![Carbon residues - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines Carbon residues - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines](https://bimmerprofs.com/wp-content/uploads/2018/05/Carbon_deposit_or_not2.jpg)
Carbon residues - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines
![Cleaning the intake valves on the ol n54 yet again... anyone else hate doing this job as much I do? : r/E90 Cleaning the intake valves on the ol n54 yet again... anyone else hate doing this job as much I do? : r/E90](https://external-preview.redd.it/9F7LEuDMSrKMNoZ0hb1H25PMampJKP04b5zPc-2HPVU.jpg?width=640&crop=smart&auto=webp&s=a3443879c06c84bd1a7a2c15e70e6bbd72f0fb21)
Cleaning the intake valves on the ol n54 yet again... anyone else hate doing this job as much I do? : r/E90
intake valve cleaning? - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
![Walnut Blasting Carbon Cleaning Service for BMW N54 N55 M57 Engines - 335i - 135i - 335D - X5 35D - 535i - Lang Racing Development Walnut Blasting Carbon Cleaning Service for BMW N54 N55 M57 Engines - 335i - 135i - 335D - X5 35D - 535i - Lang Racing Development](https://www.langracing.com/wp-content/uploads/BeforeWalnut-e1447521193343.jpg)