2016 BMW 535D Power Train Problems

A recall campaign No. 21V-907 was issued for my car on November 19, 2021 for the EGR Cooler. In the past 6 months I've had to add engine coolant to the cooling system reservoir and I made sure it is not leaking on the ground. On 8-8-22 I had a check engine light(MIL) with a stored code of P2004 which indicated: Intake manifold runner control (IMRC) is stuck in the open position. According to your recall letter, an EGR Cooler leak could develop and the coolant could mix with the soot deposits in the intake manifold and under certain conditions it could result in a fire. I have experienced a reduction in engine power, a warning symbol of low engine coolant, and an unpleasant exhaust odor so I contacted Stevens Creek BMW in San Jose, CA and spoke to the Service Manager. He said they are not able to fix...