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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Most Popular Parts

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Radiator

ES#3545367 - 3709 - Radiator - Standard replacement radiator - CSF - BMW

Standard replacement radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
CSF - Corporate Logo
ES#:
3545367
Mfg#:
3709
In Stock
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4338777 - 17137787039 - Coolant Expansion Tank - Includes coolant level sensor and lower securing clamp - Bavarian Autosport - BMW

Includes coolant level sensor and lower securing clamp affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338777
Mfg#:
17137787039
In Stock
ON SALE! SAVE 18%
$61.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clutch cylinder refresh kit

ES#3508262 - 21526773670KT - Clutch cylinder refresh kit - Includes master and slave cylinder, hardware and lines including the ECS Exact-Fit Stainless Steel Clutch Line! - Assembled By ECS - BMW

Includes master and slave cylinder, hardware and lines including the ECS Exact-Fit Stainless Steel Clutch Line! 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#:
3508262
Mfg#:
21526773670KT
In Stock
ON SALE!
$299.99

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

$277.04 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Magnum FORCE Pro 5R Stage 2 Air Intake System

ES#2532708 - 54-20442 - Magnum FORCE Pro 5R Stage 2 Air Intake System - Excellent sound & power - the ultimate performance intake! +6hp & +12lb/ft! - AFE - BMW

Excellent sound & power - the ultimate performance intake! +6hp & +12lb/ft! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
2532708
Mfg#:
54-20442
EO#:
D-550-38
In Stock
20% off MSRP

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

$483.99

This product was last offered at the strikethrough price on
01-28-2026

$387.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D4 ATF Automatic Transmission Fluid - 1 Quart

ES#251177 - 8352230504 - D4 ATF Automatic Transmission Fluid - 1 Quart - For use in many ZF automatic transmissions - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For use in many ZF automatic transmissions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
251177
Mfg#:
8352230504
In Stock
$18.99 USD
Free Shipping
on orders $49 and up

BMW Emblem / Roundel With Grommets - Front And Rear

ES#2817070 - 51148132375KT2 - BMW Emblem / Roundel With Grommets - Front And Rear - Tired of looking at your faded BMW badges? Replace them with the Genuine OEM Roundel, also includes roundel removal tool - Genuine BMW - BMW

Tired of looking at your faded BMW badges? Replace them with the Genuine OEM Roundel, also includes roundel removal tool affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For sedan models only

Brand:
Genuine BMW - Corporate Logo
ES#:
2817070
Mfg#:
51148132375KT2
In Stock
$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Camber Plates - Street

ES#3149846 - 192416-1J - Stage 1 Camber Plates - Street - Easily adjust front camber for the first time, with additional caster adjustment - installs in place of stock strut mounts. Perfect for daily driven stock cars! - KMAC - BMW

Easily adjust front camber for the first time, with additional caster adjustment - installs in place of stock strut mounts. Perfect for daily driven stock cars! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
KMAC - Corporate Logo
ES#:
3149846
Mfg#:
192416-1J
Ships on Jul 6, 2026
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$380.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum BMW Jack Pad Adapter

ES#251251 - ECS10721 - Aluminum BMW Jack Pad Adapter - Convert your factory pads into a jack pad that you can use on your home car jack. Made in the USA. - ECS - BMW

Convert your factory pads into a jack pad that you can use on your home car jack. Made in the USA. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
251251
Mfg#:
ECS10721
In Stock
ON SALE! SAVE 25%
$61.99

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

$46.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Front & Rear Sway Bar Kit

ES#2831192 - 007277ecs01KT - ECS Tuning Front & Rear Sway Bar Kit - Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Includes matched front (27mm) and rear (21mm) sway bars with self-lubricating polyurethane bushings. - ECS - BMW

Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Includes matched front (27mm) and rear (21mm) sway bars with self-lubricating polyurethane bushings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2831192
Mfg#:
007277ECS01KT
In Stock
ON SALE! SAVE 13%
$545.89

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

$476.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2764251 - MMRADE3692 - Performance Aluminum Radiator - Upgrade your cooling - lifetime warranty! - Mishimoto - BMW

Upgrade your cooling - lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764251
Mfg#:
MMRADE3692
In Stock
$360.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#240368 - 11781742050 - 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#:
240368
Mfg#:
11781742050
In Stock
$96.10

This product was last offered at the strikethrough price on
05-29-2026

$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Brake Rotor Set Screw - M8x1.25x14mm - Priced Each

ES#2162802 - 6-ECS-001 - Stainless Brake Rotor Set Screw - M8x1.25x14mm - Priced Each - Made from stainless steel so it will not seize into the hub - ECS - BMW MINI

Made from stainless steel so it will not seize into the hub affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2162802
Mfg#:
6-ECS-001
In Stock
ON SALE! SAVE 25%
$6.99

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

$5.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M Valve stem caps

ES#3251083 - 36122456427 - M Valve stem caps - A set of black caps featuring the ///M logo - Genuine BMW - BMW

A set of black caps featuring the ///M logo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3251083
Mfg#:
36122456427
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rear Camber Arm Kit

ES#3438303 - AK-034 - Performance Rear Camber Arm Kit - Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of -1.00 to +3.00 Degrees. - GODSPEED - BMW

Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of -1.00 to +3.00 Degrees. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
GODSPEED - Corporate Logo
ES#:
3438303
Mfg#:
AK-034
Ships in 5 Business Days
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APEX M12x1.5mm BMW 5 Lug Stud Kit - Black Finish - Hex Head

ES#4234900 - APEXM12STDKIT5HX - APEX M12x1.5mm BMW 5 Lug Stud Kit - Black Finish - Hex Head - 75mm Hex head studs - APEX Wheels - BMW

75mm Hex head studs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
4234900
Mfg#:
APEXM12STDKIT5HX
Ships in 3 Business Days
$160.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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