What precautions should be taken when testing the charging system components and how should battery voltage be checked at the alternator on BMW X5?

Do not disconnect the battery while the engine is running, as this may cause damage to the alternator or engine electronic systems. Only use a digital multimeter when testing charging system components. With the ignition ON, check that the battery warning light illuminates. If the warning light does not come ON, repair any bulb or wiring faults before proceeding with the charging system check. To check for battery voltage at alternator terminal 30 (B+), pull back the rubber insulating cover at terminal 30 at the rear of the alternator, then connect a voltmeter between terminal 30 and ground to check for battery voltage; if voltage is absent, inspect the wiring for faults. Battery voltage can also be verified between the B+ terminal on the left cylinder head and ground. Disconnect the harness connector from the alternator, turn the ignition ON, and check for battery voltage between terminal 15 and ground; if voltage is not present, examine the wiring and fuses for faults. Reconnect the connector to the alternator and locate the blue wire from terminal 61E of the alternator connector, carefully connecting the positive test lead to the wire using a piercing test lead end. With the ignition ON, check for voltage, which should be less than 1.5 v, and the charge indicator lamp should light. After ensuring all test equipment and tools are clear, start the engine; voltage should increase to 8.0 v or higher, and the charge indicator light should go out. If voltage does not increase and the system is not charging, the fault lies within the alternator. If voltage does not increase but the system is charging, interrogate the system for faults using an appropriate BMW scan tool and reset the fault memory. If a load tester is unavailable, a quick alternator output test can be performed by running the engine at about 2000 rpm and turning on electrical loads such as fans, lights, rear window defroster, and wipers; with all accessories on, battery voltage should remain above 12.6 v.

Genuine BMW X5 Alternator

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33 Alternators found

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BMW X5 Alternator
Part Number: 12317591529
$891.38 MSRP: $1312.41
You Save: $421.03 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rp Alternator
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2013 BMW X5 | xDrive35i(E70)
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BMW X5 Alternator
Part Number: 12318634167
$1041.74 MSRP: $1551.03
You Save: $509.29 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 12-31-8-689-830, 12-31-8-654-280, 12-31-8-689-832, 12-31-8-689-831, 12-31-8-634-166
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2023 BMW X5 | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV), xDrive40i(G05)
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BMW X5 Alternator
Part Number: 12317616119
$885.92 MSRP: $1312.41
You Save: $426.49 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 12-31-7-616-121
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2018 BMW X5 | sDrive35i(F15), xDrive35i(E70), xDrive35i(F15)
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BMW X5 RP ALTERNATOR
Part Number: 12317560988
$971.50 MSRP: $1431.71
You Save: $460.21 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Replaces: 12-31-7-560-989
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2007-2010 BMW X5 | 3.0si(E70), xDrive30i(E70)
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BMW X5 Alternator
Part Number: 12318634166
$1041.74 MSRP: $1551.03
You Save: $509.29 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 12318634167
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW X5 | xDrive40i(G05)
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BMW X5 Alternator
Part Number: 12317603779
$966.67 MSRP: $1431.71
You Save: $465.04 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 12-31-7-575-344, 12-31-7-603-782, 12-31-4-595-890
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2013 BMW X5 | xDrive50i(E70)
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BMW X5 Exchange Alternator
Part Number: 12317616126
$923.37 MSRP: $1374.79
You Save: $451.42 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Exchange Generator
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2014-2018 BMW X5 | xDrive50i(F15)
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BMW X5 Exchange Alternator
Part Number: 12317560989
$971.50 MSRP: $1431.71
You Save: $460.21 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Generator; Alternator
- Replaced by: 12317560988
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2007-2010 BMW X5 | 3.0si(E70), xDrive30i(E70)
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BMW X5 Exchange Alternator
Part Number: 12317603782
$966.67 MSRP: $1431.71
You Save: $465.04 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Generator; Alternator
- Replaced by: 12317603779
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2013 BMW X5 | xDrive50i(E70)
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BMW X5 Alternator
Part Number: 12317852129
$1155.82 MSRP: $1706.14
You Save: $550.32 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: 12-31-8-053-535
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2023 BMW X5 | 8 Cyl 4.4 L GAS
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BMW X5 Exchange Alternator
Part Number: 12317591530
$798.92 MSRP: $1176.00
You Save: $377.08 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Generator; Alternator
- Replaces: 12-31-7-591-526
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2013 BMW X5 | xDrive35i(E70)
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BMW X5 Exchange Alternator
Part Number: 12317616121
$885.92 MSRP: $1312.41
You Save: $426.49 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Generator
- Replaced by: 12317616119
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2018 BMW X5 | sDrive35i(F15), xDrive35i(E70), xDrive35i(F15)
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BMW X5 Alternator
Part Number: 12318611280
$1046.82 MSRP: $1551.03
You Save: $504.21 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 12-31-8-636-418
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2023 BMW X5 | 8 Cyl 4.4 L GAS, M50i(G05), xDrive50i(G05)
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BMW X5 Exchange Alternator, Water-Cooled
Part Number: 12317508054
$1008.83 MSRP: $1172.08
You Save: $163.25 (14%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Exchange Generator, Water-Cooled; Alternator
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2000-2003 BMW X5 | 4.4i(E53), 4.6is(E53)
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BMW X5 Exchange Alternator
Part Number: 12317561004
$801.34 MSRP: $1193.10
You Save: $391.76 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Generator; Alternator
- Replaced by: 12317561003
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2007-2010 BMW X5 | 4.8i(E70), xDrive48i(E70)
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BMW X5 Exchange Alternator
Part Number: 12317804266
$817.35 MSRP: $1216.95
You Save: $399.60 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Generator; Alternator
- Replaced by: 12317801124
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2013 BMW X5 | xDrive35d(E70)
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BMW X5 Alternator
Part Number: 12317560985
$805.78 MSRP: $1193.10
You Save: $387.32 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2007-2010 BMW X5 | 3.0si(E70), xDrive30i(E70)
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BMW X5 EXCH. GENERATOR
Part Number: 12318689832
$1041.74 MSRP: $1551.03
You Save: $509.29 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 12318634167
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW X5 | xDrive40i(G05)
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BMW X5 Alternator
Part Number: 12318654280
$1041.74 MSRP: $1551.03
You Save: $509.29 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 12318634167
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW X5 | xDrive40i(G05)
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BMW X5 RP ALTERNATOR
Part Number: 12317533469
$966.67 MSRP: $1431.71
You Save: $465.04 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator
- Replaces: 12-31-7-561-002
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2007-2010 BMW X5 | 4.8i(E70), xDrive48i(E70)

