{"title":"BMW M135i Exhausts","description":"\u003cp\u003eMilltek Sport performance exhaust systems for BMW M135i F20, F21 \u0026amp; F40. Cat-back, turbo-back, downpipes and silencer upgrades for 3.0 \u0026amp; 2.0 Turbo engines.\u003c\/p\u003e\u003cp\u003eAll systems manufactured from aircraft-grade 304 stainless steel. EC Approved road-legal options available on selected systems.\u003c\/p\u003e","products":[{"product_id":"exhaust-system-1-series-m135i-3-5-door-f21-f20-none-xdrive","title":"BMW 1 Series M135i 3 \u0026 5 Door (F21 \u0026 F20, None Xdrive) Cat-back","description":"\u003cp\u003eThis Milltek Sport performance exhaust is precision-engineered.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConstructed from aircraft-grade 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework for optimal flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1x ValveSonic Plus Controller and Loom for BMW F Series\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 Series M135I 3 \u0026amp; 5 Door (F21 \u0026amp; F20, None Xdrive)\u003c\/li\u003e\n\u003cli\u003e1 Series M140I 3 \u0026amp; 5 Door (F20 \u0026amp; F21 Lci, Non-OPF \u0026amp; None Xdrive)\u003c\/li\u003e\n\u003cli\u003e2 Series M2 Coupé (F87)\u003c\/li\u003e\n\u003cli\u003e2 Series M235I Coupé (F22) (None Xdrive)\u003c\/li\u003e\n\u003cli\u003e2 Series M240I Coupe (F22 Lci, Non-OPF \u0026amp; None Xdrive)\u003c\/li\u003e\n\u003cli\u003e3 Series F80 M3 \u0026amp; M3 Competition Saloon (Non OPF\/GPF Models Only)\u003c\/li\u003e\n\u003cli\u003e4 Series F82\/83 M4 Coupe\/Convertible \u0026amp; M4 Competition Coupé (Non-OPF Equipped Models Only)\u003c\/li\u003e\n\u003cli\u003eValvesonic + BMW F Series Models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Some configurations (such as de-cat options) are for motorsport\/off-road use only.\u003c\/em\u003e\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Standard \/ Standard","offer_id":63225336758621,"sku":"SSXVS001","price":438.73,"currency_code":"GBP","in_stock":true},{"title":"Cerakote Black \/ 3.00\"","offer_id":63225336791389,"sku":"SSXBM966","price":1440.68,"currency_code":"GBP","in_stock":true},{"title":"Polished \/ 3.00\"","offer_id":63225336824157,"sku":"SSXBM967","price":1346.06,"currency_code":"GBP","in_stock":true},{"title":"Titanium \/ 3.00\"","offer_id":63225336856925,"sku":"SSXBM1024","price":1593.52,"currency_code":"GBP","in_stock":true},{"title":"Cerakote Black \/ 3.00\" (SSXBM965)","offer_id":63225336889693,"sku":"SSXBM965","price":1438.0,"currency_code":"GBP","in_stock":true},{"title":"Polished \/ 3.00\" (SSXBM964)","offer_id":63225336922461,"sku":"SSXBM964","price":1343.38,"currency_code":"GBP","in_stock":true},{"title":"Titanium \/ 3.00\" (SSXBM1023)","offer_id":63225336955229,"sku":"SSXBM1023","price":1590.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6586\/7101\/files\/SSXVS001_1__81014.jpg?v=1769608771"},{"product_id":"cat-back-1-series-m135i-3-5-door-f21-f20-none-xdrive","title":"BMW 1 Series M135i 3 \u0026 5 Door (F21 \u0026 F20, None Xdrive) Cat-back","description":"\u003cp\u003eThis Milltek Sport cat-back exhaust system replaces the factory exhaust from the catalytic converter rearward.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConstructed from aircraft-grade 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework for optimal flow\u003c\/li\u003e\n\u003cli\u003eLarge-bore 3.00\" (76.20mm) tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included*\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1x Rear Silencer Connecting Pipe\u003c\/li\u003e\n\u003cli\u003e1x Rear Silencer - Race\u003c\/li\u003e\n\u003cli\u003e2x Rear Silencer Connecting Pipes\u003c\/li\u003e\n\u003cli\u003e2x Cerakote Black Tip Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Exact components may vary depending on variant selection (e.g., tip style, cat type, sound level).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 Series M135I 3 \u0026amp; 5 Door (F21 \u0026amp; F20, None Xdrive)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Some configurations (such as de-cat options) are for motorsport\/off-road use only.\u003c\/em\u003e\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Cerakote Black \/ Race","offer_id":63225337086301,"sku":"SSXBM960","price":998.29,"currency_code":"GBP","in_stock":true},{"title":"Polished \/ Race","offer_id":63225337119069,"sku":"SSXBM959","price":903.67,"currency_code":"GBP","in_stock":true},{"title":"Titanium \/ Race","offer_id":63225337151837,"sku":"SSXBM1026","price":1151.12,"currency_code":"GBP","in_stock":true},{"title":"Cerakote Black \/ Road Legal","offer_id":63225337184605,"sku":"SSXBM958","price":995.6,"currency_code":"GBP","in_stock":true},{"title":"Polished \/ Road Legal","offer_id":63225337217373,"sku":"SSXBM957","price":900.98,"currency_code":"GBP","in_stock":true},{"title":"Titanium \/ Road Legal","offer_id":63225337250141,"sku":"SSXBM1025","price":1148.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6586\/7101\/files\/SSXBM960_1__46563.jpg?v=1769608773"},{"product_id":"accessories-1-series-128ti-5-door-f40-opfgpf-equipped","title":"BMW 1 Series 128Ti 5 Door (F40 OPF\/GPF Equipped) Accessories","description":"\u003cp\u003eThis Maxton rear diffuser is designed for the Milltek Sport quad-outlet exhaust on the BMW 1 Series 128Ti (F40).\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1x Maxton x Milltek M135i F40 Gloss Diffuser (Quad Outlet)\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 Series 128Ti 5 Door (F40 OPF\/GPF Equipped)\u003c\/li\u003e\n\u003cli\u003e1 Series M135I Xdrive 5 Door (F40 OPF\/GPF Equipped)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Some configurations (such as de-cat options) are for motorsport\/off-road use only.\u003c\/em\u003e\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":63225339412829,"sku":"SSXBM1242","price":238.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6586\/7101\/files\/SSXBM1242_1__05667_4f3ca077-3e72-4f0c-9ace-416e03a8a0e8.jpg?v=1772718746"},{"product_id":"particulate-filter-back-1-series-m135i-xdrive-5-door-f40-opfgpf-equipped","title":"BMW 1 Series M135i Xdrive 5 Door (F40 OPF\/GPF Equipped) Particulate Filter-back","description":"\u003cp\u003eThis Milltek Sport particulate filter-back exhaust replaces the factory exhaust from the OPF\/GPF rearward.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConstructed from aircraft-grade 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework for optimal flow\u003c\/li\u003e\n\u003cli\u003eLarge-bore 3.00\" (76.20mm) tubing\u003c\/li\u003e\n\u003cli\u003eRoad legal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included*\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1x Adapter to OE GPF\/OPF\u003c\/li\u003e\n\u003cli\u003e1x Connecting Pipe\u003c\/li\u003e\n\u003cli\u003e1x Rear Silencer Assembly\u003c\/li\u003e\n\u003cli\u003e1x LH Valved Outlet Pipe\u003c\/li\u003e\n\u003cli\u003e1x RH Outlet Pipe\u003c\/li\u003e\n\u003cli\u003e2x 4.5\" Burnt Titanium Tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Exact components may vary depending on variant selection (e.g., tip style, cat type, sound level).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 Series M135I Xdrive 5 Door (F40 OPF\/GPF Equipped)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"GT115 Burnt Titanium","offer_id":63225340592477,"sku":"SSXBM1155","price":1623.5,"currency_code":"GBP","in_stock":true},{"title":"GT115 Cerakote Black","offer_id":63225340625245,"sku":"SSXBM1153","price":1420.32,"currency_code":"GBP","in_stock":true},{"title":"GT115 Polished","offer_id":63225340658013,"sku":"SSXBM1152","price":1259.47,"currency_code":"GBP","in_stock":true},{"title":"GT115 Brushed Titanium","offer_id":63225340690781,"sku":"SSXBM1154","price":1553.33,"currency_code":"GBP","in_stock":true},{"title":"JET115 Carbon","offer_id":63225340723549,"sku":"SSXBM1156","price":1586.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6586\/7101\/files\/SSXBM1155_1__76392_a683e1e4-ee8e-43a6-81af-74a88cbab6db.jpg?v=1772718751"},{"product_id":"silencer-1-series-m135i-3-5-door-f21-f20-none-xdrive","title":"BMW 1 Series M135i 3 \u0026 5 Door (F21 \u0026 F20, None Xdrive) Silencer","description":"\u003cp\u003eThis Milltek Sport rear silencer upgrade transforms your exhaust note.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConstructed from aircraft-grade 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework for optimal flow\u003c\/li\u003e\n\u003cli\u003eLarge-bore 3.00\" (76.20mm) tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included*\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1x Flexible Connecting Pipe\u003c\/li\u003e\n\u003cli\u003e1x Centre Connecting Pipe\u003c\/li\u003e\n\u003cli\u003e1x Rear Silencer Connecting Pipe\u003c\/li\u003e\n\u003cli\u003e1x Rear Silencer - Race\u003c\/li\u003e\n\u003cli\u003e2x Rear Silencer Connecting Pipes\u003c\/li\u003e\n\u003cli\u003e2x Cerakote Black Tip Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Exact components may vary depending on variant selection (e.g., tip style, cat type, sound level).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 Series M135I 3 \u0026amp; 5 Door (F21 \u0026amp; F20, None Xdrive)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Some configurations (such as de-cat options) are for motorsport\/off-road use only.\u003c\/em\u003e\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Cerakote Black \/ Race \/ 3.00\"","offer_id":63724381045085,"sku":"SSXBM966","price":1440.68,"currency_code":"GBP","in_stock":true},{"title":"Polished \/ Race \/ 3.00\"","offer_id":63724381077853,"sku":"SSXBM967","price":1346.06,"currency_code":"GBP","in_stock":true},{"title":"Titanium \/ Race \/ 3.00\"","offer_id":63724381110621,"sku":"SSXBM1024","price":1593.52,"currency_code":"GBP","in_stock":true},{"title":"Cerakote Black \/ Race \/ 3.00\" (SSXBM965)","offer_id":63724381143389,"sku":"SSXBM965","price":1438.0,"currency_code":"GBP","in_stock":true},{"title":"Polished \/ Race \/ 3.00\" (SSXBM964)","offer_id":63724381176157,"sku":"SSXBM964","price":1343.38,"currency_code":"GBP","in_stock":true},{"title":"Titanium \/ Race \/ 3.00\" (SSXBM1023)","offer_id":63724381208925,"sku":"SSXBM1023","price":1590.83,"currency_code":"GBP","in_stock":true},{"title":"Cerakote Black \/ Race \/ 3.00\" (SSXBM960)","offer_id":63724381241693,"sku":"SSXBM960","price":998.29,"currency_code":"GBP","in_stock":true},{"title":"Polished \/ Race \/ 3.00\" (SSXBM959)","offer_id":63724381274461,"sku":"SSXBM959","price":903.67,"currency_code":"GBP","in_stock":true},{"title":"Titanium \/ Race \/ 3.00\" (SSXBM1026)","offer_id":63724381307229,"sku":"SSXBM1026","price":1151.12,"currency_code":"GBP","in_stock":true},{"title":"Cerakote Black \/ Road Legal \/ 3.00\"","offer_id":63724381339997,"sku":"SSXBM958","price":995.6,"currency_code":"GBP","in_stock":true},{"title":"Polished \/ Road Legal \/ 3.00\"","offer_id":63724381372765,"sku":"SSXBM957","price":900.98,"currency_code":"GBP","in_stock":true},{"title":"Titanium \/ Road Legal \/ 3.00\"","offer_id":63724381405533,"sku":"SSXBM1025","price":1148.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6586\/7101\/files\/SSXBM966_1__07026_695f1ba2-a08d-4602-962a-7c148f71ea14.jpg?v=1772718739"},{"product_id":"silencer-1-series-m135i-xdrive-5-door-f40-opfgpf-equipped","title":"BMW 1 Series M135i Xdrive 5 Door (F40 OPF\/GPF Equipped) Particulate Filter-back","description":"\u003cp\u003eThis Milltek Sport particulate filter-back exhaust replaces the factory exhaust from the OPF\/GPF rearward.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConstructed from aircraft-grade 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework for optimal flow\u003c\/li\u003e\n\u003cli\u003eLarge-bore 3.00\" (76.20mm) tubing\u003c\/li\u003e\n\u003cli\u003eRoad legal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included*\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1x Adapter to OE GPF\/OPF\u003c\/li\u003e\n\u003cli\u003e1x Connecting Pipe\u003c\/li\u003e\n\u003cli\u003e1x Rear Silencer Assembly\u003c\/li\u003e\n\u003cli\u003e1x Lh Valved Outlet Pipe (Quad Outlet System)\u003c\/li\u003e\n\u003cli\u003e1x RH Outlet Pipe (Quad Outlet System)\u003c\/li\u003e\n\u003cli\u003e2x Y Pipe (Quad Outlet System)\u003c\/li\u003e\n\u003cli\u003e4x Brushed Titanium Tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e*Exact components may vary depending on variant selection (e.g., tip style, cat type, sound level).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 Series M135I Xdrive 5 Door (F40 OPF\/GPF Equipped)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"GT100 Brushed Titanium","offer_id":63724383600989,"sku":"SSXBM1246","price":2237.24,"currency_code":"GBP","in_stock":true},{"title":"GT100 Burnt Titanium","offer_id":63724383633757,"sku":"SSXBM1247","price":2337.04,"currency_code":"GBP","in_stock":true},{"title":"GT100 Cerakote Black","offer_id":63724383666525,"sku":"SSXBM1245","price":1828.18,"currency_code":"GBP","in_stock":true},{"title":"GT100 Polished","offer_id":63724383699293,"sku":"SSXBM1244","price":1693.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6586\/7101\/files\/milltek-image-coming-soon.jpg?v=1792614816"}],"url":"https:\/\/www.milltekshop.com\/collections\/m135i-exhausts.oembed","provider":"Milltek Shop UK","version":"1.0","type":"link"}