{"product_id":"gates-84-91-bmw-325-e-es-i-ix-is-m20-performance-timing-belt","title":"Gates 84-91 BMW 325\/e\/es\/i\/iX\/is M20 Performance Timing Belt","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eT131RB\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 770075601364\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGates 84-91 BMW 325\/e\/es\/i\/iX\/is M20 Performance Timing Belt\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Gates T131RB delivers high-performance timing for BMW M20 engines in 325, 325e, 325es, 325i, 325is, 325iX models from 1984 to 1991, plus select 525i and 528e. Engineered with fiberglass tensile cords and HNBR compound, it maintains precise valve timing at high RPMs while resisting heat, oil, and elongation. Ideal for performance builds needing consistent power transfer.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiberglass Tensile Cord:\u003c\/strong\u003e Handles high loads and resists stretching for stable performance during prolonged high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHNBR Compound:\u003c\/strong\u003e Withstands oil contamination, temperatures up to 300°F, and cracking to extend service life in tough conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Molded Teeth:\u003c\/strong\u003e 132 teeth at 8mm pitch provide exact OEM synchronization and quiet, efficient operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19mm Width Design:\u003c\/strong\u003e Matches M20 engine specs for direct replacement with improved pulley grip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNylon Tooth Facing:\u003c\/strong\u003e Reduces friction and wear for smoother tooth engagement and lower noise levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInspect and replace tensioner, idler pulley, and water pump during service for full reliability\u003c\/li\u003e\n\u003cli\u003eService interval 60,000 miles or sooner in modified or track applications\u003c\/li\u003e\n\u003cli\u003ePackaged to prevent contamination and damage during transit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eRequires BMW-specific camshaft locking tool and tension gauge for proper alignment\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM pulleys, tensioners, and covers, no modifications needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1986-1988\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1984-1987\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325e\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1986-1987\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325es\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1987-1993\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325i\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1987-1991\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325is\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-1991\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e325iX\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1990\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e525i\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1982-1988\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e528e\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Gates?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOver 110 years of belt engineering expertise for automotive and racing\u003c\/li\u003e\n\u003cli\u003eProven in motorsports with materials tested for extreme durability\u003c\/li\u003e\n\u003cli\u003eExact tolerances match BMW M20 requirements for seamless integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit my 1987 BMW 325i with M20B25 engine?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct fit for all listed 325 series M20 variants from 1984-1991, including E30 chassis models\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material construction does it use?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e HNBR rubber with fiberglass cord and nylon facing for heat, oil, and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Gates provides a limited defect warranty, valid with proper installation and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original Gates box, 12 x 8 x 1.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.35 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":43783027720271,"sku":"GATT131RB","price":371.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gates-84-91-bmw-325eesiixis-m20-performance-timing-belt-gates.png?v=1770406066","url":"https:\/\/www.blackopsautoworks.com\/products\/gates-84-91-bmw-325-e-es-i-ix-is-m20-performance-timing-belt","provider":"Black Ops Auto Works","version":"1.0","type":"link"}