Adapter plate for M52/S52 OBD2 to M50 OBD1 manifold conversion.
With this adapter plate you will get a good seal between M50 manifold and M52 throttle body as both manifold and TB have rubber seals.
Made from 3mm zinc plated steel. Inside diameter of 69 mm and it won't restrict air flow even if you have a big bore throttle body.
M50 manifold conversion with this adapter plate can be carried out to:
- E36 323i, 328i and USA M3 3.2
- E39 523i, 528i single vanos
- E38 728i single vanos
- Z3 2.8 single vanos
- Other BMW with M52 single vanos engine conversion