Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E46 323i M52 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 323i M52 2.5L
Your Vehicle BMW E46 323i M52 2.5L
Change Clear

BMW E46 323i M52 2.5L Engine Parts & Accessories

Sort By
Filter By
Return to Top

BMC Performance Air Filter

ES#3195193 - FB132/01 - BMC Performance Air Filter - Lifetime high-flow air filter that's a direct replacement - BMC - BMW

Lifetime high-flow air filter that's a direct replacement

Brand:
BMC - Corporate Logo
ES#:
3195193
Mfg#:
FB132/01
Back Ordered
$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed

ES#4146839 - 026732TMS01-02 - Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed - Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146839
Mfg#:
026732TMS01-02
Ships on Dec 29, 2026
ON SALE! SAVE 25%
$104.99

This product was last offered at the strikethrough price on
06-13-2026

$78.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#25779 - 11617533399 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold - Genuine BMW - BMW

Runs from the top of the oil separator up to intake manifold For use in cold climates

Brand:
Genuine BMW - Corporate Logo
ES#:
25779
Mfg#:
11617533399
In Stock
2% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
11-04-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling O-Ring - Priced Each

ES#37795 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - Genuine BMW - BMW

Fits various components in the cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
37795
Mfg#:
17111711987
In Stock at Vendor
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose

ES#2880531 - 13541703945 - Radiator Hose - Connects the heater return pipe to the throttle body - Vaico - BMW

Connects the heater return pipe to the throttle body We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2880531
Mfg#:
13541703945
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#3984620 - 17111436250 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - URO - BMW

Mounts to the side of the radiator for retaining the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
URO - Corporate Logo
ES#:
3984620
Mfg#:
17111436250
Ships in 1 Business Day
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

ES#2622939 - 22316771219 - Transmission Mount - Priced Each - Mounted at the rear of transmission on crossmember - Rein - BMW

Mounted at the rear of transmission on crossmember 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622939
Mfg#:
22316771219
Back Ordered
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flange Nut - Pack Of 10

ES#2537975 - 11617545279kt - Flange Nut - Pack Of 10 - M7 - Genuine BMW - BMW

M7

Brand:
Genuine BMW - Corporate Logo
ES#:
2537975
Mfg#:
11617545279KT
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#3499768 - 11511730554 - Water Pump Pulley - Located behind the fan blade, fan clutch bolts to this pulley - Rein - BMW

Located behind the fan blade, fan clutch bolts to this pulley 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499768
Mfg#:
11511730554
In Stock
$49.99

This product was last offered at the strikethrough price on
10-22-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#16124 - 07129905411 - Hex Nut - Priced Each - Used in the vacuum system for the turbos - Genuine BMW - BMW MINI

Used in the vacuum system for the turbos

Brand:
Genuine BMW - Corporate Logo
ES#:
16124
Mfg#:
07129905411
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Transfer Pump

ES#37412 - 16146755880 - Fuel Transfer Pump - Also know as a "jet pump" - Genuine BMW - BMW

Also know as a "jet pump"

Brand:
Genuine BMW - Corporate Logo
ES#:
37412
Mfg#:
16146755880
Ships in 3 Business Days
5% off MSRP

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

$257.99

This product was last offered at the strikethrough price on
11-04-2026

$243.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Self Tapping Screw - Pack Of 10

ES#2597429 - 17117536971KT - Self Tapping Screw - Pack Of 10 - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2597429
Mfg#:
17117536971KT
In Stock
$22.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#241175 - 07119905515 - Hex Nut - Priced Each - Used in various locations - Genuine BMW - BMW MINI

Used in various locations

Brand:
Genuine BMW - Corporate Logo
ES#:
241175
Mfg#:
07119905515
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#25157 - 11537793373 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Genuine BMW - BMW MINI

Comes with O-Ring

Brand:
Genuine BMW - Corporate Logo
ES#:
25157
Mfg#:
11537793373
In Stock
6% off MSRP

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

$17.99

This product was last offered at the strikethrough price on
11-04-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket

ES#25541 - 11611716174 - Throttle Body Gasket - Gasket used to seal the throttle body onto the intake manifold - Genuine BMW - BMW

Gasket used to seal the throttle body onto the intake manifold

Brand:
Genuine BMW - Corporate Logo
ES#:
25541
Mfg#:
11611716174
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.

$17.99

This product was last offered at the strikethrough price on
11-04-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4877316 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - URO - BMW

Monitors coolant / oil temperature 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4877316
Mfg#:
13621433076
In Stock
$10.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings