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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Engine Parts & Accessories

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Polyurethane Transmission mount Set - Street/Track

ES#2718367 - 002705ECS01 - Polyurethane Transmission mount Set - Street/Track - 80A durometer rating - perfect for aggressive enthusiast driving. Constructed of 304 stainless steel with bonded and constrained polyurethane. - ECS - BMW

80A durometer rating - perfect for aggressive enthusiast driving. Constructed of 304 stainless steel with bonded and constrained polyurethane. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2718367
Mfg#:
002705ECS01
Ships on Nov 24, 2026
ON SALE! SAVE 15%
$115.99

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

$98.59 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 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

Performance Aluminum Radiator

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

Upgrade your cooling - lifetime warranty!

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

Special Tec B FE Engine Oil (5W-30) - 1 Liter

ES#4220227 - 20442 - Special Tec B FE Engine Oil (5W-30) - 1 Liter - Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption - Liqui-Moly - BMW MINI

Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4220227
Mfg#:
20442
In Stock
45% off MSRP

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

$26.99

This product was last offered at the strikethrough price on
11-02-2026

$14.89 USD
Free Shipping
on orders $49 and up

Throttle Booster

ES#4624166 - D440-1700 - Throttle Booster - Wireless controlled unit that allows adjustable throttle response control - Dinan - BMW MINI

Wireless controlled unit that allows adjustable throttle response control Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Dinan - Corporate Logo
ES#:
4624166
Mfg#:
D440-1700
In Stock
11% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
11-02-2026

$288.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - Priced Each (12x1.5)

ES#251840 - 002201ECS02A - Magnetic Oil Drain Plug - Priced Each (12x1.5) - Featuring 10 copper washers - ECS - BMW MINI

Featuring 10 copper washers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
251840
Mfg#:
002201ECS02A
In Stock
ON SALE! SAVE 25%
$39.99

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

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

Intake Manifold Gasket Set

ES#2608158 - 11611436631 - Intake Manifold Gasket Set - Contains both gaskets needed - Elring - BMW
ECS Tuning recommends this product.

Contains both gaskets needed 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2608158
Mfg#:
11611436631
In Stock
$32.99

This product was last offered at the strikethrough price on
08-03-2026

$32.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VAC Harmonic SuperDamper By ATI - M52/S52/M52TU/M54

ES#4780772 - VAC-HPCD-M50 - VAC Harmonic SuperDamper By ATI - M52/S52/M52TU/M54 - Isolate harmonics before they can destroy your engine - VAC Motorsports - BMW

Isolate harmonics before they can destroy your engine

Brand:
VAC Motorsports - Corporate Logo
ES#:
4780772
Mfg#:
VAC-HPCD-M50
Ships in 7 Business Days
$799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Lifter - Priced Each

ES#205062 - 11321748884 - Hydraulic Lifter - Priced Each - Also commonly called cam follower - Ina - BMW
ECS Tuning recommends this product.

Also commonly called cam follower We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
205062
Mfg#:
11321748884
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4608633 - D650-0007KT - Performance Ignition Service Kit - Everything you need to service your ignition system, featuring Dinan performance ignition Coils - Dinan - BMW

Everything you need to service your ignition system, featuring Dinan performance ignition Coils Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Dinan - Corporate Logo
ES#:
4608633
Mfg#:
D650-0007KT
In Stock
$275.99

This product was last offered at the strikethrough price on
09-28-2026

$270.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - 75A Durometer (Priced Each)

ES#4335401 - 11812283798 - Engine Mount - 75A Durometer (Priced Each) - Keep your engine securely mounted with our solid, non-fluid filled mount. Also available as a pair (ES4375397) - ECS - BMW

Keep your engine securely mounted with our solid, non-fluid filled mount. Also available as a pair (ES4375397) 10X Entries Into Our F80 M3 Sweepstakes

Harder durometer mount from the M3 for improved performance.

Brand:
ECS - Corporate Logo
ES#:
4335401
Mfg#:
11812283798
In Stock
ON SALE! SAVE 20%
$98.99

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

$79.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Priced Each

ES#7573 - BKR6EQUP - Spark Plugs - Priced Each - BKR6EQUP / 3199 - NGK - Audi BMW

BKR6EQUP / 3199 We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7573
Mfg#:
BKR6EQUP
In Stock
$9.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Valve Spring Upgrade Kit

ES#4758782 - SPRKH1000DBMST - Dual Valve Spring Upgrade Kit - Eliminate valve-float at high RPMs - 80lbs Seat Pressure at 35.70mm - Featuring steel retainers - Supertech - BMW

Eliminate valve-float at high RPMs - 80lbs Seat Pressure at 35.70mm - Featuring steel retainers

Brand:
Supertech - Corporate Logo
ES#:
4758782
Mfg#:
SPRKH1000DBMST
Ships in 1 Business Day
20% off MSRP

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

$1042.99

This product was last offered at the strikethrough price on
11-02-2026

$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly Special Tec Oil Change Kit / Inspection I

ES#3424127 - m50OCIlm2KT - Liqui Moly Special Tec Oil Change Kit / Inspection I - Everything you need for a comprehensive oil service, including Liqui Moly oil and Hengst filter - Assembled By ECS - BMW

Everything you need for a comprehensive oil service, including Liqui Moly oil and Hengst filter 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3424127
Mfg#:
M50OCILM2KT
In Stock
ON SALE!
$109.99

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

$104.81 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Platinum+4 Spark Plug - Priced Each (FGR7DQP)

ES#240577 - FGR7DQP - Platinum+4 Spark Plug - Priced Each (FGR7DQP) - FGR 7 DQP or 12120037607 - Bosch - Audi BMW

FGR 7 DQP or 12120037607 We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
240577
Mfg#:
FGR7DQP
In Stock
$9.89

This product was last offered at the strikethrough price on
10-20-2026

$8.99 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.

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