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BMW E46 323i M52 2.5L Engine Parts & Accessories

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ES#3521793 - uppke46tuBKT - Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System  - Includes Accessory Belt System! - Assembled By ECS - BMW

Includes Accessory Belt System! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Bosch alternator only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3521793
Mfg#:
UPPKE46TUBKT
Ships in 1-3 days
ON SALE!
$583.77

This product was last offered at the strikethrough price on
07-06-2026

$539.67 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4045331 - 3478430NOBELTKT - ECS Cooling System Refresh Kit - Level 3 - Assembled By ECS - BMW

10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4045331
Mfg#:
3478430NOBELTKT
Ships in 1-3 days
ON SALE!
$1089.99

This product was last offered at the strikethrough price on
08-15-2026

$987.87 USD
This product is lifetime replacement eligible Partial Replacement
ES#5527327 - bmw101441KT - Lower Timing Cover Gasket Kit - Oil seeping from the front corners of the engine on an M54 or late M52 is often the lower timing cover gaskets. - Assembled By ECS - BMW

Oil seeping from the front corners of the engine on an M54 or late M52 is often the lower timing cover gaskets. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5527327
Mfg#:
BMW101441KT
Ships in 1 day
ON SALE!
$19.99

This product was last offered at the strikethrough price on
10-28-2026

$19.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#1892307 - 11281433571 - Mechanical A/C Belt Tensioner Assembly - This replacement mechanical A/C belt tensioner assembly from Febi Bilstein restores the precise, constant tension your accessory drive system requires. - Febi - BMW

This replacement mechanical A/C belt tensioner assembly from Febi Bilstein restores the precise, constant tension your accessory drive system requires. We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
1892307
Mfg#:
11281433571
Ships in 1 day
$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2497307 - 17119071519KT3 - ECS Cooling System Refresh Kit - Level 3 - The  ultimate kit to cover all the necessary components - featuring OEM contents - Genuine BMW - BMW

The <font color='red'> ultimate</font> kit to cover all the necessary components - featuring OEM contents For all vehicles with automatic transmission only. Also for vehicles with manual transmission only and production date up to 10/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2497307
Mfg#:
17119071519KT3
Ships in 2 Business Days
$2327.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#2622481 - 11727553056KT - Secondary Air Pump Kit - Level 2 - This comprehensive air pump kit includes all lines, valves, pump, and hardware. - Genuine BMW - BMW

This comprehensive air pump kit includes all lines, valves, pump, and hardware. For vehicles with production date up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
2622481
Mfg#:
11727553056KT
Ships on Apr 28, 2027
$1340.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#26815 - 11727553056 - Secondary Air Pump - Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir  - Genuine BMW - BMW

Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir

Brand:
Genuine BMW - Corporate Logo
ES#:
26815
Mfg#:
11727553056
Ships in 1 day
3% off MSRP

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

$689.99

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

$667.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2593731 - 11621732969KT1 - Manifold Installation Kit - Includes hardware and gaskets  - Genuine BMW - BMW

Includes hardware and gaskets

Brand:
Genuine BMW - Corporate Logo
ES#:
2593731
Mfg#:
11621732969KT1
Back Ordered
$409.99

This product was last offered at the strikethrough price on
10-08-2026

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#27211 - 11781742050 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application

Brand:
Genuine BMW - Corporate Logo
ES#:
27211
Mfg#:
11781742050
Ships in 1 day
6% off MSRP

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

$489.99

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

$460.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#44900 - 24201423384 - Piston - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
44900
Mfg#:
24201423384
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.

$45.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#19990 - 11211717779 - Lower Crankshaft Bearing Shell - Priced Each - Standard Bore - Genuine BMW - BMW

Standard Bore

Brand:
Genuine BMW - Corporate Logo
ES#:
19990
Mfg#:
11211717779
Ships in 6 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.

$38.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#19970 - 11211706850 - Upper Bearing Shell - Yellow - Yellow designation crankshaft bearing shell. 59.75mm(+0.25) - Genuine BMW - BMW

Yellow designation crankshaft bearing shell. 59.75mm(+0.25)

Brand:
Genuine BMW - Corporate Logo
ES#:
19970
Mfg#:
11211706850
Ships in 6 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.

$38.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#19949 - 11211705816 - Crankshaft Thrust Bearing - Green - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
19949
Mfg#:
11211705816
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.

$170.99

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

$167.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#19991 - 11211717780 - Bearing Shell Green - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
19991
Mfg#:
11211717780
Ships in 6 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.

$38.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#29430 - 12311713839 - Voltage Regulator - 120amp - For Valeo 120A - Genuine BMW - BMW

For Valeo 120A

Brand:
Genuine BMW - Corporate Logo
ES#:
29430
Mfg#:
12311713839
Ships in 1 day
6% off MSRP

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

$224.99

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

$211.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Keep your engine well lubricated For vehicles with production date up to 01/2000

Brand:
Genuine BMW - Corporate Logo
ES#:
23585
Mfg#:
11417507350
Ships in 1 day
5% off MSRP

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

$694.99

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

$662.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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