I recently purchased the TRW/M parts that replace the factory steel links for the rear suspension -
BMW E90 Rear Upper Control Arm Replacement | E91, E92, E93 | Pelican Parts DIY Maintenance Article
However the installer was unable to get the bolts to seat. The threads are fine and the bolts run thru the holes as long as the rod is not in place. When an attempt is made to tighten up either bolt on the outside (spindel mount), the bolt binds up. All of the PNs are correct. These are factory parts that are used on the M3 rear end. Any idea why this is not working and what to try? Even trying to back out the bolts now cause them to bind.
These are the specific PNs
Upper CA - wishbones
Left - 33322283545 - JCT1428
right -33322283546 - JCT1429
Guide-rods -
Left - 33322283547 - JCT1430
Right -33322283548 - JCT1431