Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E34 525i M20 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle BMW E34 525i M20 2.5L
Your Vehicle BMW E34 525i M20 2.5L
Change Clear

BMW E34 525i M20 2.5L Most Popular Parts

Sort By
Filter By
Return to Top

Side Skirt Clip - Priced Each

ES#127895 - 51711959929 - Side Skirt Clip - Priced Each - Used to secure the side skirts - Genuine BMW - BMW

Used to secure the side skirts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
127895
Mfg#:
51711959929
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Inspection I/Oil Change Kit - With ECS Magnetic Drain Plug

ES#2549901 - M20IN1MAG - Genuine BMW Inspection I/Oil Change Kit - With ECS Magnetic Drain Plug - Everything you'll need to do a complete oil change with genuine BMW synthetic oil - Assembled By ECS - BMW

Everything you'll need to do a complete oil change with genuine BMW synthetic oil 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#:
2549901
Mfg#:
M20IN1MAG
In Stock
ON SALE!
$119.13 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Brake Booster Check Valve

ES#61707 - 34331158106 - Brake Booster Check Valve - Located in the brake booster hose - Genuine BMW - BMW

Located in the brake booster hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
61707
Mfg#:
34331158106
Ships in 2 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.

$122.99

This product was last offered at the strikethrough price on
07-11-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Bushing - Black Series

ES#5471031 - PFF5-4655BLK - Transmission Mount Bushing - Black Series - Track-spec transmission mounts eliminate drivetrain deflection for laser-precise shifting - Powerflex - BMW

Track-spec transmission mounts eliminate drivetrain deflection for laser-precise shifting affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
5471031
Mfg#:
PFF5-4655BLK
Back Ordered
Auto Notify
$118.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Flange - Priced Each

ES#39612 - 18111712064 - Exhaust Flange - Priced Each - New exhaust flange from BMW - Genuine BMW - BMW

New exhaust flange from BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
39612
Mfg#:
18111712064
Ships in 2 Business 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.

$17.99

This product was last offered at the strikethrough price on
07-11-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Eccentric Bolt

ES#22562 - 11331744355 - Eccentric Bolt - Used on rocker arm eccentric - Genuine BMW - BMW

Used on rocker arm eccentric affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
22562
Mfg#:
11331744355
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filler Cap

ES#2129965 - 11121716993 - Oil Filler Cap - Includes the sealing gasket - Febi - BMW

Includes the sealing gasket 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:
Febi - Corporate Logo
ES#:
2129965
Mfg#:
11121716993
In Stock
$9.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Window Regulator (Regulator Only) - Front Left

ES#3189640 - 740-410 - Power Window Regulator (Regulator Only) - Front Left - Get your window moving freely again with a new regulator - Dorman - BMW

Get your window moving freely again with a new regulator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3189640
Mfg#:
740-410
Ships in 4 Business Days
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Diff Rear Mount Bushing - Race - E34 5 Series / E32 7 Series

ES#4490214 - PFR5-632b - Rear Diff Rear Mount Bushing - Race - E34 5 Series / E32 7 Series - The Powerflex Rear Diff Rear Mount Bushing - Race for the BMW E34 5 Series and E32 7 Series is designed to significantly improve rear differential stability and handling for high-performance applications, such as track use or spirited driving. - Powerflex Black Series - BMW

The Powerflex Rear Diff Rear Mount Bushing - Race for the BMW E34 5 Series and E32 7 Series is designed to significantly improve rear differential stability and handling for high-performance applications, such as track use or spirited driving. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4490214
Mfg#:
PFR5-632B
Ships in 1 Business Day
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E34 Oxygen Sensor

ES#3031913 - 11781730007 - E34 Oxygen Sensor - 660mm length - Bosch - BMW

660mm length 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#:
3031913
Mfg#:
11781730007
Special Order: No Guaranteed ETA
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Hatch Strut - Right

Replacement Rear Hatch Strut - Right from Stabilus affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Stabilus - Corporate Logo
ES#:
4067248
Mfg#:
51248149328
In Stock at Vendor
$74.95

This product was last offered at the strikethrough price on
02-11-2026

$39.28 USD
Free Shipping
on orders $49 and up

Self Locking Hex Nut - Priced Each

ES#179280 - 64509123157 - Self Locking Hex Nut - Priced Each - Used on various locations on vehicle - Genuine BMW - BMW MINI

Used on various locations on vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
179280
Mfg#:
64509123157
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Wheel Spacers - 20mm (Pair) - Black Finish

ES#2731263 - 40757252SW - DRA Series Wheel Spacers - 20mm (Pair) - Black Finish - Bolts to the hub with supplied bolts, uses existing bolts to attach wheel to spacer - H&R - BMW

Bolts to the hub with supplied bolts, uses existing bolts to attach wheel to spacer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731263
Mfg#:
40757252SW
Ships in 3 Business Days
10% off MSRP

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

$129.99

This product was last offered at the strikethrough price on
07-01-2026

$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ABS Electric Drive Relay

ES#62747 - 34511157426 - ABS Electric Drive Relay - This relay mounts to the ABS unit - Genuine BMW - BMW

This relay mounts to the ABS unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
62747
Mfg#:
34511157426
Ships in 2 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.

$119.99

This product was last offered at the strikethrough price on
07-11-2026

$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wiring harness cap

ES#31306 - 12521707302 - Wiring harness cap - Protective cap for your wiring harness - Genuine BMW - BMW

Protective cap for your wiring harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31306
Mfg#:
12521707302
Ships in 2 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lock Cylinder Clip - Priced Each

ES#89330 - 51211928380 - Lock Cylinder Clip - Priced Each - Located behind door handle lock cylinder - Genuine BMW - BMW

Located behind door handle lock cylinder affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
89330
Mfg#:
51211928380
Ships in 2 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings