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BMW E46 323Ci M52 2.5L Engine Parts & Accessories

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ES#4858502 - B48-H6-L3 - Endurance Series AGM Battery - B48-H6-L3 - Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. - Braille - Audi BMW Volkswagen Mercedes Benz Porsche

Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications.

Brand:
Braille - Corporate Logo
ES#:
4858502
Mfg#:
B48-H6-L3
Ships in 4 Business Days
$398.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2534570 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - URO - BMW

Common source of engine overheating 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534570
Mfg#:
11527505302
In Stock
$72.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#24836 - 11531705210 - Heater Inlet Pipe - Runs from the front left side of the engine to the heater inlet - Genuine BMW - BMW

Runs from the front left side of the engine to the heater inlet

Brand:
Genuine BMW - Corporate Logo
ES#:
24836
Mfg#:
11531705210
In Stock
1% off MSRP

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

$66.71

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

$66.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2526534 - 12131703228 - Ignition Coil - Priced Each - Get your engine working flawlessly with new ignition coils - Bremi - BMW

Get your engine working flawlessly with new ignition coils

Brand:
Bremi - Corporate Logo
ES#:
2526534
Mfg#:
12131703228
Ships in 1 Business Day
$55.99

This product was last offered at the strikethrough price on
10-14-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2593604 - 11281748131KT - Accessory Belt Service Kit - Utilizes high quality aftermarket components - includes updated hydraulic alternator tensioner - Assembled By ECS - BMW

Utilizes high quality aftermarket components - includes updated hydraulic alternator tensioner 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593604
Mfg#:
11281748131KT
Ships in 1-3 days
ON SALE!
$224.99

This product was last offered at the strikethrough price on
10-23-2026

$213.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4039808 - 11361432532 - Variable Engine Timing Solenoid Switch - Actuates the function of engine timing to improve efficiency, horsepower, and torque. Also known as the VANOS solenoid. - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Actuates the function of engine timing to improve efficiency, horsepower, and torque. Also known as the VANOS solenoid. 10X Entries Into Our F80 M3 Sweepstakes
Requires use of open-ended wrench for installation - does not fit BMW specific socket tool

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4039808
Mfg#:
11361432532
In Stock
ON SALE!
$75.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#34326 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Genuine BMW - BMW

Monitors coolant / oil temperature

Brand:
Genuine BMW - Corporate Logo
ES#:
34326
Mfg#:
13621433076
In Stock
16% off MSRP

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

$66.05

This product was last offered at the strikethrough price on
11-03-2026

$55.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25061 - 11537502525 - Water Pipe - Connects return hose to engine block - Genuine BMW - BMW

Connects return hose to engine block

Brand:
Genuine BMW - Corporate Logo
ES#:
25061
Mfg#:
11537502525
In Stock
$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3504768 - 17117573781 - E46 Coolant Expansion Tank - Includes cap and level sensor - Rein - BMW

Includes cap and level sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3504768
Mfg#:
17117573781
In Stock
$76.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2575612 - 17119071519 - E46 Radiator - Automatic - Replace your leaking radiator - Nissens - BMW
ECS Tuning recommends this product.

Replace your leaking radiator We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission only

Brand:
Nissens - Corporate Logo
ES#:
2575612
Mfg#:
17119071519
In Stock
$173.39

This product was last offered at the strikethrough price on
06-02-2026

$166.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2795558 - 003042ECS01 - Aluminum Power Steering Pulley - Finally, a durable power steering pulley that won't break! - ECS - BMW

Finally, a durable power steering pulley that won't break! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2795558
Mfg#:
003042ECS01
In Stock
ON SALE!
$73.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4782756 - 11617533400S1 - "Cold Climate" Crankcase Ventilation Valve Kit - Improved CCV hose and valve kit tailored for vehicles used in frigid temperatures! - Febi - BMW

Improved CCV hose and valve kit tailored for vehicles used in frigid temperatures! We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4782756
Mfg#:
11617533400S1
In Stock
$225.00

This product was last offered at the strikethrough price on
08-13-2026

$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2574923 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Ruville - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley

Brand:
Ruville - Corporate Logo
ES#:
2574923
Mfg#:
11287838797
In Stock
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3522205 - 11317838675 - Timing Chain Tensioner - Located on the lower rear timing chain guide rail - Ina - BMW

Located on the lower rear timing chain guide rail We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3522205
Mfg#:
11317838675
In Stock
$136.99

This product was last offered at the strikethrough price on
08-20-2026

$95.99 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.

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