Excellent Wheel Technical info link...

[M42Technik]

How to Measure Bolt Patterns
How to Measure Wheel Backspace or Offset
How to Determine Vehicle Fitment
Determine Wheel Caliper Clearance
Typical Lug Nut Torque Specifications
Wheel Terminology
Modular Wheel Inspection and Maintenance
Modular Wheel Leak Detection

Its all there. Check it out:

https://www.rsracing.com/tech-wheel.html

I found this searching for more info on my wheels...I found they are 4x114.3 instead of 4x100, so I may try and sell these...grr.

[e30_325es]

But didn't you already bolt them up? If they bolt up then you are fine.