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1-20 of 33 Results

BMW X5 Alternator

One among the important components in the BMW X5 is the BMW Alternator, which is precisely the built-in charger for the automobiles battery in addition in charging all the electrical parts in the Alternator during its operation. Sited anterior to the engine, the Alternator produces electricity from mechanical energy by sticking to faraday's law which creates an electromotive force that generates the AC voltage in the stator coils. This functionality is very important especially in recharging the battery as well as to ensure a efficient electrical charging of the BMW X5. Suits the early E53 X5 model, the second gen X5 models, as well the the 4th generation X5 model, Alternator ensures that all electrical components function as required to optimize and extend safety. However, the Alternator is market distinct because of the capacity to manage additional electrical loads, especially on models possessing additional components. They help to avoid cases where the charging is done either in excess or inadequately which is very essential for the proper functioning of the vehicle. Moreover, the high-output Alternators for the particular models also describe the company's innovation and quality. The BMW Alternator stands for quality as the design and implemented functions illustrate the BMW's commitment to provide solid and powerful car for driving with the BMW X5 proving to be a leader in SUV segment.

If you are looking for OEM BMW X5 Alternator, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW X5 Alternator that come backed by the manufacturer's warranty.

BMW X5 Alternator Parts Questions & Experts Answers

Exchange Alternator, Water-Cooled
12317508054
Q: What precautions should be taken when testing the charging system components and how should battery voltage be checked at the alternator on BMW X5?
A:
Do not disconnect the battery while the engine is running, as this may cause damage to the alternator or engine electronic systems. Only use a digital multimeter when testing charging system components. With the ignition ON, check that the battery warning light illuminates. If the warning light does not come ON, repair any bulb or wiring faults before proceeding with the charging system check. To check for battery voltage at alternator terminal 30 (B+), pull back the rubber insulating cover at terminal 30 at the rear of the alternator, then connect a voltmeter between terminal 30 and ground to check for battery voltage; if voltage is absent, inspect the wiring for faults. Battery voltage can also be verified between the B+ terminal on the left cylinder head and ground. Disconnect the harness connector from the alternator, turn the ignition ON, and check for battery voltage between terminal 15 and ground; if voltage is not present, examine the wiring and fuses for faults. Reconnect the connector to the alternator and locate the blue wire from terminal 61E of the alternator connector, carefully connecting the positive test lead to the wire using a piercing test lead end. With the ignition ON, check for voltage, which should be less than 1.5 v, and the charge indicator lamp should light. After ensuring all test equipment and tools are clear, start the engine; voltage should increase to 8.0 v or higher, and the charge indicator light should go out. If voltage does not increase and the system is not charging, the fault lies within the alternator. If voltage does not increase but the system is charging, interrogate the system for faults using an appropriate BMW scan tool and reset the fault memory. If a load tester is unavailable, a quick alternator output test can be performed by running the engine at about 2000 rpm and turning on electrical loads such as fans, lights, rear window defroster, and wipers; with all accessories on, battery voltage should remain above 12.6 v.

Genuine BMW X5 Alternator

33 Alternators found

BMW X5 Alternator

BMW X5 Alternator

BMW X5 Alternator

BMW X5 RP ALTERNATOR

BMW X5 Alternator

BMW X5 Alternator

BMW X5 Exchange Alternator

BMW X5 Exchange Alternator

BMW X5 Exchange Alternator

BMW X5 Alternator

BMW X5 Exchange Alternator

BMW X5 Exchange Alternator

BMW X5 Alternator

BMW X5 Exchange Alternator, Water-Cooled

BMW X5 Exchange Alternator

BMW X5 Exchange Alternator

BMW X5 Alternator

BMW X5 EXCH. GENERATOR

BMW X5 Alternator

BMW X5 RP ALTERNATOR

BMW X5 Alternator

BMW X5 Alternator Parts Questions & Experts Answers

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