Greetings,,

I own an F90 M5 which comes with nappa leather interior.

I recently went to fix some tint on the windows of the car, and after the installation process was completed, i noticed some vein looking lines on the door panel leather just below the window.

it look like leather has absorbed/ drank some water and go affected by it. I dont really feel difference while touching it however it can be spotted looking at different angles using sun light mainly.

i kept it to dry but it doesnt seem to return to original shape. i used some leather cleaners and conditioners, they made it a bit look cleaner and better but i still can recognize those vein shaped lines / a bit darker areas.

I would really like to know if there is any possible way to fix such or if such problem has been already faced earlier with some BMW/ or different car brands.

below are some pictures showing what i mean.

thank you alot

looking forward to hear from you

Name:  bmw door 1.jpg
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Name:  bmw door 1.jpg
Views: 749
Size:  116.0 KB