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BMW E30 325is M20 2.5L

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BMW E30 325is M20 2.5L Engine Parts & Accessories

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M20/M50/M52/M54 High Performance Rod Bearing Set - Standard

ES#4629189 - 6B1490H-STD - M20/M50/M52/M54 High Performance Rod Bearing Set - Standard - Includes upper and lower bearing shells for a complete rod bearing replacement. - ACL - BMW

Includes upper and lower bearing shells for a complete rod bearing replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACL - Corporate Logo
ES#:
4629189
Mfg#:
6B1490H-STD
In Stock
$156.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#38867 - 17222245358 - O-Ring - Priced Each - 13, 4X1.78 - Genuine BMW - BMW MINI

13, 4X1.78 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38867
Mfg#:
17222245358
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Yellow" Crankshaft Main Bearing Shell - Set

ES#2626366 - 11211706847 - "Yellow" Crankshaft Main Bearing Shell - Set - Standard bore - Glyco - BMW

Standard bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Glyco - Corporate Logo
ES#:
2626366
Mfg#:
11211706847
In Stock
$136.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Yellow" Main Bearing Set

ES#2986415 - 11211706847 - "Yellow" Main Bearing Set - Standard size, single tang uppers with double tang lowers - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard size, single tang uppers with double tang lowers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2986415
Mfg#:
11211706847
Ships in 3 Business Days
$110.29

This product was last offered at the strikethrough price on
06-29-2026

$97.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

New Water Pump

ES#259196 - 11519070759 - New Water Pump - Includes gasket. New - not remanufactured! - Geba - BMW
ECS Tuning recommends this product.

Includes gasket. New - not remanufactured! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1987

Brand:
Geba - Corporate Logo
ES#:
259196
Mfg#:
11519070759
Ships in 3 Business Days
$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance Chip

ES#3098075 - 173-300 - Turner Performance Chip - Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT - Turner Conforti Performance Chips - BMW

Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 1988-1992 models with a manual transmission and ECU # 0-261-200-173

Brand:
Turner Conforti Performance Chips - Corporate Logo
ES#:
3098075
Mfg#:
173-300
In Stock
ON SALE! SAVE 20%
$249.00

This product was last offered at the strikethrough price on
05-02-2026

$199.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Wires Set

ES#3450236 - 12121720529 - Spark Plug Wires Set - Includes ignition coil wire and conduit - URO - BMW

Includes ignition coil wire and conduit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3450236
Mfg#:
12121720529
In Stock
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Re manufactured starter

ES#3105969 - SR443X - Re manufactured starter - Price includes $45 core charge - Bosch - BMW

Price includes $45 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3105969
Mfg#:
SR443X
In Stock
$228.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Karbonius E30 3-Series S54 CSL Carbon Airbox

ES#4858738 - E30AD01-CF-1 - Karbonius E30 3-Series S54 CSL Carbon Airbox - The best CSL airbox available for your E30 S54 swap! (2x2 Twill Weave) - Karbonius Composites - BMW

The best CSL airbox available for your E30 S54 swap! (2x2 Twill Weave) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Karbonius Composites - Corporate Logo
ES#:
4858738
Mfg#:
E30AD01-CF-1
Special Order: No Guaranteed ETA
$2259.99 USD
Free Shipping

Oil Pressure Switch - M12x1.5

ES#2683652 - 12618611273 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - Genuine BMW - BMW

Leaking or malfunctioning oil pressure switches can be disastrous affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2683652
Mfg#:
12618611273
In Stock
17% off MSRP

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

$34.59

This product was last offered at the strikethrough price on
07-04-2026

$28.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 BMW CSL Airbox - S54 Swap - 2x2 Matte

ES#4715241 - E30AD01-2X2-MT - E30 BMW CSL Airbox - S54 Swap - 2x2 Matte - The best CSL airbox available for your E30 S54 swap! - Karbonius Composites - BMW

The best CSL airbox available for your E30 S54 swap! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Karbonius Composites - Corporate Logo
ES#:
4715241
Mfg#:
E30AD01-2X2-MT
Ships in 5 Business Days
$2239.00 USD
Free Shipping

Redline 10w-60 Engine Oil - 1 Quart

ES#2602531 - 11704 - Redline 10w-60 Engine Oil - 1 Quart - Fully ester based synthetic oil, recommended for "M" series engines - Redline - BMW

Fully ester based synthetic oil, recommended for "M" series engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
2602531
Mfg#:
11704
In Stock
$18.20 USD
Free Shipping
on orders $49 and up

Ignition Rotor

ES#2695827 - 12111715906 - Ignition Rotor - Cure your misfire problems - Bosch - BMW
ECS Tuning recommends this product.

Cure your misfire problems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2695827
Mfg#:
12111715906
In Stock
$52.01

This product was last offered at the strikethrough price on
03-27-2026

$48.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rotrex Traction Fluid - One Liter

ES#3438857 - 12-032 - Rotrex Traction Fluid - One Liter - Replacement traction fluid for your supercharger - Active Autowerke - BMW

Replacement traction fluid for your supercharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
3438857
Mfg#:
12-032
Ships in 1 Business Day
$240.00 USD
Free Shipping
on orders $49 and up

Fuel Injector - Priced Each

ES#3072233 - 13641731357 - Fuel Injector - Priced Each - Replace clogged and faulty injectors to restore performance. - Bosch - BMW
ECS Tuning recommends this product.

Replace clogged and faulty injectors to restore performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3072233
Mfg#:
13641731357
In Stock at Vendor
$71.99

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

$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Ultimate Replacement Kit

ES#2918763 - 11121707032kt1KT - Complete Cylinder Head Ultimate Replacement Kit - Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, ignition wires, and distributor - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, ignition wires, and distributor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918763
Mfg#:
11121707032KT1KT
Back Ordered
Auto Notify
ON SALE!
$2111.99

This product was last offered at the strikethrough price on
06-05-2026

$2084.34 USD
This product is lifetime replacement eligible Partial 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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