{"product_id":"high-output-alternator-for-bmw-6-series-1985-1989-3-5l","title":"High Output Alternator for BMW 6 Series (1985-1989) 3.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp 145A Alternator for 1985-1989 BMW 6 Series (E24)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The High Output Alternator replaces the low-output factory charging unit on the 1985-1989 BMW 6 Series to stabilize operating voltage and supply up to 145 amps for demanding onboard electronics.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock BMW 6 Series Charging Deficit\u003c\/h3\u003e\n\u003cp\u003eThe original factory Bosch alternator on the \u003cstrong\u003eE24\u003c\/strong\u003e chassis delivers an inadequate 65 to 80 amps, struggling to maintain electrical equilibrium under modern operating demands. Heat soak within the engine bay accelerates thermal breakdown in the factory diode trio and internal voltage regulator. This thermal fatigue causes low voltage at idle, instrument cluster dimming, sluggish window regulator operation, and compromised ignition dwell on the \u003cstrong\u003eM30\u003c\/strong\u003e powerplant when running auxiliary accessories or electric cooling fans.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a direct bolt-in upgrade using the \u003cstrong\u003eAL49X\u003c\/strong\u003e platform footprint, this unit increases output to a potent 145 amps. It incorporates heavy-gauge copper stator windings, an upgraded heavy-duty rectifier with avalanche diodes, and a solid-state internal regulator to ensure ripple-free DC power from idle to high RPM. The unit includes an external cooling fan and single V-belt pulley, matching factory belt alignment and mounting lugs on the \u003cstrong\u003eE24\u003c\/strong\u003e engine block without requiring bracket modifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 High Output 145-Amp Alternator with V-Belt Pulley and Internal Regulator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100% style=\" border-collapse: collapse border: solid font-size: min-width:\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;\"\u003e1985-1989 BMW 6 Series\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;\"\u003eM30B34, M30B35 \/ E24\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;\"\u003e182-208 hp \/ 214-225 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;\"\u003e1-1270-01BO, 14813R, 14813N, 12-31-1-711-203, 12-31-1-713-449, 12-31-1-713-450, 12-31-1-714-219, 12-31-1-714-220, 12-31-1-726-602, 12-31-1-726-603, 12-31-1-726-604, 14813, 0 120 469 777, 0 120 469 778, 0 120 469 779, AL49X, 0 986 034 170, 0 986 035 820, 0 986 603 051\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1985-1989 BMW 635CSi 3.5L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the E24 6 Series?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1985-1989 BMW 6 Series equipped with the \u003cstrong\u003eM30\u003c\/strong\u003e 3.5L engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my vehicle wiring?\u003c\/h4\u003e\n\u003cp\u003eInstalling a dedicated 4-gauge B+ charge wire and upgraded ground strap is recommended to handle peak current and prevent voltage drop across the factory harness.\u003c\/p\u003e\n\n\u003ch3\u003eThe BMW Precision Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to meet exacting German electrical tolerances, this alternator protects sensitive Motronic digital engine management hardware by delivering flat, steady voltage under the heaviest electrical loads.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67621502779640,"sku":"DS-EK6KSW0KW","price":472.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-bmw-6-series-1985-1989-3-5l-1.jpg?v=1791662657","url":"https:\/\/performancechiptuning.com\/de\/products\/high-output-alternator-for-bmw-6-series-1985-1989-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}