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BMW E39 525i M54 2.5L

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BMW E39 525i M54 2.5L Engine Parts & Accessories

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Fuel Injector - Priced Each

ES#3039832 - 13537546244 - Fuel Injector - Priced Each - Original equipment replacement - VDO - BMW
ECS Tuning recommends this product.

Original equipment replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
3039832
Mfg#:
13537546244
Back Ordered
$146.99

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

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#2217424 - 11427549573 - O-Ring - 7x2.5MM - Genuine BMW - BMW

7x2.5MM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2217424
Mfg#:
11427549573
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling Maintenance Kit - Level 2

ES#1596864 - ECSE391153 - ECS Cooling Maintenance Kit - Level 2 - Stop your cooling problems before they start - featuring a GEBA water pump with a metal impeller - Assembled By ECS - BMW

Stop your cooling problems before they start - featuring a GEBA water pump with a metal impeller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
1596864
Mfg#:
ECSE391153
Back Ordered
Auto Notify
ON SALE!
$436.99

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

$423.59 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling Maintenance Kit - Level 2

ES#1596861 - ecse391153 - ECS Cooling Maintenance Kit - Level 2 - Stop your cooling problems before they start - featuring a GEBA water pump with a metal impeller - Assembled By ECS - BMW

Stop your cooling problems before they start - featuring a GEBA water pump with a metal impeller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
1596861
Mfg#:
ECSE391153
Back Ordered
Auto Notify
ON SALE!
$434.99

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

$420.91 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Hose - Lower

ES#24838 - 11531705224 - Radiator Hose - Lower - Includes retaining clips - Genuine BMW - BMW

Includes retaining clips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24838
Mfg#:
11531705224
Ships in 1 day
ON SALE!
$55.99

This product was last offered at the strikethrough price on
06-15-2026

$52.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Right - Brushed Stainless

ES#4146850 - 026732TMS06-17 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146850
Mfg#:
026732TMS06-17
In Stock
ON SALE! SAVE 53%
$149.99

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

$70.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#4365289 - 13629899008 - Air Temperature Sensor - Monitors intake air temperature - Genuine BMW - BMW

Monitors intake air temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4365289
Mfg#:
13629899008
Ships in 1 day
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - M12x1.5

ES#2534481 - 12611710509 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - URO - BMW

Leaking or malfunctioning oil pressure switches can be disastrous 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#:
2534481
Mfg#:
12611710509
In Stock
$8.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Expansion Tank Hose

ES#2622968 - 11531438633 - E39 Expansion Tank Hose - Runs from the expansion tank to auxiliary water pump - Rein - BMW

Runs from the expansion tank to auxiliary water pump 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:
Rein - Corporate Logo
ES#:
2622968
Mfg#:
11531438633
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Alternator Belt Tensioner Assembly

ES#3673292 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - Bremmen Parts - BMW

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with automatic transmission only

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673292
Mfg#:
11281427252
In Stock
ON SALE! SAVE 10%
$41.99

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

$37.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing Lid

ES#23934 - 11421744000 - Oil Filter Housing Lid - Includes sealing o-ring - Genuine BMW - BMW

Includes sealing o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
23934
Mfg#:
11421744000
Ships in 1 day
10% off MSRP

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

$50.99

This product was last offered at the strikethrough price on
07-09-2026

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Shaft Upgrade Kit

ES#4772455 - 11amuopsk-m54KT - Oil Pump Shaft Upgrade Kit - Everything you need to bulletproof your oil pump shaft in one simple kit. - Assembled By ECS - BMW

Everything you need to bulletproof your oil pump shaft in one simple kit. 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#:
4772455
Mfg#:
11AMUOPSK-M54KT
Ships on Aug 14, 2026
Auto Notify
$427.99

This product was last offered at the strikethrough price on
05-15-2026

$410.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Ignition Coil, Delphi Style, 6-Pack

ES#5435308 - MMIG-BMW-0706 - Ignition Coil, Delphi Style, 6-Pack - A high-quality replacement designed to restore the factory performance and fuel efficiency of your 3.0L N54 engine. - Mishimoto - BMW

A high-quality replacement designed to restore the factory performance and fuel efficiency of your 3.0L N54 engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435308
Mfg#:
MMIG-BMW-0706
Ships in 3 Business Days
$204.99 USD
Free Shipping
on orders $49 and up

Mounting Screw

ES#166096 - 61217577620 - Mounting Screw - 190MM - Genuine BMW - BMW MINI

190MM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
166096
Mfg#:
61217577620
In Stock
10% off MSRP

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

$9.69

This product was last offered at the strikethrough price on
03-04-2026

$8.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#2561562 - 11511436590 - Water Pump Pulley - A common failing piece due to the plastic design. - Febi - BMW

A common failing piece due to the plastic design. 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#:
2561562
Mfg#:
11511436590
In Stock
$37.99

This product was last offered at the strikethrough price on
04-17-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover

ES#4159477 - 11127512839 - Valve Cover - A complete valve cover assembly - Rein - BMW

A complete valve cover assembly 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:
Rein - Corporate Logo
ES#:
4159477
Mfg#:
11127512839
Ships in 3 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
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.

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

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