Brand Name:
BMW
Model Number:
GA8Q45CW
Solenoid Sticking/Failure – Dirty fluid or wear causes erratic shifting (especially shift solenoids & TCC).
Valve Bore Wear – Excessive clearance leads to pressure leaks & delayed shifts (common in high-mileage units).
Check Ball/Spring Fatigue – Weak springs or stuck balls cause harsh engagements or loss of gear.
PCB/Electrical Issues – Corrosion or cracked circuits disrupt solenoid signals.
Gasket/Seal Degradation – Cracks or leaks cause low pressure & erratic operation.
Erratic/harsh shifts
Transmission slipping
Error codes (e.g., P0751, P2769)
Fix: Rebuild with precision-machined sleeves or replace valve body; flush fluid & cooler lines
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