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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Service & Maintenance Parts

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Fuel Filter

ES#3674517 - 13321268231 - Fuel Filter - Keep your fuel system clean and debris free - Mahle - BMW

Keep your fuel system clean and debris free

Brand:
Mahle - Corporate Logo
ES#:
3674517
Mfg#:
13321268231
Ships in 2 Business Days
$38.38 USD
Free Shipping
on orders $49 and up

Universal Oil Drain Splash Shield

ES#4698883 - 83305A7B9D3 - Universal Oil Drain Splash Shield - Prevents oil spills and splashes during oil drain plug removal - Genuine BMW - BMW

Prevents oil spills and splashes during oil drain plug removal Only models using circular under body access

Brand:
Genuine BMW - Corporate Logo
ES#:
4698883
Mfg#:
83305A7B9D3
Ships in 8 Business Days
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#2568340 - 13321270038 - Fuel Filter - Keep your fuel system clean and debris free - Mann - BMW

Keep your fuel system clean and debris free

Brand:
Mann - Corporate Logo
ES#:
2568340
Mfg#:
13321270038
Ships in 10 Business Days
$20.99 USD
Free Shipping
on orders $49 and up

Gasoline Engine Treatment - 6-9 Quart Capacity

ES#3619899 - G8RVS - Gasoline Engine Treatment - 6-9 Quart Capacity - A triboceramic treatment to restore and protect metal surfaces inside the engine - RVS Technology - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A triboceramic treatment to restore and protect metal surfaces inside the engine

Brand:
RVS Technology - Corporate Logo
ES#:
3619899
Mfg#:
G8RVS
Ships in 3 Business Days
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body & Air-Intake Cleaner

ES#3969931 - 5078tbcKT - Throttle Body & Air-Intake Cleaner - Improve response and mpgs! - CRC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Improve response and mpgs! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
CRC
ES#:
3969931
Mfg#:
5078TBCKT
Ships in 6 Business Days
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Engine Oil (20w-50) - 1 Quart

ES#2602162 - 12504 - Engine Oil (20w-50) - 1 Quart - A fully synthetic ester formula that offers excellent wear protection while improving fuel economy - Redline - BMW

A fully synthetic ester formula that offers excellent wear protection while improving fuel economy

Brand:
Redline - Corporate Logo
ES#:
2602162
Mfg#:
12504
In Stock
$18.99 USD
Free Shipping
on orders $49 and up

THINKDIAG (include 1 Free Software)

ES#4376510 - 301180767 - THINKDIAG (include 1 Free Software) - ThinkDiag is prefect to use with the unique THINKCAR app. Easy and convenient, anytime and anywhere. - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

ThinkDiag is prefect to use with the unique THINKCAR app. Easy and convenient, anytime and anywhere.

Brand:
THINKCAR - Corporate Logo
ES#:
4376510
Mfg#:
301180767
Ships in 2 Business Days
ON SALE! SAVE 32%
$101.99

This product was last offered at the strikethrough price on
08-23-2026

$69.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Remote Starter Switch

ES#2840947 - 010611SCH01A - Schwaben Remote Starter Switch - No assistant needed, crank the engine from outside of the car - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

No assistant needed, crank the engine from outside of the car 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2840947
Mfg#:
010611SCH01A
Ships on Mar 4, 2027
ON SALE!
$41.99

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

$40.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Conditioning Accessory Belt

ES#258643 - 64521706826 - Air Conditioning Accessory Belt - Belt that drives your air conditioning. 12.5x810mm - Continental - BMW

Belt that drives your air conditioning. 12.5x810mm We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
258643
Mfg#:
64521706826
Ships on Sep 29, 2026
$9.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purple Ice - 12oz

ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 3 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

PNP Ethanol Sensor Harness For Motiv Re|Flex Plus

ES#4882977 - 201-0410 - PNP Ethanol Sensor Harness For Motiv Re|Flex Plus - This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+. - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz

This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882977
Mfg#:
201-0410
Ships in 9 Business Days
$49.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Storage Bag

ES#4212546 - 83292458654 - Oil Storage Bag - Be ready in an pinch with oil in your OEM BMW oil storage bag - Genuine BMW - BMW

Be ready in an pinch with oil in your OEM BMW oil storage bag

Brand:
Genuine BMW - Corporate Logo
ES#:
4212546
Mfg#:
83292458654
In Stock
$6.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THINKOBD 100

ES#4376517 - 301050512 - THINKOBD 100 - This THINKOBD 100 obd2 car code reader can fast scan and clear trouble codes, even a beginner can use this unit to read the error code. - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This THINKOBD 100 obd2 car code reader can fast scan and clear trouble codes, even a beginner can use this unit to read the error code.

Brand:
THINKCAR - Corporate Logo
ES#:
4376517
Mfg#:
301050512
Ships in 1 day
14% off MSRP

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

$34.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MoS2 Antifriction Engine Oil (20w-50) - 1 Liter

ES#4305242 - 22070 - MoS2 Antifriction Engine Oil (20w-50) - 1 Liter - Suited for older generation air and watercooled gasoline solid lifter engines, with or without turbochargers - Liqui-Moly - BMW Porsche

Suited for older generation air and watercooled gasoline solid lifter engines, with or without turbochargers 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4305242
Mfg#:
22070
In Stock
31% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
07-31-2026

$11.09 USD
Free Shipping
on orders $49 and up

Genuine BMW Inspection I/Oil Change Kit

ES#258436 - M20IN1 - Genuine BMW Inspection I/Oil Change Kit - Everything you'll need to do a complete oil change with genuine BMW synthetic oil - Assembled By ECS - BMW

Everything you'll need to do a complete oil change with genuine BMW synthetic oil 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
258436
Mfg#:
M20IN1
In Stock
ON SALE!
$98.99

This product was last offered at the strikethrough price on
08-31-2026

$95.86 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

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Manufacturer names and/or part numbers are used only for identification purposes.

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