{"product_id":"bmw-e60-m5-m6-underdrive-pulley","title":"BMW E60 M5\/M6 Underdrive pulley","description":"\u003cp\u003eOur specially designed and engineered S85 underdrive pulley kit is a great addition to the M5\/M6.  This is done by improving power through reducing parasitic drag on the engine from slowing the speed of the alternator, water pump and AC compressor components. Hp Gains are approx 10-20hp depending on condition of car, climate, and other preformance products.\u003c\/p\u003e \u003cp\u003eFor maximum performance we also suggest pairing our full exhaust system with our specially designed performance software\u003c\/p\u003e \u003cp\u003eFeatures: \u003c\/p\u003e \u003cp\u003e-CNC hard anodized S85 crank pulley.  Precise and measured belt groves and bolt holes.\u003cbr\u003e-Serpentine belt\u003cbr\u003e-Power steering \u0026amp; AC belt\u003c\/p\u003e \u003cp\u003eCAN NOT BE COMBINED WITH SUPERCHARGER SYSTEM!\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBoschma's Speed Shop is an authorized ESS Tuning dealer.\u003c\/strong\u003e Questions about fitment or setup? Call us at 608-481-2789 or email bandbracing@sbcglobal.net.\u003c\/p\u003e","brand":"ESS Tuning","offers":[{"title":"Default Title","offer_id":42865654038610,"sku":null,"price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/3255\/5858\/files\/ess-582-1.jpg?v=1793570962","url":"https:\/\/boschmasspeedshop.com\/products\/bmw-e60-m5-m6-underdrive-pulley","provider":"Boschma's Speed Shop","version":"1.0","type":"link"}