EGR block-off plate set is designed
to seal the EGR pump ports when removing the air pump system from
OBD2 M50 family engines or when installing a tubular OBD2 header to
a OBD1 engine.
precision-cut stainless plates and gaskets. Requires air pump
simulator or software update to remove air pump codes when
retaining stock ECU on 1996+ cars. Fits all 1996+ US M50 6-cylinder
headers, including 323, 325, 328, M3 and Z3.
From Trey of Vista, California on 1/27/2012.
Worked great for covering the ports on my S50 headers that were on my M50 engine. One thing I can add is that they come with the gaskets, so no need to purchase them separately; a mistake I made. Doesn't hurt to have spares needless to say...
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