Porsche 911 rsr 2.8 RWB rear bumber broken

Product: Need for Speed Heat
Platform:PC
Summarize your bug porsche 911 rsr 2.8 Part has broken textures/reflection on RWB rear bumber
What car were you using? porsche 911 rsr 2.8
Was the car your own build or downloaded from the in-game community? Personal Build
What was the last event you played? Right now
Was it a day or a night event? Day Event
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Equip the RWB rear bumber on the Porsche 911 rsr 2.8
What happens when the bug occurs? Visual bug
What do you expect to see? Normal reflections

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Visual bug on Porsche 911 rsr 2.8 RWB rear bumber. The texture of normals (forgot what it was called) seems to be broken so it produces broken reflections.