BMW Z4 DSC Control Module and Hydraulic Pump replacement required due to illuminated DSC, ABS, and Brake lights on BMW Z4

Some BMW Z4 owners report experiencing illuminated DSC, ABS, and brake lights, which often indicate a failing DSC control module and hydraulic pump. These symptoms are common and typically require the replacement of the DSC unit, with costs estimated around $3354 after discounts. Many users have found that replacing the DSC control module and hydraulic pump is the only effective solution to resolve the issue. Prompt attention to these warning lights is crucial to maintain the proper functioning of essential safety systems like DSC and ABS. When undertaking the replacement, owners must ensure they have the correct part numbers for their specific model, such as 34526778492 or 34526769164 for 2006 and newer Z4s. Additionally, some owners report encountering anomalies during the replacement process, including solid yellow lights on the instrument cluster and the need for software for brake bleed procedures and calibration of the steering wheel sensor and DSC/ABS unit. It is advisable to consult a qualified mechanic or BMW dealership for accurate diagnosis and repair of these issues.