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BMW E46 323i M52 2.5L Engine Parts & Accessories

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ES#4772588 - 12521433916 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the crankshaft position sensor. - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the crankshaft position sensor. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772588
Mfg#:
12521433916
In Stock
ON SALE! SAVE 30%
$10.99

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

$7.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25438 - 11611432559 - Crankcase Ventilation Hose - From oil separator to valve cover - Genuine BMW - BMW

From oil separator to valve cover

Brand:
Genuine BMW - Corporate Logo
ES#:
25438
Mfg#:
11611432559
Ships in 1 day
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2803966 - 11251437077 - Piston Ring Set - Priced Each - Standard bore replacement piston rings - Rein - BMW

Standard bore replacement piston rings 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803966
Mfg#:
11251437077
Ships in 3 Business Days
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2802423 - 11341739822 - Intake Valve - Priced Each - Replacement intake valve - Rein - BMW

Replacement intake valve 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802423
Mfg#:
11341739822
Back Ordered
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#14743 - 07119905533 - Hex Bolt With Washer - M8x35mm - Secures mechanical A/C and alternator belt tensioner to bracket - Genuine BMW - BMW MINI

Secures mechanical A/C and alternator belt tensioner to bracket

Brand:
Genuine BMW - Corporate Logo
ES#:
14743
Mfg#:
07119905533
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2802811 - 11341739823 - Exhaust Valve - Priced Each - Replacement exhaust valve - Rein - BMW
ECS Tuning recommends this product.

Replacement exhaust valve 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802811
Mfg#:
11341739823
Ships on Nov 20, 2026
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3504759 - 17111436251 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Rein - 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 automatic transmission only

Brand:
Rein - Corporate Logo
ES#:
3504759
Mfg#:
17111436251
Ships in 1 Business Day
$80.99

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

$62.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2873780 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Febi - BMW

Common source of engine overheating We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873780
Mfg#:
11527505302
Ships on Feb 3, 2027
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#25478 - 11611438809 - Vacuum Hose - Attaches between intake manifold and jet pump - Genuine BMW - BMW

Attaches between intake manifold and jet pump

Brand:
Genuine BMW - Corporate Logo
ES#:
25478
Mfg#:
11611438809
Ships in 1 day
2% off MSRP

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

$95.99

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

$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#18383 - 11121743294 - Oil Cap - Includes the sealing gasket - Genuine BMW - BMW

Includes the sealing gasket

Brand:
Genuine BMW - Corporate Logo
ES#:
18383
Mfg#:
11121743294
Ships in 1 day
8% off MSRP

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

$39.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3674980 - TH6243.92J - Thermostat - 92 Degree Celcius - Vernet - 92 Degree Celcius/ 197 Degree Farenheit. - Vernet - BMW

92 Degree Celcius/ 197 Degree Farenheit.

Brand:
Vernet - Corporate Logo
ES#:
3674980
Mfg#:
TH6243.92J
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2762630 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold. Made in Germany. - Rein - BMW

Runs from the top of the oil separator up to intake manifold. Made in Germany. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 01/2000

Brand:
Rein - Corporate Logo
ES#:
2762630
Mfg#:
11617504535
Ships in 1 Business Day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4689822 - 11421744000 - Oil Filter Housing Cap - Rein OE quality oil cap - Rein - BMW

Rein OE quality oil cap 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4689822
Mfg#:
11421744000
Ships in 2 Business Days
$25.99 USD
Free Shipping
on orders $49 and up
ES#3024886 - TDR9980001 - Solid Aluminum Motor and Transmission Mount Kit - Designed for track use to eliminate deflection and driveline slop - Turner Motorsport - BMW

Designed for track use to eliminate deflection and driveline slop 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3024886
Mfg#:
TDR9980001
Ships on Mar 17, 2027
ON SALE! SAVE 25%
$241.99

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

$181.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4756556 - MB7039AM0.25 - King Performance BMW S54 Main Bearings - .25 Oversize - .25+ Oversize - King - BMW

.25+ Oversize

Brand:
King - Corporate Logo
ES#:
4756556
Mfg#:
MB7039AM0.25
Ships in 6 Business Days
13% off MSRP

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

$207.00

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

$179.99 USD
Free Shipping
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.

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