BMW E90 F10 F20 F25 F30 mechanical belt tensioner 11287810807

Direct-fit mechanical tensioner for BMW diesel models with N47 and N57 engines - E90, F10, F20, F25, F30, F31, F32, F33, F34, F36, F07, F11, F06, F12, F13, E84, F26, F15, F16.

Replaces worn units causing belt squeal, alternator voltage drop or accessory slippage. No adjustment needed - factory geometry and spring rate retained.

• Exact OEM-spec mechanical design (not hydraulic or electric)
• Fits 125d, 330d, 535d, X3 xDrive35d, X5 xDrive30d and others listed
• Prevents premature wear on alternator, power steering pump and A/C compressor
• Part number 11287810807 - matches genuine BMW fitment