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BMW E46 Engine Parts & Accessories

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OE Rear Main/Crankshaft Seal Kit

ES#4758133 - 11142247867KT2 - OE Rear Main/Crankshaft Seal Kit - Common leakage point at rear of engine - Assembled By ECS - BMW

Common leakage point at rear of engine 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4758133
Mfg#:
11142247867KT2
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Assembly

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
Back Ordered
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3023887 - 17119071518 - Radiator - Replace your leaking radiator - Mahle-Behr - BMW

Replace your leaking radiator For manual transmission only.

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023887
Mfg#:
17119071518
In Stock at Vendor
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Oil Pump Shaft Kit - M52TU M54

ES#4364735 - 11-AM-UOPSK-M54 - Upgraded Oil Pump Shaft Kit - M52TU M54 - Avoid oil pressure loss and engine failure with this simple kit! - Achilles Motorsports - BMW

Avoid oil pressure loss and engine failure with this simple kit!

Brand:
Achilles Motorsports - Corporate Logo
ES#:
4364735
Mfg#:
11-AM-UOPSK-M54
Ships in 3 Business Days
$270.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Assembly

ES#2535732 - 16146766942 - Fuel Pump Assembly - Located in the fuel tank-includes fuel level sending unit - URO - BMW

Located in the fuel tank-includes fuel level sending unit 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535732
Mfg#:
16146766942
In Stock
$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Coolant Expansion Tank

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

Connecting Rod Bolt Kit - Late S54

ES#1844201 - 201-6102 - Connecting Rod Bolt Kit - Late S54 - M10x45mm UHL Pro-Series ARP rod bolt set - ARP - BMW

M10x45mm UHL Pro-Series ARP rod bolt set For vehicles with production from 02/2003

Brand:
ARP - Corporate Logo
ES#:
1844201
Mfg#:
201-6102
Back Ordered
$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#10939 - 11531318274 - Thermostat - 80C - Restore your cooling performance with a brand new thermostat - Wahler - BMW

Restore your cooling performance with a brand new thermostat

Brand:
Wahler - Corporate Logo
ES#:
10939
Mfg#:
11531318274
In Stock
$105.99

This product was last offered at the strikethrough price on
06-25-2026

$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Oil Change Kit / Inspection I

ES#10355 - m50OCI - Genuine BMW Oil Change Kit / Inspection I - Everything you'll need to do a basic oil change - featuring a Hengst oil filter and new drain plug - Assembled By ECS - BMW

Everything you'll need to do a basic oil change - featuring a Hengst oil filter and new drain plug 10X Entries Into Our F80 M3 Sweepstakes
Featuring the standard synthetic oil BMW engineers had in mind

Brand:
Assembled By ECS - Corporate Logo
ES#:
10355
Mfg#:
M50OCI
In Stock
ON SALE!
$132.92 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

"Cold Climate" Crankcase Ventilation Valve Kit

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
$238.99

This product was last offered at the strikethrough price on
04-14-2026

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2576206 - 0280218062 - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bosch - BMW

Restore fuel economy and performance We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2576206
Mfg#:
0280218062
In Stock
$203.59

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

$174.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC Treated Rod Bearing Set

ES#3221125 - 11241284849WPC - WPC Treated Rod Bearing Set - Stronger & smoother, with less friction for your BMW! - ECS - BMW

Stronger & smoother, with less friction for your BMW! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3221125
Mfg#:
11241284849WPC
In Stock
ON SALE! SAVE 25%
$188.99

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

$141.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Water Pump

ES#2707755 - 11517838118 - E46 M3 Water Pump - Includes alignment dowel - Genuine BMW - BMW

Includes alignment dowel

Brand:
Genuine BMW - Corporate Logo
ES#:
2707755
Mfg#:
11517838118
Ships in 1-2 days
6% off MSRP

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

$632.99

This product was last offered at the strikethrough price on
09-25-2026

$595.99 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.

Let us help you find the parts that fit your BMW

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

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