‘09-‘11 vs ‘12+ coolant reservoirs

Averying

I’ve seen that the pressurized reservoirs don’t benefit (as much at least) from the swirl pot mod. The pressurized reservoir isn’t ‘swirling’ to separate air/water but it’s my understanding that it does pull from an extra source in the system to help remove air bubbles.




Yea I’ve heard install isn’t the easiest or cleanest thing in the world, which is what led me to this question originally. These cars have tight enough engine bays already. Good to note about the TB coolant lines. My car still has em, although I do drive my car in near/freezing temps as winter approaches before it’s garaged permanently.


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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes