42K views · 518 shares | What is variable valve lift? What is variable valve timing? We're going to look at the valvtrain from a 2009 Audi 2.0L I4 Turbo engine to check out the differences. Variable valve lift is used to enhance performance depending on the RPM and load, while variable valve timing is typically used for emissions control (lowering combustion temperatures and thus reducing NOx), but also has performance and efficiency benefits as well. | Engineering Explained | Facebook

299 reactions | Enjoy a 1 year minimum warranty*, plus the possibility to extend with The 2020 BMW X3. | BMW Canada | Facebook

Converting the road into your favourite destination. The BMW Vision iNEXT. http://bit.ly/2Og9h8h | BMW Canada

Here are six things to watch from the second edition of BMW Live from Ultimate Drive featuring the all-new 4 Series Coupé and 2 Series Gran Coupé: 2:59 – 2 Series Gran Coupé: Performance Overview 4:27 – 2 Series Gran Coupé: A Look Inside 6:04 – 4 Series Coupé: Canadian Premiere 8:40 – 4 Series Coupé: Performance Overview 9:28 – 4 Series Coupé: Interior & Technology 10:28 – 4 Series Coupé: Safety Features | BMW Canada