so stock offset is 49mm not 30mm?

why would a wheel fit better on a lowered car?

I found this on Model 201.029
The '15-hole light-alloy wheel known from model
201.034 is installed and has the fo lowing
Designation: 7 Jx15 H 2 ET 44.

Does this mean 7" wide, 15" diameter, and 44mm offset?

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