BMW N54 Engine Drive Belt Tensioner & Idler Pulley Kit with Billet Aluminium Power Steering Pulley for E82 / E88 135i & E90 / E91 / E92 / E93 335i / 335xi 2007 - 2010 16-17 Porsche 911 Carrera S/4/4S/GTS (991.2) H10 bulb compatibility - Drop-in

H10 bulb compatibility - Drop-in replacement

Aluminum construction seals your header-to-manifold joint without blowby or exhaust leaks

Contact our customer service team with photos of fitment issues or misalignment before installing permanently

neutral fragrance that won't clash with your cabin

BMW N54 Engine Drive Belt Tensioner & Idler Pulley Kit with Billet Aluminium Power Steering Pulley for E82 / E88 135i & E90 / E91 / E92 / E93 335i / 335xi 2007 - 2010 16-17 Porsche 911 Carrera S/4/4S/GTS (991.2) H10 bulb compatibility - Drop-inAddress the most critical accessory drive failure on your BMW N54 engine with this comprehensive drive belt tensioner and pulley kit, featuring an upgraded billet aluminium power steering pulley that permanently solves one of the N54's most well known and dangerous failure modes. The factory plastic power steering pulley on N54 equipped 135i, 335i, and 335xi models is notorious for cracking and breaking apart when this happens, the pulley can strike