Drive Belt Tensioner Idler Pulley For BMW E36 E46 325i 328i E39 525i 528i X5 E53 Z4 E85 11287841228. 【Direct Install】Directly replaces the part number 11287841228. This deflection pulley has an offset bolt hole and CANNOT be sued for models with a centered bolt hole, if you have one that is not offset you need part #11281748131 which is centered.
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