Interior Monitoring Sensor - 911 | Boxster | 1997-2004 971.260.702.F One option often used is

One option often used is to replace the factory water to oil heat exchanger with an external oil cooler

Voltage Regulator for 328i (2007-2013)

ensuring compatibility and a similar feel

but either version will work for your car

Interior Monitoring Sensor - 911 | Boxster | 1997-2004 971.260.702.F One option often used isInterior Monitoring Sensor For Porsche 996 (1999 2004) or Boxster 986 (1997 2004) Models. Advanced interior monitoring sensor engineered for Porsche 911 (996) and Boxster (986) models. This precision component detects motion and presence within the cabin, enhancing security by triggering alarms or notifications when unauthorized activity is detected while your vehicle is parked or unattended. Compatible with factory alarm systems and aftermarket