Your BMW has an interference engine, which means if the timing chain were to fail for any reason, you would have catastrophic engine damage due to valve-to-piston contact. Over time the timing chain will start to wear and stretch, potentially causing it to skip timing or just completely fail. Also, the timing tensioners themselves could fail! Early symptoms of timing chain wear include front-end noise not associated with VANOS, or slapping noises coming from the timing cover.
ECS Tuning has created a simple, cost-effective solution for you. Included in this kit is the very minimum necessary to service your timing chain system. Installation may require the use of specialty tools.
This kit includes: