R55 alta access port
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Yes, your factory components will work. You will only be able to use one of the Stage 1 tunes for a few extra horsepower, but the throttle response alone is worth it. Just make sure and add an oil catch can, consider replacing the turbo oil cooler line as you'll be running the turbo harder, and have your valves cleaned every 40,000 miles. The valve cleaning being the most important.