1. I had a 2016 (first year) 750li and the steering assistance was useless: it could not keep the lane for more than a few seconds, wondering off. Any lane imperfection would make it to lose it immediately.
2. now 2018 model - on mine it works pretty well now. Entirely useable and useful. It would lose a lane occasionally in more challenging conditions, otherwise is locked on it pretty good, following the turns, pretty smooth etc.
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BMW M760Li 2018 | BMW M850i 2019 coupe
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