The belt tensioner plays an important role by keeping the accessory drive belt under tension. The tensioner pulley guides the drive belt along its path. If your tensioner pulley is squealing, rattling or grinding the bearing in the pulley is failing. If the belt tensioner or pulley is failing it can cause the drive belt to become loose, if it completely fails it can cause the drive belt to dislodge and potentially damage other engine components. Replace your failing tensioner before causing any damage.
BMW 3 Series E46 (1997-2006) 2.5L 141kW | 325ti ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E36 (1990-2000) 2.5L 125kW | 323i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E36 (1990-2000) 2.5L 141kW | 325i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E36 (1990-2000) 2.8L 142kW | 328i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.5L 125kW | 323Ci ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.5L 141kW | 325Ci ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 3.0L 170kW | 330Ci ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E36 (1990-2000) 2.0L 110kW | 320i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.2L 125kW | 320Ci ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.8L 142kW | 328Ci ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.2L 125kW | 320i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.0L 110kW | 320i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.5L 125kW | 323i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.5L 141kW | 325i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 2.8L 142kW | 328i ! Fitment Restriction: Driven unit: alternator
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BMW 3 Series E46 (1997-2006) 3.0L 170kW | 330i ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E34 (1987-1996) 2.0L 110kW | 520i 24V ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E34 (1987-1996) 2.5L 141kW | 525i 24V ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E39 (1995-2003) 2.0L 110kW | 520i ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E39 (1995-2003) 2.5L 125kW | 523i ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E39 (1995-2003) 2.5L 141kW | 525i ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E39 (1995-2003) 2.8L 142kW | 528i ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E39 (1995-2003) 3.0L 170kW | 530i ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E60 (2002-2010) 2.5L 141kW | 525i ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E60 (2002-2010) 3.0L 170kW | 530i ! Fitment Restriction: Driven unit: alternator
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BMW 5 Series E34 (1987-1996) 2.5L 141kW | 525i ! Fitment Restriction: Driven unit: alternator
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BMW X3 E83 (2004-2011) 2.5L 141kW | i ! Fitment Restriction: Driven unit: alternator
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BMW X3 E83 (2004-2011) 3.0L 170kW | i ! Fitment Restriction: Driven unit: alternator
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BMW X5 E53 (2000-2006) 3.0L 170kW | i ! Fitment Restriction: Driven unit: alternator
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BMW Z3 E36/8 (1998-2001) 2.8L 142kW | i ! Fitment Restriction: Driven unit: alternator
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BMW Z3 E36/7 (1996-2003) 2.0L 110kW | i ! Fitment Restriction: Driven unit: alternator
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BMW Z3 E36/7 (1996-2003) 2.2L 125kW | i ! Fitment Restriction: Driven unit: alternator
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BMW Z3 E36/7 (1996-2003) 2.8L 142kW | i ! Fitment Restriction: Driven unit: alternator
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BMW Z3 E36/7 (1996-2003) 3.0L 170kW | i ! Fitment Restriction: Driven unit: alternator
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BMW Z4 E85 (2003-2008) 2.5L 141kW | i ! Fitment Restriction: Driven unit: alternator
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BMW Z4 E85 (2003-2008) 3.0L 170kW | i ! Fitment Restriction: Driven unit: alternator
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