{"product_id":"supertech-bmw-b58-82-5mm-bore-36cc-11-1-cr-pistons-set-of-6-excl-rings","title":"Supertech BMW B58 82.5mm Bore 36cc 11:1 CR Pistons - Set of 6 (Excl Rings)","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eSKU\u003c\/b\u003e: P4-MINB48-82.5-CR11-6\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003e\u003cb\u003eSupertech BMW B58 82.5mm Bore 36cc 11:1 Compression Ratio Forged Pistons - Set of 6 (Excludes Rings)\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eBMW B58 engine build with Supertech's 82.5mm bore forged pistons, crafted to handle aggressive turbo setups and deliver consistent power under high-revving demands. These 11:1 compression ratio pistons provide the durability needed for track days or daily driven performance, allowing your inline-6 to push beyond stock limits while resisting detonation and wear in boosted applications.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eKey Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBore Size\u003c\/b\u003e: 82.5mm (0.5mm oversize for increased displacement)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eCompression Ratio\u003c\/b\u003e: 11:1\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDome Volume\u003c\/b\u003e: 36cc (standard dish design for balanced airflow)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eCompression Height\u003c\/b\u003e: 33.2mm\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eStroke Compatibility\u003c\/b\u003e: 94.6mm\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eRod Length\u003c\/b\u003e: 148.3mm\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eWrist Pin Diameter\u003c\/b\u003e: 22mm\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSkirt Style\u003c\/b\u003e: Slipper design for reduced friction and weight\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eMaterial\u003c\/b\u003e: Forged from enhanced 4032 aluminum alloy with high silicon content, plus added copper, nickel, and magnesium for low thermal expansion, superior wear resistance, and improved heat dissipation gumotorsport.com +1\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePiston Weight\u003c\/b\u003e: 305 grams each (total set weight approximately 1.83 kg \/ 4.03 lbs)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eHeat Treatment\u003c\/b\u003e: Multi-stage process for even hardness distribution and high tensile strength, proven to endure up to 42 psi of turbo boost on alcohol fuels without failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eSupertech leverages over 40 years of racing expertise, using advanced CAD software and finite element analysis to engineer these pistons for maximum strength-to-weight efficiency. The result is a component that supports reliable operation in high-stress environments, making it the go-to option for tuners aiming to extract every horsepower from the B58 platform.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eWhat's Included in Your Purchase\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis complete set delivers everything essential for a precision piston swap:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e6 x Forged pistons (pre-machined ring grooves for exact fit)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e6 x Chrome-moly wrist pins\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e12 x Circlips (spiro locks for secure pin retention)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eNote\u003c\/b\u003e: Piston rings are excluded order separately based on your ring gap specs (recommended Supertech R82.5-GNH8250 for this bore).\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eAll components arrive ready for assembly, with tolerances held to racing standards for seamless integration into your B58 block.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eEngineered specifically for the BMW B58 3.0L inline-6 turbocharged engine, these pistons fit a wide range of performance-oriented BMW models and one Toyota application. Confirm compatibility with your exact chassis and year for optimal results:\u003c\/p\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"0\" class=\"t1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eYear Range\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eMake \u0026amp; Model\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eChassis Code\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eEngine Notes\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2016-2019\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW 340i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eF30\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eSedan\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2017-2020\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW M240i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eF22\/F23\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eCoupe\/Convertible\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2016-2020\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW 440i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eF32\/F33\/F36\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eCoupe\/Convertible\/Gran Coupe\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2017-2023\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW 540i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eG30\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eSedan\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2018-2023\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW X3 M40i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eG01\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eSUV\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2019-2023\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW X4 M40i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eG02\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eSUV Coupe\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2020-2023\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW Z4 M40i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eG29\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eRoadster\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2017-2023\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW 740i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eG11\/G12\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eSedan\/Coupe\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2019-2023\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eBMW 840i\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eG14\/G15\/G16\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eCoupe\/Convertible\/Gran Coupe\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003e2019+\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eToyota GR Supra\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eA90\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" class=\"td1\"\u003e\n\u003cp class=\"p1\"\u003eCoupe (uses BMW B58)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eImportant\u003c\/b\u003e: These pistons require professional installation, including block boring\/honing to 82.5mm and proper ring gapping. Not CARB-legal for emissions-restricted areas.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePackaging and Shipping Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePart Weight\u003c\/b\u003e: 6.4 lbs (shipping weight for the full set)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eBox Dimensions\u003c\/b\u003e: 9 inches wide x 4 inches high x 14.9 inches deep \u003cspan class=\"s1\"\u003e\u003c\/span\u003eSecurely packaged to prevent damage during transit, with protective sleeves on each piston.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eInvest in Supertech BMW B58 82.5mm pistons to transform your ride into a dominant force on the road or strip pair them with upgraded rods and tuning for outputs well over 500 hp.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eOrder your P4-MINB48-82.5-CR11-6 set today and experience the difference in every shift.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":43706387169359,"sku":"SPTP4-MINB48-82.5-CR11-6","price":1006.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_P4-MINB48-82.5-CR11-6.jpg?v=1760721292","url":"https:\/\/www.blackopsautoworks.com\/products\/supertech-bmw-b58-82-5mm-bore-36cc-11-1-cr-pistons-set-of-6-excl-rings","provider":"Black Ops Auto Works","version":"1.0","type":"link"}