{"product_id":"performance-radiator-for-bmw-z3-1996-1997-1-9l","title":"Performance Radiator for BMW Z3 (1996-1997) 1.9L","description":"\u003ch2\u003eHigh-Efficiency All-Aluminum Performance Radiator for 1996-1997 BMW Z3\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Radiator replaces the fragile composite factory unit on the 1996-1997 BMW Z3 to eliminate catastrophic coolant loss and provide consistent thermal dissipation under hard driving conditions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock BMW Z3 Cooling System Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory cooling modules on the \u003cstrong\u003eE36\/7\u003c\/strong\u003e chassis rely on a radiator built with crimped plastic PA66 end tanks and thin-gauge core mating. Decades of aggressive thermal cycling render these plastic end tanks and coolant hose necks brittle, leading to sudden stress fractures, blown core gaskets, and rapid coolant loss. Because the 1.9L \u003cstrong\u003eM44B19\u003c\/strong\u003e DOHC engine utilizes an aluminum cylinder head matched to a cast-iron block, thermal shock from an overheating event can quickly warp the head casting, leading to blown head gaskets and severe internal engine damage.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered to resolve OEM structural liabilities, this performance drop-in replacement features 100% TIG-welded, aircraft-grade all-aluminum construction. By swapping plastic tanks for reinforced aluminum sheet, it eliminates crimped O-ring failure points and withstands elevated system pressures. The high-efficiency tube-and-fin core enhances fluid volume and frontal surface area, optimizing heat-sink capacity and lowering operating coolant temps during continuous track or spirited street use. It drops into factory mounting brackets with direct compatibility for OEM part numbers \u003cstrong\u003e17111723536\u003c\/strong\u003e, \u003cstrong\u003e17111723990\u003c\/strong\u003e, and \u003cstrong\u003e17111728905\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e1996-1997 BMW Z3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eM44B19 \/ E36\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e138 hp \/ 133 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e17111723536, 17111723990, 17111728905, 17111728906\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1996 BMW Z3 Base Roadster 1.9L L4 (M44B19 \/ E36\/7)\u003c\/li\u003e\n  \u003cli\u003e1997 BMW Z3 Base Roadster 1.9L L4 (M44B19 \/ E36\/7)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the E36\/7 Z3?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 1996-1997 BMW Z3 equipped with the M44B19 engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes installation require trimming the factory fan shroud?\u003c\/strong\u003e\u003cbr\u003e No, the radiator is engineered with precise factory-dimensioned mounting tabs to reuse the stock shroud and mechanical fan clearances without fabrication.\u003c\/p\u003e\n\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEuropean roadsters demand exact thermal operating windows to protect tight engine tolerances. This performance all-aluminum radiator provides critical cooling overhead, ensuring stable operating temperatures, zero warning indicators, and structural reliability on both the street and the circuit.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50593935098104,"sku":"DS-EMY0MCABR","price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-radiator-for-bmw-z3-1996-1997-1-9l-1.jpg?v=1790053752","url":"https:\/\/performancechiptuning.com\/fr\/products\/performance-radiator-for-bmw-z3-1996-1997-1-9l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}