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BMW 4-Series vs. Lexus IS Reliability by Model Generation

Results are for year ending June 30, 2018. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year and Model % of Average Repair Frequency  
2014 - 2018 BMW 4-Series Reliability by Generation2014 - 2018 BMW 4-Series
36.2857142857% Best 101% Worst
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2006 - 2013 Lexus IS Reliability by Generation2006 - 2013 Lexus IS
20.8571428571% Best 74% Worst
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