Quote:
Originally Posted by CosmicCharlie
Same as above- my '18 m550 had the inter cooler/oil line service bulletin completed about a year ago. I have over 40k miles and no problems with the car at all. This is the first time I've owned a car for more than a few years and not itching for something new. I'm interested in doing Dinan S-1 with exhaust to add a touch of grit and sound, but that's the extent of getting "bored" with this car.
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just chop off the 4-resonators, you will have all the sound you need.