There are 1 owner-reported powertrain & transmission complaints for the 2007 BMW Z4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
HYDRAULIC CLUTCH RESTRICTER VALVE CAUSES CLUTCH TO SLIP ALL THE TIME. BOUGHT THE CAR WITH 43,000 MILES ON IT AND AT 54,000 MILES THE CLUTCH IS GONE AND THERE IS NO WARRANTY OR RECALL AVAILABLE. THE CAR WAS IN MOTION WHEN THE CLUTCH WENT OUT AND THE CAR WOULD NOT MOVE EVEN WHEN A DIFFERENT GEAR WAS USED. YOU COULD CHANGE GEARS, BUT THERE WAS NO POWER WHEN THE CLUTCH WAS LET OUT.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026