Which radiator do you prefer?

[EThirty318i]

I went with a m42 radiator. I think its plenty, especially with the colder thermostat. I'm adding a 16" spal fan for extra precaution.

[BenjaminButtton]

Hey guys, I'm a couple weeks away from completing my M50TU/g250 swap.

I still haven't decided which radiator I should run yet. I happen to have an '88 M20 rad, M42 rad, AND an e36 radiator at my disposal.

The m20 is a little older looking, not sure if I trust it or not - although it didn't leak. The e36 unit (out of my donor car) looks to have been replaced in the last 5 years or so. And the m42 radiator is a 2011 Behr.

So if you had your druthers, which radiator would you go with? I'm leaning towards the m42 rad, since its more compact and the most recent, but it's also the smallest. I'm open to suggestions!