DiagnoseDan - Left=Mann filter. Right= Bosch filter. Both made in China. Looks like both buy from the exact same Chinese factory! | Facebook
BMW MANN OEM Charcoal Cabn Air Filter E46/E83 (64 31 9 257 504) | BimmerBum Co. BMW Parts Accessories & Performance
![1J0129620 | Mann Air Filter - VW/Audi / Mk4 / 1.8T / 2.0L / TDi / 12v & 24v VR6 / Golf & Jetta / Mk1 TT – UroTuning 1J0129620 | Mann Air Filter - VW/Audi / Mk4 / 1.8T / 2.0L / TDi / 12v & 24v VR6 / Golf & Jetta / Mk1 TT – UroTuning](http://cdn.shopify.com/s/files/1/0005/7773/2663/products/1J0129620-MAN_grande.jpg?v=1628523608)
1J0129620 | Mann Air Filter - VW/Audi / Mk4 / 1.8T / 2.0L / TDi / 12v & 24v VR6 / Golf & Jetta / Mk1 TT – UroTuning
![Which is the best Pollen Filter? Mahle vs Hengst vs Bosch vs Valeo vs Mann - Cabin Air Filtrer TEST - YouTube Which is the best Pollen Filter? Mahle vs Hengst vs Bosch vs Valeo vs Mann - Cabin Air Filtrer TEST - YouTube](https://i.ytimg.com/vi/YyMj0jQik38/hqdefault.jpg?sqp=-oaymwEiCKgBEF5IWvKriqkDFQgBFQAAAAAYASUAAMhCPQCAokN4AQ==&rs=AOn4CLBos9rVUuRz4azJxn7ttMueOvsAHg)