INFORMATION. I have a BMW-specific fault code reader and I regularly get the following codes: 255C00 - EGR actuator position control valve too far open / negative control deviation; I've cleared them quite frequently to check it. Checked 5V power line is ok. The light just keeps popping on. Checked low pressure EGR is ok. Today i have picked up my BMW from the dealership, they changed the EGR cooler and apparently, there was a dry coolant spot on the EGR valve, they said that it needs to be changed (but they asked for 400 euros for INFORMATION. I tried: 3 EGR Valves, Checked plugs and wires from EGR to DME. Today i have picked up my BMW from the dealership, they changed the EGR cooler and apparently, there was a dry coolant spot on the EGR valve, they said that it needs to be changed (but they asked for 400 euros for INFORMATION. For the eligible vehicles, BMW of North America, LLC (“BMW NA”) is extending the limited warranty for the engine’s Exhaust-Gas Recirculation (EGR) Valve to: 10 years/120,000 miles as determined by the vehicle’s original in-service date. I've open the air intake and throw some cleaning egr spray at mid revs, but still. It was indeed a fault with the egr valve. The fault is cleared if the engine is switched off and back on again. The car is just fine, although with light on I've got the power Have a 2017 G30 with following fault: DDE 257E00 - EGR position sensor signal - open r short to ground. The fault is accompanied by some staggering and juddering. Pretty happy to be honest my cars a 2013 with 150,000 miles so it's well out of warranty. They replaced the valve under a BMW good will gesture. Please refer to the Electronic Parts Catalog (ETK/EPC), using the customer’s VIN to locate the applicable replacement part numbers. kkmblnebwzkadytzmfyhmabjpghdyvnmvpxrzscngrpycaurzaxf