{"product_id":"stage-3-s63-high-performance-engine-tu4-bmw-m5-m8","title":"Stage 3 S63 High Performance Engine (TU4)","description":"\u003cp data-start=\"0\" data-end=\"506\"\u003eThe CarBahn BMW S63 engine is specifically designed for high-performance outputs, addressing the limitations of stock boost levels. Utilizing superior racing components like forged Carrillo connecting rods, CP forged pistons, high-performance valve springs, ported heads, and a reground crankshaft with stronger bearings, this rebuild is perfect for BMW performance enthusiasts. It also includes a complete valve job, timing chains, tensioners, water pump, thermostat, and new seals, bearings, and gaskets.\u003c\/p\u003e \u003cp data-start=\"508\" data-end=\"827\"\u003eThe stock high compression ratio, designed for CAFÉ (Corporate Average Fuel Economy), reduces engine performance at higher boost levels. CarBahn's engine lowers the compression by 0.5 to optimize boost and improve drivability on pump gas, while also reducing catalyst inlet temperatures for emissions-legal street cars.\u003c\/p\u003e \u003cp data-start=\"829\" data-end=\"1106\"\u003eKey features include forged rods, forged pistons, high-performance valve springs, ported heads, and a reground crankshaft with stronger bearings, along with labor and machine work for a full overhaul. As a top BMW tuning company, CarBahn ensures a reliable, high-output engine.\u003c\/p\u003e \u003cp data-start=\"1108\" data-end=\"1146\"\u003e\u003cstrong data-start=\"1108\" data-end=\"1145\"\u003eEngine core acceptance parameters\u003c\/strong\u003e:\u003c\/p\u003e \u003cul data-start=\"1147\" data-end=\"1480\"\u003e \u003cli data-start=\"1147\" data-end=\"1202\"\u003eComplete factory engine (from oil pan to valve cover)\u003c\/li\u003e \u003cli data-start=\"1203\" data-end=\"1283\"\u003eBlock must be free of cracks, holes, bore damage, and other irreparable issues\u003c\/li\u003e \u003cli data-start=\"1284\" data-end=\"1359\"\u003eHeads must be free of casting cracks, hole damage, and irreparable issues\u003c\/li\u003e \u003cli data-start=\"1360\" data-end=\"1480\"\u003eAdditional repair charges apply for damaged valves, crankshafts, camshafts, guides, or mechanisms (ValveTronic\/Vanos).\u003c\/li\u003e \u003c\/ul\u003e \u003cp data-start=\"1482\" data-end=\"1585\" data-is-last-node=\"\"\u003eCarBahn offers exceptional BMW S63 engine tuning for those looking to maximize their BMW’s performance.\u003c\/p\u003e","brand":"CarBahn","offers":[{"title":"Stock Compression","offer_id":41597424599103,"sku":"CB463-6003-SC","price":27999.0,"currency_code":"USD","in_stock":true},{"title":"Low Compression","offer_id":41597424631871,"sku":"CB463-6003-LC","price":27999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0046\/5770\/9120\/files\/CBB463-6003_7ac0ed13-fea4-4411-b088-7752f8273cfa.jpg?v=1743438960","url":"https:\/\/shop.precision-sport.com\/products\/stage-3-s63-high-performance-engine-tu4-bmw-m5-m8","provider":"Precision Sport Industries","version":"1.0","type":"link"}