{"product_id":"milltek-downpipe-back-exhaust-bmw-x3-x3m-comp-g01-3-0-with-opf-gpf-s58-pre-lci-19-21","title":"Milltek Downpipe Back Exhaust BMW X3 X3M Comp G01 3.0 with OPF\/GPF S58 Pre LCI 19-21","description":"\u003ch2\u003eMilltek Downpipe-back Exhaust for BMW X3 X3M\/X3M Comp (G01) 3.0 (ROW \u0026amp; North American S58 Engine - LCI only) (2022 and Later) (2022 onwards) – Sharper Sound, Reduced Back Pressure\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's downpipe for the BMW X3 X3M\/X3M Comp (G01) 3.0 (with OPF\/GPF S58 Engine - Pre LCI only). It replaces the factory downpipe with a less restrictive design for improved flow at one of the most restrictive points in the system. Check the specification below to see whether this particular version retains a catalyst. It's offered in non-resonated or resonated versions and 5 tailpipe finishes, so you can pick the setup that suits how the car's used.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Downpipe-back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 80mm (3.15\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Approved:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Time:\u003c\/strong\u003e approx. 2 to 3 hours (Milltek figure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow\u003c\/li\u003e\n\u003cli\u003e80mm (3.15\") pipework\u003c\/li\u003e\n\u003cli\u003eReplaces the standard exhaust from the catalytic converter back, so the factory cat is retained\u003c\/li\u003e\n\u003cli\u003eChoice of 5 tailpipe finishes: GT-115 Burnt Titanium, GT-115 Cerakote Black, GT-115 Polished, GT-115 Titanium, JET-115 Carbon Fibre\u003c\/li\u003e\n\u003cli\u003eResonated (quieter) or non-resonated (louder) versions\u003c\/li\u003e\n\u003cli\u003eDesigned, developed and manufactured in the UK by Milltek Sport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW X3 X3M\/X3M Comp (G01) 3.0 (ROW \u0026amp; North American S58 Engine - LCI only) (2022 and Later) (2022 onwards)\u003c\/li\u003e\n\u003cli\u003eBMW X3 X3M\/X3M Comp (G01) 3.0 (with OPF\/GPF S58 Engine - Pre LCI only) (2019-2021)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot every version fits every car in this list. Check the fitment shown for the option you select.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the BMW X3 X3M\/X3M Comp (G01) 3.0 (with OPF\/GPF S58 Engine - LCI only), which needs the \u003ca href=\"\/products\/milltek-downpipe-back-exhaust-bmw-x3-x3m-comp-g01-3-0-with-opf-gpf-s58-lci-22\"\u003eMilltek Downpipe-back Exhaust BMW X3 X3M \u0026amp; X3M Comp G01 3.0 (with OPF\/GPF S58 Engine - LCI only) 22+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes a fitting time of approx. 2 to 3 hours. Some versions: OPF\/GPF Bypass System - Non-Resonated (Louder) - Requires Stage 2 ECU Remap or OPF\/GPF Bypass Module (Available from www.leib-engineering.de), GT-115 Burnt Titanium Trims. Some versions: OPF\/GPF Bypass System - Non-Resonated (Louder) - Requires Stage 2 ECU Remap or OPF\/GPF Bypass Module (Available from www.leib-engineering.de), GT-115 Cerakote Black Trims. Some versions: OPF\/GPF Bypass System - Non-Resonated (Louder) - Requires Stage 2 ECU Remap or OPF\/GPF Bypass Module (Available from www.leib-engineering.de), GT-115 Polished Trims. Some versions: OPF\/GPF Bypass System - Non-Resonated (Louder) - Requires Stage 2 ECU Remap or OPF\/GPF Bypass Module (Available from www.leib-engineering.de), GT-115 Titanium Trims. We recommend professional fitting on a ramp. Once fitted, check the tailpipe alignment and re-check all clamps after the first few hundred miles.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between the resonated and non-resonated versions?