Belt Tensioner Assy E84 Steel 11-28-7-582-946 for BMW for 335i xDrive 3.0L 2011-2014 17-Bearing Bore Inside Diameter (mm)

the Story of Engine Timing Belt TensionerEarly timing belt systems used fixed tensioners. -loaded tensioners appeared in the 1970s. hydraulic automatic tensioners arrived in the 1980s for improved consistency. modern engines use sophisticated designs with mechanisms. material improvements increased durability and reliability across all applications.Fitmentfor BMWfor X1 3.0L 2013-2015for 135i 3.0L 2011-2013for 335i 3.0L 2011-2014 & for xDrive 3.0L 2011-2014MaterialSteel Part NumberURO012135,11-28-7-582-11287582946P,48742,11287582946,503860,39416,FT40496Bearing Bore Inside Diameter Mm17 Belt TypeV-ribbed Number of Mounting Holes1 Outside Diameter Mm70,70 Pulley Quantity2 Quantity Sold1pc Width Mm30,30 SeriesE82,e88,e92,e93,e84 FeatureItem typeHow to Install Engine Timing Belt Tensionerthe timing belt cover. release tension from the tensioner using a wrench on the tensioner pulley. mounting bolts and the tensioner. position the new tensioner, ensuring proper alignment with belt path. torque bolts to manufacturer specifications. reinstall the timing belt with correct tension. rotate engine manually to verify timing marks align.Function of Engine Timing Belt Tensionerthe tensioner maintains consistent belt tension to ensure timing between and . it belt slippage that causes valve timing errors. the component absorbs vibration and reduces belt noise. it compensates for thermal expansion and belt wear. proper tension premature belt failure and protects engine components.

• Fitment: for BMW;for X1 3.0L 2013-2015;for 135i 3.0L 2011-2013;for 335i 3.0L 2011-2014 & xDrive 3.0L 2011-2014
• Material: Steel
• Part Number: 11287582946P,11-28-7-582-,URO012135,503860,11287582946,39416,48742,FT40496
• Bearing Bore Inside Diameter (Mm): 17
• Belt Type: V-Ribbed
• Number of Mounting Holes: 1
• Outside Diameter (Mm): 70,70
• Pulley Quantity: 2
• Quantity Sold: 1pc
• Series: E82,E88,E92,E93,E84