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BMW E46 323i M52 2.5L Engine Service & Maintenance Parts

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ES#3697634 - 003675ECS03-02 - Universal High Flow Performance Air Filter - Dry (2.5" inlet) - High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD - ECS - Audi BMW Volkswagen

High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3697634
Mfg#:
003675ECS03-02
In Stock
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1897107 - 15304 - Engine Oil (5w-30) - 1 Quart - A fully synthetic ester formula that offers excellent wear protection while improving fuel economy - Redline - Audi BMW Volkswagen MINI

A fully synthetic ester formula that offers excellent wear protection while improving fuel economy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
1897107
Mfg#:
15304
In Stock
$18.20 USD
Free Shipping
on orders $49 and up
ES#3617897 - KDT164 - Combination Feeler Gauge/Spark Plug Gapping Tool - Measure and correctly adjust the gap of your spark plugs - Gear Wrench - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Measure and correctly adjust the gap of your spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gear Wrench - Corporate Logo
ES#:
3617897
Mfg#:
KDT164
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2847840 - 12304 - Euro-Series Motor Oil (5w-30) - 1 quart - Superior engine protection for today's gasoline and diesel engines - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Superior engine protection for today's gasoline and diesel engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
2847840
Mfg#:
12304
In Stock
$18.20 USD
Free Shipping
on orders $49 and up
ES#2748752 - 006212SCH01A - Universal 3-Jaw Adjustable Oil Filter Wrench - Use on to remove spin-on type filters from 2-1/2" to 3-3/4" (63.5-95mm). 3/8" square drive works with 3/8" ratchet or extension. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Use on to remove spin-on type filters from 2-1/2" to 3-3/4" (63.5-95mm). 3/8" square drive works with 3/8" ratchet or extension. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2748752
Mfg#:
006212SCH01A
Ships on Aug 28, 2026
Auto Notify
ON SALE! SAVE 25%
$26.99

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

$20.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#252546 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 Required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
252546
Mfg#:
11781433940
In Stock at Vendor
Auto Notify
$147.99

This product was last offered at the strikethrough price on
06-12-2026

$123.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2497298 - 17119071518KT - ECS Cooling System Refresh Kit - Level 3 - The  ultimate kit to cover all the necessary components - featuring OEM contents - Genuine BMW - BMW

The <font color='red'> ultimate</font> kit to cover all the necessary components - featuring OEM contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only and production date from 10/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2497298
Mfg#:
17119071518KT
Ships in 4 Business Days
$2306.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#4883025 - 101-0257 - Replacement Fuel Filter Element - Single Open 6 Micron - Filter for Inline Fuel Filter AN8 Single In/Out unit - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Filter for Inline Fuel Filter AN8 Single In/Out unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883025
Mfg#:
101-0257
In Stock
$52.99

This product was last offered at the strikethrough price on
01-22-2026

$49.99 USD
Free Shipping
on orders $49 and up
ES#4870454 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - URO - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4870454
Mfg#:
11781742050
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2063862 - ECSE461711-5 - ECS Cooling System Refresh Kit - Level 2 - A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring aftermarket contents - Assembled By ECS - BMW

A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring aftermarket contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063862
Mfg#:
ECSE461711-5
Ships on Jun 29, 2026
Auto Notify
ON SALE!
$474.99

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

$455.92 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3469564 - UVFLASHLIGHT - UV / LED Flashlight - Check for leaks when used with Molygen oil! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Check for leaks when used with Molygen oil! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3469564
Mfg#:
UVFLASHLIGHT
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
ES#4745354 - AGA-COFK - Universal Clean Oil Funnel Kit - A universal clean oil funnel kit that will prevent leaks and spills while servicing your oil. - AGA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A universal clean oil funnel kit that will prevent leaks and spills while servicing your oil. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AGA Tools - Corporate Logo
ES#:
4745354
Mfg#:
AGA-COFK
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
ES#2847830 - 11605 - Engine Oil (5w-50) - 1 Gallon - Popular for performance engines in high-temperature climates - Redline - BMW Mercedes Benz MINI Porsche

Popular for performance engines in high-temperature climates affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
2847830
Mfg#:
11605
Back Ordered
Auto Notify
$69.99 USD
Free Shipping
on orders $49 and up
ES#608 - PEN 5W40 SYNTH -  Pento High Performance II Engine Oil (5w-40) - 1 Liter - The latest version of one of the world's best all around synthetic engine oils - Pentosin - Audi BMW Volkswagen Mercedes Benz Porsche

The latest version of one of the world's best all around synthetic engine oils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
608
Mfg#:
PEN 5W40 SYNTH
In Stock
$14.99

This product was last offered at the strikethrough price on
02-26-2026

$13.99 USD
Free Shipping
on orders $49 and up
ES#2063865 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents and ECS aluminum pulley - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring aftermarket contents and ECS aluminum pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063865
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$438.99

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

$422.51 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4830634 - PH0NEBORESCOPE - Borescope Inspection Camera For Phone - Get a borescope to see the problem yourself without tearing apart your car for the wrong problem. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Get a borescope to see the problem yourself without tearing apart your car for the wrong problem. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
4830634
Mfg#:
PH0NEBORESCOPE
In Stock
ON SALE!
$58.99

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

$57.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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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