Complex sentence: At their Swindon plant, the BMW subsidiary "Swindon Pressings Limited" has been established and produces parts for the new Mini at what is now referred to as "Plant Swindon".
Split into simpler sentences: At their Swindon plant, the BMW subsidiary "Swindon Pressings Limited" has been established. Swindon produces parts for the new MINI and is known as "Plant Swindon".