You will need to renew IR-SPA privileges or renew your IMC/IR(R). IR privileges on SPA haven't been covered by your IR-MPA since before JAR-FCL days.
If you only fly SEP then I would renew your IR-SPA-SE by Proficiency Check, then revalidate it each year by cross-crediting/experience. Therefore, only one test (IR Proficiency Check) is required whilst your IR-MPA is valid providing you keep the IR-SPA-SE current.
See the cross-crediting section at the end of Standards Document 14(A) or drop me a PM. I can conduct the IR Proficency Check or IMC test for you.
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