\u003c\/h3\u003e\n\u003cp\u003eThe resonated version adds extra silencing for a quieter, more refined tone. The non-resonated version leaves it out, so it is louder and more aggressive.\u003c\/p\u003e\n\u003ch3\u003eWhich tailpipe finishes are available?\u003c\/h3\u003e\n\u003cp\u003eYou can choose from: GT-115 Burnt Titanium, GT-115 Cerakote Black, GT-115 Polished, GT-115 Titanium, JET-115 Carbon Fibre. The finish is cosmetic and does not change the sound.\u003c\/p\u003e\n\u003ch3\u003eWill it fit the BMW X3 X3M\/X3M Comp (G01) 3.0 (with OPF\/GPF S58 Engine - Pre LCI only)?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek lists this part for the BMW X3 X3M\/X3M Comp (G01) 3.0 (with OPF\/GPF S58 Engine - Pre LCI only) as well as the other models in the fitment list above.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the BMW X3 X3M\/X3M Comp (G01) 3.0 (with OPF\/GPF S58 Engine - LCI only)?\u003c\/h3\u003e\n\u003cp\u003eNo. For that car, choose the \u003ca href=\"\/products\/milltek-downpipe-back-exhaust-bmw-x3-x3m-comp-g01-3-0-with-opf-gpf-s58-lci-22\"\u003eMilltek Downpipe-back Exhaust BMW X3 X3M \u0026amp; X3M Comp G01 3.0 (with OPF\/GPF S58 Engine - LCI only) 22+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eMilltek lists this as a race part without EC approval, so it is intended for off-road and competition use.\u003c\/p\u003e\n\u003ch3\u003eDo I need a remap?\u003c\/h3\u003e\n\u003cp\u003eNo. It fits behind the factory catalytic converter, so no software changes are needed.\u003c\/p\u003e\n\u003ch3\u003eDoes it keep the factory catalytic converter?\u003c\/h3\u003e\n\u003cp\u003eYes. It fits behind the factory catalytic converter, which stays in place.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take to fit?\u003c\/h3\u003e\n\u003cp\u003eMilltek quotes approx. 2 to 3 hours.\u003c\/p\u003e\n\u003ch3\u003eWhat is it made from?\u003c\/h3\u003e\n\u003cp\u003eT304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Non-Resonated \/ GT-115 Burnt Titanium","offer_id":56392785920385,"sku":"MIL-SSXBM1217","price":4224.11,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Cerakote Black","offer_id":56392785953153,"sku":"MIL-SSXBM1215","price":3858.34,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Polished","offer_id":56392785985921,"sku":"MIL-SSXBM1199","price":3568.85,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ GT-115 Titanium","offer_id":56392786018689,"sku":"MIL-SSXBM1216","price":4097.81,"currency_code":"GBP","in_stock":true},{"title":"Non-Resonated \/ JET-115 Carbon Fibre","offer_id":56392786051457,"sku":"MIL-SSXBM1218","price":4156.64,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Burnt Titanium","offer_id":56392786084225,"sku":"MIL-SSXBM1209","price":4428.17,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Cerakote Black","offer_id":56392786116993,"sku":"MIL-SSXBM1239","price":4062.4,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Polished","offer_id":56392786149761,"sku":"MIL-SSXBM1198","price":3772.92,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ GT-115 Titanium","offer_id":56392786182529,"sku":"MIL-SSXBM1238","price":4301.87,"currency_code":"GBP","in_stock":true},{"title":"Resonated \/ JET-115 Carbon Fibre","offer_id":56392786215297,"sku":"MIL-SSXBM1210","price":4360.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXBM1217_1_d62db63c-aa6e-4102-ba52-845bc131a913.jpg?v=1791892531","url":"https:\/\/milltekexhaustshop.com\/products\/milltek-downpipe-back-exhaust-bmw-x3-x3m-comp-g01-3-0-with-opf-gpf-s58-pre-lci-19-21","provider":"Milltek Exhaust Shop","version":"1.0","type":"link"}