What should be done if the alternator is suspected to be faulty on BMW Z4?

When if the alternator is believed to be questionable it should be removed from the automobile and brought to a motor-car electrician for testing. Majority of car electricians have brushes that they can sell and replace at an affordable price. However, find out how much it would cost to repair such before you make any step because it could be more economical to have a new or change over part instead.

Genuine BMW Z4 Alternator

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13 Alternators found

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BMW Z4 Alternator
Part Number: 12318634167
$972.44 MSRP: $1434.10
You Save: $461.66 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: 12-31-8-654-280, 12-31-8-689-832, 12-31-8-634-166, 12-31-8-689-830, 12-31-8-689-831
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW Z4 | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS
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BMW Z4 Exchange Alternator
Part Number: 12317605479
$700.96 MSRP: $1120.96
You Save: $420.00 (38%)
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:
- 2012-2016 BMW Z4 | sDrive28i(E89)
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BMW Z4 Alternator
Part Number: 12317605478
$697.29 MSRP: $1024.43
You Save: $327.14 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2012-2016 BMW Z4 | sDrive28i(E89)
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BMW Z4 Exchange Alternator
Part Number: 12317519620
$427.80 MSRP: $527.00
You Save: $99.20 (19%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Exchange Compact Generator; Alternator
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2005 BMW Z4 | 2.5i(E85), 3.0i(E85)
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BMW Z4 Exchange Alternator
Part Number: 12317543083
$489.79 MSRP: $699.12
You Save: $209.33 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Exchange Generator; Alternator
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006-2008 BMW Z4 | Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85)
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BMW Z4 Rmfd Generator
Part Number: 12318689831
$972.44 MSRP: $1434.10
You Save: $461.66 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Replaced by: 12318634167
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2020 BMW Z4 | M40i(G29), sDrive30i(G29)
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BMW Z4 EXCH. GENERATOR
Part Number: 12318689830
$972.44 MSRP: $1434.10
You Save: $461.66 (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 Z4 | M40i(G29), sDrive30i(G29)
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BMW Z4 EXCH. GENERATOR
Part Number: 12318689832
$972.44 MSRP: $1434.10
You Save: $461.66 (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 Z4 | M40i(G29), sDrive30i(G29)
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BMW Z4 Alternator
Part Number: 12317552815
$713.12 MSRP: $1048.00
You Save: $334.88 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rp Alternator
- Replaces: 12-31-7-552-816
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2011 BMW Z4 | sDrive30i(E89)
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BMW Z4 Exchange Alternator
Part Number: 12317552816
$713.12 MSRP: $1048.00
You Save: $334.88 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Generator
- Replaced by: 12317552815
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2011 BMW Z4 | sDrive30i(E89)
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BMW Z4 ALTERNATOR
Part Number: 12317558167
$713.12 MSRP: $1048.00
You Save: $334.88 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 12-31-7-558-218
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2016 BMW Z4 | sDrive35i(E89), sDrive35is(E89)
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BMW Z4 Exchange Alternator
Part Number: 12317558218
$713.12 MSRP: $1048.00
You Save: $334.88 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Generator; Alternator
- Replaced by: 12317558167
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2016 BMW Z4 | sDrive35i(E89), sDrive35is(E89)
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BMW Z4 Alternator
Part Number: 12317605061
Product Specifications
- Replaces: 12-31-7-605-479, 12-31-7-605-478
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2012-2016 BMW Z4 | sDrive28i(E89)

BMW Z4 Alternator

If you are looking for OEM BMW Z4 Alternator, we highly recommend to shop with us. Not only do we offer the most budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW Z4 Alternator that come backed by the manufacturer's warranty.

BMW Z4 Alternator Parts Questions & Experts Answers

Exchange Alternator
12317519620
Q: What should be done if the alternator is suspected to be faulty on BMW Z4?
A: When if the alternator is believed to be questionable it should be removed from the automobile and brought to a motor-car electrician for testing. Majority of car electricians have brushes that they can sell and replace at an affordable price. However, find out how much it would cost to repair such before you make any step because it could be more economical to have a new or change over part instead.