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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Electrical Parts

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O-Ring, Oil Level Sensor-Priced Each

ES#240209 - 12611277129 - O-Ring, Oil Level Sensor-Priced Each - Found on your oil level sensor in the oil pan - Victor Reinz - BMW

Found on your oil level sensor in the oil pan

Brand:
Victor Reinz - Corporate Logo
ES#:
240209
Mfg#:
12611277129
Ships in 1-2 days
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Bearing

ES#4919982 - 6201-Z - Alternator Bearing - Replacement OEM alternator bearing - Schaeffler - BMW

Replacement OEM alternator bearing

Brand:
Schaeffler - Corporate Logo
ES#:
4919982
Mfg#:
6201-Z
Ships in 7 Business Days
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#31818 - 12611277129 - O-Ring - Found on your oil level sensor in the oil pan - Genuine BMW - BMW

Found on your oil level sensor in the oil pan

Brand:
Genuine BMW - Corporate Logo
ES#:
31818
Mfg#:
12611277129
Ships in 2 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axial Securing Clip - Pack Of 10

ES#2642842 - 07149158226KT - Axial Securing Clip - Pack Of 10 - Often referred to as a wave washer - 15x5.7mm - Genuine BMW - BMW

Often referred to as a wave washer - 15x5.7mm

Brand:
Genuine BMW - Corporate Logo
ES#:
2642842
Mfg#:
07149158226KT
Ships in 1 day
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Socket Contact

ES#2596522 - 61136906554 - Socket Contact - See MOQKT - Genuine BMW - BMW

See MOQKT

Brand:
Genuine BMW - Corporate Logo
ES#:
2596522
Mfg#:
61136906554
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.

$16.99

This product was last offered at the strikethrough price on
07-21-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTEK Mounting Bracket

ES#4492819 - 40-006 - CTEK Mounting Bracket - Easily mount your charger in the garage up and out of the way. - CTEK - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Easily mount your charger in the garage up and out of the way.

Brand:
CTEK - Corporate Logo
ES#:
4492819
Mfg#:
40-006
In Stock at Vendor
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Treatment Kit

ES#4430758 - mc101nocoKT - Battery Treatment Kit - Every thing you need to keep your battery terminals clean. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Every thing you need to keep your battery terminals clean.

Brand:
NOCO - Corporate Logo
ES#:
4430758
Mfg#:
MC101NOCOKT
In Stock
$9.00

This product was last offered at the strikethrough price on
05-27-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Electric Fuel Pump

ES#4879293 - NI0517606 - Electric Fuel Pump - The fuel pump is located inside of the fuel tank - URO - BMW

The fuel pump is located inside of the fuel tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For years 1991-1995

Brand:
URO - Corporate Logo
ES#:
4879293
Mfg#:
NI0517606
Ships in 1 Business Day
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Temperature Sensor

ES#2534319 - 13621284397 - Engine Temperature Sensor - 2-pin with black connector - URO - BMW Volkswagen Porsche

2-pin with black connector 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534319
Mfg#:
13621284397
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wire With Terminals For 90 Degree 6 Pin Bulkhead - Red

ES#4883019 - 201-0360-RED - Wire With Terminals For 90 Degree 6 Pin Bulkhead - Red - Purchase the wires you need for your electrical bulkhead fitting here. Featuring Red FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install! - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

Purchase the wires you need for your electrical bulkhead fitting here. Featuring Red FEP wire pre-cut to 24" 12 Gauge wire with the appropriate terminal pre-crimped and ready to install!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883019
Mfg#:
201-0360-RED
Ships in 6 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HD Precision Boost Battery Clamps - NOCO

ES#4346366 - GBC003 - HD Precision Boost Battery Clamps - NOCO - The needle nose design on these heavy-duty battery clamps ensure fitment in tight spaces for both 12-volt gas and diesel engines. - NOCO - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The needle nose design on these heavy-duty battery clamps ensure fitment in tight spaces for both 12-volt gas and diesel engines.

Brand:
NOCO - Corporate Logo
ES#:
4346366
Mfg#:
GBC003
In Stock
ON SALE!
$24.99

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

$23.61 USD
Free Shipping
on orders $49 and up

Positive Battery Terminal Cover

ES#30180 - 12421718209 - Positive Battery Terminal Cover - Plastic cover for the positive terminal on your battery - Genuine BMW - BMW

Plastic cover for the positive terminal on your battery

Brand:
Genuine BMW - Corporate Logo
ES#:
30180
Mfg#:
12421718209
Ships in 1 day
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#2873944 - 12621747281 - Coolant Temperature Sender - 2 pin - Febi - BMW

2 pin 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1992

Brand:
Febi - Corporate Logo
ES#:
2873944
Mfg#:
12621747281
Back Ordered
Auto Notify
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline Eye Terminal End - 10mm - Priced Each

ES#2839901 - EL2710MMEYE - Rennline Eye Terminal End - 10mm - Priced Each - Copper crimpable terminal ends for custom battery and kill switch installations - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Copper crimpable terminal ends for custom battery and kill switch installations

Brand:
Rennline - Corporate Logo
ES#:
2839901
Mfg#:
EL2710MMEYE
Ships in 5 Business Days
$10.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spacer - Pack Of 10

ES#2602191 - 61211350825KT - Spacer - Pack Of 10 - Keep the battery secure - Genuine BMW - BMW

Keep the battery secure For touring models only

Brand:
Genuine BMW - Corporate Logo
ES#:
2602191
Mfg#:
61211350825KT
Ships in 2 Business Days
$19.99 USD
Free Shipping
on orders $49 and up
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.

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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