BorgWarner Inc. provided earnings guidance for the first quarter and full year of 2018. For the full year of 2018, the company expects net sales of $10.4 billion - $10.6 billion, implying organic sales growth of 5.0% to 7.0% compared with expected 2017 net sales of $9.79 billion. Operating income as a percentage of net sales of 12.6% - 12.7% compared to 12.5% in 2017. Net earnings are expected at $4.15 to $4.25 per diluted share. Effective tax rate is expected to be approximately 29%, exclusive of any impact of the new U.S. tax act. Free cash flow is expected to be within a range of $500 million to $550 million. The company also provided guidance for first quarter 2018: Organic net sales growth of 3.0% to 5.5% compared with first quarter 2017 net sales of $2.41 billion. The acquisition of Sevcon is expected to increase revenue by $15 million. Net earnings are expected at $0.97 to $1.01 per diluted share.