DISA Valve, the Nemesis of BMW M54 Engines! Here's a Rundown of Symptoms and Tips on Replacement! – eEuroparts.com
BMW E46 3-Series Disa Valve By Uro 11617544805 or 11617544806
BMW - The Magic DISA Valve - Atlantic Motorcar
Disa Valve Aluminium Flap Repair Kit For M54 3.0l Engine Compatible With E46 330ci 330i 330xi Disa M54 3.0l Petrol Engine - Air Bypass Valve - AliExpress
DISA - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines
DIY: How to CORRECTLY open your DISA valve for rebuilding - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
FYI - DISA VALVE -2003 530i e39, M54 | BimmerFest BMW Forum