Quote:
Originally Posted by TimothyW13
Sorry to hear that, what year is your 550?
I just changed my engine air filters to k&n. The engine filters were certainly dirty. Feels a bit more responsive but weather is still too hot to test fairly. I have my new Michelin pilot s4 tires going on the car on Thursday from the oem all season run flats. also trying to find whatever the best intercooler upgrade might be for it. That one's a bit tricky.
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is your 5s 0-60 brake boosted or without brake boosting?