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BMW Engine Electrical Parts

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Alternator - 90 Amp (Compact)

ES#4690100 - 12317501687 - Alternator - 90 Amp (Compact) - No core charge required! - Vaico Q+ - BMW

No core charge required! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vaico Q+ - Corporate Logo
ES#:
4690100
Mfg#:
12317501687
Special Order: No Guaranteed ETA
$329.99 USD
Free Shipping
on orders $49 and up

Knock Sensor

ES#3031879 - 12141734580 - Knock Sensor - A failed knock sensor can cause major performance issues - Bosch - BMW

A failed knock sensor can cause major performance issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3031879
Mfg#:
12141734580
In Stock
Limited Qty Sale
$77.99

This product was last offered at the strikethrough price on
05-02-2026

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accelerator Cable

ES#63778 - 35411162972 - Accelerator Cable - Replace stretched or worn cables to restore proper throttle feel - Genuine BMW - BMW

Replace stretched or worn cables to restore proper throttle feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
63778
Mfg#:
35411162972
In Stock
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$67.99

This product was last offered at the strikethrough price on
06-18-2026

$65.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 Secondary Air Line

ES#26627 - 11721406708 - E39 M5 Secondary Air Line - Connects left and right cylinder banks to the secondary air pump - Genuine BMW - BMW

Connects left and right cylinder banks to the secondary air pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26627
Mfg#:
11721406708
Ships in 8 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$337.99

This product was last offered at the strikethrough price on
06-18-2026

$328.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#31831 - 12611406609 - Oil Level Sensor - Includes sealing o-ring - Genuine BMW - BMW

Includes sealing o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1997

Brand:
Genuine BMW - Corporate Logo
ES#:
31831
Mfg#:
12611406609
Ships in 1 day
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$349.99

This product was last offered at the strikethrough price on
06-18-2026

$327.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Lever Sensor

ES#31858 - 12617508002 - Oil Lever Sensor - Used to measure the amount of oil in the pan - Genuine BMW - BMW

Used to measure the amount of oil in the pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 1998 model year

Brand:
Genuine BMW - Corporate Logo
ES#:
31858
Mfg#:
12617508002
Ships in 4 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$349.99

This product was last offered at the strikethrough price on
06-18-2026

$327.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Re-manufactured Starter Motor - Priced Each

ES#4007243 - 124123547095KT - Re-manufactured Starter Motor - Priced Each - Price Included a $60.00 Core Charge - Bosch - BMW

Price Included a $60.00 Core Charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4007243
Mfg#:
124123547095KT
Back Ordered
$346.99

This product was last offered at the strikethrough price on
04-09-2026

$327.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Control Unit

ES#169357 - 61359137055 - Genuine BMW Control Unit - Vital part of your BMW's control system - Genuine BMW - BMW

Vital part of your BMW's control system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169357
Mfg#:
61359137055
Ships in 5 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$337.99

This product was last offered at the strikethrough price on
06-18-2026

$326.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter Mounting Hardware

ES#3147518 - 12410392577 - Starter Mounting Hardware - Replace hardware after removing starter - Bremmen Parts - BMW

Replace hardware after removing starter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3147518
Mfg#:
12410392577
In Stock
ON SALE! SAVE 23%
$16.99

This product was last offered at the strikethrough price on
05-02-2026

$13.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ground strap

ES#30287 - 12423420477 - Ground strap - used to create a ground for your starter - Genuine BMW - BMW

used to create a ground for your starter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30287
Mfg#:
12423420477
Ships in 1 day
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$66.99

This product was last offered at the strikethrough price on
06-18-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#4762528 - 12615A740A3 - Oil Level Sensor - Monitors your oil level and oil condition - failed sensors can result in incorrect oil level and quality warning messages - Genuine BMW - BMW

Monitors your oil level and oil condition - failed sensors can result in incorrect oil level and quality warning messages affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with the later B46D engine only - will not fit the early B46A engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4762528
Mfg#:
12615A740A3
Ships in 1 day
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$358.99

This product was last offered at the strikethrough price on
06-18-2026

$323.99 USD
Free Shipping
on orders $49 and up

Alternator - 170A

Replacement Alternator from Valeo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
4068941
Mfg#:
12317802929
Ships on Jul 7, 2026
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120amp

ES#2167421 - 12317501599 - Alternator - 120amp - Brand new unit with no core charge. - Valeo - BMW

Brand new unit with no core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2167421
Mfg#:
12317501599
Back Ordered
Auto Notify
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuse Replacement Kit

ES#4389073 - E30FuseKit - Fuse Replacement Kit - Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses. - Race German - BMW

Complete set of fuses from OE BMW supplier for direct replacement of blown or mismatched fuses. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4389073
Mfg#:
E30FUSEKIT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Socket Housing - Priced Each

ES#31647 - 12527516864 - Socket Housing - Priced Each - Electrical socket housing - Genuine BMW - BMW

Electrical socket housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31647
Mfg#:
12527516864
In Stock
ON SALE!
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Eccentric Shaft Sensor - Priced Each

ES#2749039 - 11377527017 - Eccentric Shaft Sensor - Priced Each - Two required per vehicle, replaceable individually - Continental - BMW

Two required per vehicle, replaceable individually affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2749039
Mfg#:
11377527017
In Stock
$323.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Electrical Parts

With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.

Other BMW Engine Electrical Parts

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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