Fits for: Alpina B3 B4 D3 D4. fits for Alpina B3 B4 D3 D4. Alpina D4 D4 Bi-Turbo. Alpina D3 D3 Bi-Turbo. Alpina B4 B4 Bi-Turbo. Alpina B3 B3 Bi-Turbo. Reference OEM Number: 36 10 6 881 890. The vehicle protocols have already been installed on the sensor and have to be trained on the vehicle just like the original part.
eBay