Q: I need my wastegates replaced. The turbos are good but the wastegates are rattling and car goes into limp mode @ high speeds.

My car drives fine unless i floor it. Once the turbos kick in, eventually the car goes into limp mode (half engine light comes on). Once i turn the car off and back on, it is fine. I have went to a bmw specialists and had my car scanned and a few codes came up. He suggested i get my wastegates both replaced. The turbos are fine so i do not need to replace those. Just the wastegates.