OEM BMW Alternators

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.

12428483819 - : Cable Alternator Base B 124042 for BMW Image

Cable Alternator Base B 124042

$90.56
MSRP $108.71
Save $18.15
16.7% Off
12318634167 - : Generator Assembly for BMW Image

Generator Assembly

Without 48 volt system, new, 180 amp.
$1,034.54
MSRP $1,551.03
Save $516.49
33.3% Off
12427624617 - : Cable Altern Start Motor S 129990 for BMW Image

Cable Altern Start Motor S 129990

$90.56
MSRP $108.71
Save $18.15
16.7% Off
12428516122 - : Cable Altern Start Motor S 129990 for BMW Image

Cable Altern Start Motor S 129990

$129.69
MSRP $157.01
Save $27.32
17.4% Off
12428571250 - : Cable Altern Start Motor S 129990 for BMW Image

Cable Altern Start Motor S 129990

$231.65
MSRP $265.28
Save $33.63
12.7% Off
12427611316 - : Cable Altern Start Motor S 129990 for BMW Image

Cable Altern Start Motor S 129990

$170.17
MSRP $194.88
Save $24.71
12.7% Off
12427857551 - : Cable Altern Start Motor S 129990 for BMW Image

Cable Altern Start Motor S 129990

$90.56
MSRP $108.71
Save $18.15
16.7% Off
12427556846 - : Cable Altern Start Motor S 129990 for BMW Image

Cable Altern Start Motor S 129990

$205.77
MSRP $235.65
Save $29.88
12.7% Off
12311432978 - : Charging System Voltage Regulator for BMW Image

Charging System Voltage Regulator

90 Amp Alternator. Valeo Alternator. Z3. 2.8l. 90 amp. Z3. 2.5l. 90 amp. 2.5 & 3.0L, 90 amp, remanufactured. 528i. 90 amp. Z3. 2.8l. 80...
$885.10
MSRP $1,131.84
Save $246.74
21.8% Off
12428602973 - : Positive Cable for BMW Image

Positive Cable

Positive. X1.
$222.11
MSRP $254.36
Save $32.25
12.7% Off
51118160855 - : Alternator Air Duct for BMW Image

Alternator Air Duct

525i,528i, 530i & 540i. alternator.
$39.79
MSRP $42.44
Save $2.65
6.2% Off
12428602973 - : Positive Cable for Mini Image

Positive Cable

2.0L.
$222.11
MSRP $254.36
Save $32.25
12.7% Off

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