I downloaded and printed a cup holder adapter for the G29 here
The matching cup holder for the 1 Series is available on Amazon:
The printing material is a bit hard and brittle, so the first adapter broke when I pushed it in.

I was more careful with the second one, and it worked.

The 1 Series cup holder fits perfectly on it.

And with a water bottle:

Unfortunately, it doesn't hold reliably because the diameter is too small for the cup holder. A coffee mug would probably be more suitable. I'll probably return the holder, and my wife will stow the bottles in the footwell net again and serve me. The adapter is simply clamped and can be removed without leaving any residue.
If someone likes to drink coffee in the car or has a suitable drinking bottle, this is a good solution.
The matching cup holder for the 1 Series is available on Amazon:
The printing material is a bit hard and brittle, so the first adapter broke when I pushed it in.

I was more careful with the second one, and it worked.

The 1 Series cup holder fits perfectly on it.

And with a water bottle:

Unfortunately, it doesn't hold reliably because the diameter is too small for the cup holder. A coffee mug would probably be more suitable. I'll probably return the holder, and my wife will stow the bottles in the footwell net again and serve me. The adapter is simply clamped and can be removed without leaving any residue.
If someone likes to drink coffee in the car or has a suitable drinking bottle, this is a good solution.
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