OEM BMW Alternators

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            Explore BMW Alternators Built to Support Modern Electrical Systems

            From advanced driver assistance features to everyday convenience systems, BMW vehicles rely heavily on a stable electrical supply. The alternator plays a central role by generating power while the engine is running and keeping the battery charged. At BMW of Clear Lake, we offer OEM BMW alternators designed to meet factory electrical demands.

            An alternator converts mechanical energy from the engine into electrical energy used to power vehicle systems. As electrical loads increase, the alternator works continuously to maintain proper voltage. Over time, internal wear, heat, and electrical stress can affect alternator output, which is why charging system components are sometimes reviewed during service.

            BMW alternators vary by engine configuration, output rating, and mounting design. Pulley style, electrical connections, and cooling provisions are all engineered for specific vehicle applications. Selecting the correct alternator helps maintain compatibility with belts, wiring, and onboard electronics.

            OEM BMW alternators are manufactured to factory standards for fitment, voltage regulation, and durability. Using application-specific alternators helps reduce the risk of warning lights, charging issues, or premature battery wear.

            Before ordering, confirm model year, engine size, and electrical system requirements. You can explore available alternators to find options matched to your BMW.

            OEM alternators help support dependable electrical performance and predictable service outcomes.

            12317830791 - : Alternator for BMW Image

            Alternator

            New. M3. 120 amp. Z3. 3.2l. Reman.
            $1,120.88
            MSRP $1,433.35
            Save $312.47
            21.8% Off
            12317519620 - : Alternator for BMW Image

            Alternator

            120 Amp.. Oval Connector. Reman. Z4.
            $738.66
            MSRP $944.57
            Save $205.91
            21.8% Off
            12317802929 - : Alternator for BMW Image

            Alternator

            Sedan, wagon, 170 amp. 3 series. With turbo. With diesel.
            $517.78
            MSRP $737.58
            Save $219.80
            29.8% Off
            12311744567 - : Alternator for BMW Image

            Alternator

            $979.25
            MSRP $1,252.24
            Save $272.99
            21.8% Off
            12317603779 - : Alternator for BMW Image

            Alternator

            $954.95
            MSRP $1,431.71
            Save $476.76
            33.3% Off
            12317649390 - : Alternator for Mini Image

            Alternator

            Cooper Countryman. With s e all4. S e model.
            Backordered
            12311405902 - : Alternator for BMW Image

            Alternator

            Z3. 3.2l. 115 Amp.. New. Reman.
            $979.25
            MSRP $1,252.24
            Save $272.99
            21.8% Off
            12311433266 - : Alternator for BMW Image

            Alternator

            140 Amp.. Reman. 740i,740iL. 540i. 120 amp. 840Ci.
            $1,312.58
            MSRP $1,678.49
            Save $365.91
            21.8% Off
            12318571358 - : Alternator for BMW Image

            Alternator

            $1,034.54
            MSRP $1,551.03
            Save $516.49
            33.3% Off
            12315A716F0 - : Alternator for BMW Image

            Alternator

            Starter. Generator. 2025-26, 2.0L. 530i. 2.0l. 430i xDrive. 330i xDrive.
            $1,392.66
            MSRP $2,087.95
            Save $695.29
            33.3% Off
            12317515029 - : Alternator for Mini Image

            Alternator

            Cooper, Cooper S. 110 amp. Without s. 105 Amp.
            $750.17
            MSRP $959.29
            Save $209.12
            21.8% Off
            12318645329 - : Alternator for BMW Image

            Alternator

            New. 2.0L, 2014-21. 230i, 230i xDrive. 430i, 430i xDrive. 180amp. 3 series gt. 330xi. 190 amp. 330i xDrive. 190amp. 2.0L, 180 amp. 2.0L,...
            $954.95
            MSRP $1,431.71
            Save $476.76
            33.3% Off

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