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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Engine Parts & Accessories

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Spark Plug Boot - Priced Each

ES#10595 - 12139067831 - Spark Plug Boot - Priced Each - Connects coil pack to spark plug on Bremi ignition coils - Bremi - BMW

Connects coil pack to spark plug on Bremi ignition coils

Brand:
Bremi - Corporate Logo
ES#:
10595
Mfg#:
12139067831
Ships in 3 Business Days
$10.99

This product was last offered at the strikethrough price on
04-03-2026

$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 120amp

ES#2539391 - 12317501599 - Alternator - 120amp - Brand new unit with no core charge. - Bosch - BMW

Brand new unit with no core charge. We Price Match - Give Us A Call or Chat!
For vehicles that came with a 120A Valeo alternator

Brand:
Bosch - Corporate Logo
ES#:
2539391
Mfg#:
12317501599
Ships in 1 Business Day
$526.99

This product was last offered at the strikethrough price on
05-07-2026

$511.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner

ES#2576041 - 11311738700 - Upper Timing Chain Tensioner - Guide used to tension the timing chain - Febi - BMW
ECS Tuning recommends this product.

Guide used to tension the timing chain We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2576041
Mfg#:
11311738700
Ships in 1 Business Day
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Alternator/Water Pump/Power Steering Belt

ES#2678566 - 11287636379 - Accessory Belt - Alternator/Water Pump/Power Steering Belt - Drives critical components - Genuine BMW - BMW

Drives critical components

Brand:
Genuine BMW - Corporate Logo
ES#:
2678566
Mfg#:
11287636379
Ships in 1-2 days
9% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
08-27-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772590 - 12521427615 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
In Stock
ON SALE! SAVE 25%
$7.99

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Timing Chain Guide Rail

ES#2083353 - 11311726480 - Lower Timing Chain Guide Rail - Replacement guide rail for required maintenance - Febi - BMW

Replacement guide rail for required maintenance We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2083353
Mfg#:
11311726480
Ships on Oct 6, 2026
Auto Notify
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Hose

ES#4809974 - 13537563456 - Fuel Hose - 8x13mm - URO - BMW

8x13mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4809974
Mfg#:
13537563456
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Wiring Harness

ES#30883 - 12517513554 - Engine Wiring Harness - Connects the ECU to various engine components - Genuine BMW - BMW

Connects the ECU to various engine components For vehicles with production date up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
30883
Mfg#:
12517513554
Ships in 1-2 days
3% off MSRP

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

$517.99

This product was last offered at the strikethrough price on
08-27-2026

$504.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Engine Wiring Harness

ES#30926 - 12517528594 - E46 Engine Wiring Harness - Complete engine wiring harness - Genuine BMW - BMW

Complete engine wiring harness

Brand:
Genuine BMW - Corporate Logo
ES#:
30926
Mfg#:
12517528594
Ships in 7 Business Days
3% off MSRP

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

$517.99

This product was last offered at the strikethrough price on
08-27-2026

$504.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pipe

ES#4017792 - 11537502525PRM - Aluminum Water Pipe - Connects return hose to engine block - URO Premium - BMW

Connects return hose to engine block 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4017792
Mfg#:
11537502525PRM
In Stock
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Timing Chain

ES#4920327 - ZC0255 - Engine Timing Chain - Ensure your BMW maintains its factory performance and reliability. - Ina - BMW

Ensure your BMW maintains its factory performance and reliability.

Brand:
Ina - Corporate Logo
ES#:
4920327
Mfg#:
ZC0255
Ships in 2 Business Days
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Boot - Priced Each

ES#2576065 - 12131740477 - Spark Plug Boot - Priced Each - Attaches to ignition coil and covers the spark plug on Bosch ignition coils - Bosch - BMW

Attaches to ignition coil and covers the spark plug on Bosch ignition coils We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2576065
Mfg#:
12131740477
In Stock at Vendor
$22.99

This product was last offered at the strikethrough price on
05-19-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 2

ES#2825779 - 17117573781OEKT1 - Expansion Tank Replacement Kit - Level 2 - More advanced expansion tank replacement kit - Genuine BMW - BMW

More advanced expansion tank replacement kit

Brand:
Genuine BMW - Corporate Logo
ES#:
2825779
Mfg#:
17117573781OEKT1
Ships in 1-2 days
$589.99

This product was last offered at the strikethrough price on
07-10-2026

$499.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Mounting Plate

ES#3504760 - 17111436250 - 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!

Brand:
Rein - Corporate Logo
ES#:
3504760
Mfg#:
17111436250
In Stock
$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Fuel Line

ES#36766 - 16126752186 - E46 Fuel Line - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
36766
Mfg#:
16126752186
Ships in 1-2 days
2% off MSRP

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

$62.99

This product was last offered at the strikethrough price on
08-27-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Installation Kit

ES#1306773 - 11120141055 - Cylinder Head Installation Kit - Includes head gasket - Victor Reinz - BMW
ECS Tuning recommends this product.

Includes head gasket For vehicles with production date from 09/2002

Brand:
Victor Reinz - Corporate Logo
ES#:
1306773
Mfg#:
11120141055
In Stock at Vendor
$707.79

This product was last offered at the strikethrough price on
04-08-2026

$495.48 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.

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