Orders Typically Ship in 2-4 Business Days Depending on Inventory. Due to Global Shortages, Some Parts Are On Backorder.

OEM BMW Alternators

12311711375 - : Alternator for BMW Image

Alternator

325 series, with 80amp. 90 Amp.. Reman. 318i & 318is, with 80amp. To 11/1985. 80 Amp..
$995.69
MSRP $1,275.49
Save $279.80
21.9% Off
View Details
12312287828 - : Alternator for BMW Image

Alternator

Reman. New. From 01/1986. 90-95 Amp.
$771.18
MSRP $987.88
Save $216.70
21.9% Off
View Details
12318571357 - : Alternator for BMW Image

Alternator

$794.42
MSRP $1,193.10
Save $398.68
33.4% Off
View Details
12311744565 - : Alternator for BMW Image

Alternator

Auto trans. M3. 80 amp. 328i, ci. 80 amp. 325. 80 amp. 525i, 80 amp. 80 amp, 3.0L, remanufactured. 80 amp, 2.8 & 3.2L, remanufactured....
$883.56
MSRP $1,131.84
Save $248.28
21.9% Off
View Details
12357593818 - : Alternator for BMW Image

Alternator

4.4L. 750i, 750Li.
$4,976.92
MSRP $6,193.29
Save $1,216.37
19.6% Off
View Details
12317605061 - : Alternator for BMW Image

Alternator

$807.95
MSRP $1,213.43
Save $405.48
33.4% Off
View Details
12311407440 - : Alternator for BMW Image

Alternator

M5. 120 Amp.. New.
$1,708.86
MSRP $2,189.04
Save $480.18
21.9% Off
View Details
12317591529 - : Alternator for BMW Image

Alternator

3.0L, to 03/2012. New. 215 Amp..
$873.86
MSRP $1,312.41
Save $438.55
33.4% Off
View Details
12311735403 - : Alternator for BMW Image

Alternator

105 amp, auto trans, remanufactured. 90 amp manual trans, remanufactured. 325. 105 amp. 325. 90 amp.
$973.75
MSRP $1,247.37
Save $273.62
21.9% Off
View Details
12317540993 - : Alternator for BMW Image

Alternator

New. X5. 4.4l. X5. 4.8l. 4.4, 4.6 & 4.8L, factory. Reman.
$754.70
MSRP $1,133.45
Save $378.75
33.4% Off
View Details
12317603778 - : Alternator for BMW Image

Alternator

230 Amp.. Reman. X6. Xdrive35i. 740i. 3.0L turbo, to 3/12.
$953.29
MSRP $1,431.71
Save $478.42
33.4% Off
View Details
12318570672 - : Alternator for BMW Image

Alternator

535d, 535dxi. 3.0L turbo diesel. 740ldxi.
$953.29
MSRP $1,431.71
Save $478.42
33.4% Off
View Details

No results found for "alternator". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


How Alternators Keep Your BMW Powered

The alternator plays a central role in keeping a BMW running smoothly by converting mechanical energy into electrical power. It charges the battery and supplies electricity to systems like infotainment, climate controls, and safety features. When an alternator begins to wear out, you may notice dim lights, warning indicators, or slow starts.

Why Using OEM Alternator Parts Matters

OEM alternators are built to meet BMW’s exact electrical specifications, which helps protect sensitive electronics. This is especially important on performance-focused models like the BMW 340i, where advanced driver assistance and engine management systems rely on stable voltage. Inferior aftermarket units can cause charging issues over time.

Easy Steps to Inspect and Replace an Alternator

1. Check Battery Health

Test the battery first to rule out a weak charge before blaming the alternator.

2. Inspect the Alternator Connections

Look for loose wiring or corrosion around the alternator terminals.

3. Listen for Unusual Noises

Grinding or whining sounds may indicate internal bearing wear.

4. Test Charging Output

Use a multimeter to confirm proper voltage while the engine is running.

5. Replace with OEM Parts

Pairing a new alternator with related components like OEM starters helps maintain reliable starting and charging performance.

Order OEM Alternators from BMW OEM Parts Online

Keep your electrical system dependable by choosing genuine BMW components. For expert assistance or to place an order, contact our team at BMW OEM Parts Online today.