2025 BMW Alpina B3 Touring spied with updates

German tuner Alpina is readying an update for its B3 based on the BMW 3-Series, and a prototype has been spotted. The prototype is for the B3 Touring wagon, and out shots come just weeks after a prototype for the B3 sedan was spotted. The update will be the second for the current generation of Alpina’s B3. The previous update was made for the 2023…