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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Performance Engine & Drivetrain Parts

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Universal Vortex Breather Catch Can

ES#4020131 - 034-101-4000 - Universal Vortex Breather Catch Can - Sold in a black powdercoated finish. - 034Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Sold in a black powdercoated finish.

Brand:
034Motorsport - Corporate Logo
ES#:
4020131
Mfg#:
034-101-4000
Ships in 2 Business Days
$153.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump

ES#2162544 - 16147161387 - Fuel Pump - Replace dead fuel pumps. - Bosch - BMW

Replace dead fuel pumps. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2162544
Mfg#:
16147161387
In Stock at Vendor
$336.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518842 - 31-10047 - Pro Dry S Air Filter - Higher flow, higher performance - oil-free, washable and reuseable! - AFE - BMW

Higher flow, higher performance - oil-free, washable and reuseable!

Brand:
AFE - Corporate Logo
ES#:
518842
Mfg#:
31-10047
In Stock
20% off MSRP

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

$95.00

This product was last offered at the strikethrough price on
07-21-2026

$76.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#4147300 - 30101516 - Universal 16" Electric Fan - Black - 1469 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

1469 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147300
Mfg#:
30101516
Ships in 2 Business Days
11% off MSRP

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

$168.99

This product was last offered at the strikethrough price on
07-21-2026

$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal Electric Fan Harness with Relay

ES#4147343 - FRH - Spal Electric Fan Harness with Relay - Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit - Spal - Audi BMW MINI

Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit

Brand:
Spal - Corporate Logo
ES#:
4147343
Mfg#:
FRH
Back Ordered
12% off MSRP

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

$112.99

This product was last offered at the strikethrough price on
07-21-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

USB To Serial Adapter

ES#4390908 - USB-2920 - USB To Serial Adapter - Used with your MegaSquirt ECU! - MegaSquirt - BMW

Used with your MegaSquirt ECU!

Brand:
MegaSquirt - Corporate Logo
ES#:
4390908
Mfg#:
USB-2920
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electronic Boost Control (EBC) Solenoid Kit

ES#4390910 - EBC_Sol_kit - Electronic Boost Control (EBC) Solenoid Kit - This electronic boost control solenoid can be used with the MS3-Pro/MSPNP - MegaSquirt - BMW

This electronic boost control solenoid can be used with the MS3-Pro/MSPNP

Brand:
MegaSquirt - Corporate Logo
ES#:
4390910
Mfg#:
EBC_SOL_KIT
Ships in 4 Business Days
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MSPNP And DIYPNP IAT Sensor Kit – Aluminum Bung

ES#4390909 - PNP_IAT-A - MSPNP And DIYPNP IAT Sensor Kit Aluminum Bung - This is a simple kit to make it easier for you when removing your AFM/MAF when using a MegaSquirt ECU - MegaSquirt - BMW

This is a simple kit to make it easier for you when removing your AFM/MAF when using a MegaSquirt ECU

Brand:
MegaSquirt - Corporate Logo
ES#:
4390909
Mfg#:
PNP_IAT-A
Ships in 5 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 14" Electric Fan - Black

ES#4147278 - 30100385 - Universal 14" Electric Fan - Black - 1038 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1038 CFM. High performance puller fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
4147278
Mfg#:
30100385
In Stock at Vendor
15% off MSRP

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

$130.99

This product was last offered at the strikethrough price on
07-21-2026

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Catch Can O-ring

ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

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

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Yellow" Crankshaft Bearing Shell - Set

ES#2626368 - 11211706850 - "Yellow" Crankshaft Bearing Shell - Set - 59.75MM(+0.25) bore - Glyco - BMW

59.75MM(+0.25) bore

Brand:
Glyco - Corporate Logo
ES#:
2626368
Mfg#:
11211706850
In Stock at Vendor
$126.61

This product was last offered at the strikethrough price on
07-15-2026

$118.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump

ES#4039455 - 16147161387 - Fuel Pump - Replace dead fuel pumps. - URO - BMW

Replace dead fuel pumps. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4039455
Mfg#:
16147161387
Ships in 1 Business Day
$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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