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BMW E39 Engine Parts & Accessories

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Oxygen Sensor - Priced Each

2 required in each application

Brand:
Pierburg - Corporate Logo
ES#:
4726449
Mfg#:
11781247406
Special Order: No Guaranteed ETA
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Intake Boot Kit & ECS High-Flow Air Filter

ES#4752824 - M52TUBTFLTRKT - Air Intake Boot Kit & ECS High-Flow Air Filter - Solve vacuum leaks while increasing intake air flow - Assembled By ECS - BMW

Solve vacuum leaks while increasing intake air flow 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4752824
Mfg#:
M52TUBTFLTRKT
Ships on Dec 22, 2026
ON SALE! SAVE 19%
$167.99

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

$136.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Coolant Hose

ES#2803372 - 64218391003 - E39 Coolant Hose - Hose that runs from the engine block to the water valve - Rein - BMW

Hose that runs from the engine block to the water valve 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803372
Mfg#:
64218391003
Special Order: No Guaranteed ETA
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Forged Piston Set - M54B25 Std. Size

ES#4758876 - M54B25-CPP-84 - CP-Carrillo Forged Piston Set - M54B25 Std. Size - Upgrade to CP-Carrillo's Forged Pistons in Your M54B25 Powered BMW! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Pistons in Your M54B25 Powered BMW! For Vehicles With M54B25 Engine Only

Brand:
5150 Autosport - Corporate Logo
ES#:
4758876
Mfg#:
M54B25-CPP-84
Back Ordered
Starting at $1349.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Radiator Installation Kit

ES#2603203 - 11537505228KT1 - Radiator Installation Kit - Everything you need to install a new radiator in your BMW - Assembled By ECS - BMW

Everything you need to install a new radiator in your BMW 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2603203
Mfg#:
11537505228KT1
Back Ordered
Auto Notify
ON SALE!
$291.99

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

$268.82 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2681030 - 11281742013KT - Accessory Belt Kit - Utilizes high quality aftermarket components - Assembled By ECS - BMW

Utilizes high quality aftermarket components 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2681030
Mfg#:
11281742013KT
Back Ordered
ON SALE! SAVE 17%
$759.99

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

$628.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Accessory Belt Kit - Kevlar Reinforced

ES#4736700 - 11287833264BKT - Performance Accessory Belt Kit - Kevlar Reinforced - Utilizes high quality components and our performance Kevlar reinforced belts - Assembled By ECS - BMW

Utilizes high quality components and our performance Kevlar reinforced belts 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
4736700
Mfg#:
11287833264BKT
Back Ordered
ON SALE! SAVE 17%
$755.99

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

$626.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate S54 Oil Pan And Pump Upgrade Kit

ES#4707928 - 11137838130UG - Ultimate S54 Oil Pan And Pump Upgrade Kit - Get everything you need to upgrade your oil pan and pump in your M52/S52 powered BMW in one convenient package! - Assembled By ECS - BMW

Get everything you need to upgrade your oil pan and pump in your M52/S52 powered BMW in one convenient package! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4707928
Mfg#:
11137838130UG
Back Ordered
Starting at $2099.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Mass Air Flow Sensor (MAF)

ES#257440 - 13621702078 - Mass Air Flow Sensor (MAF) - Controls the air / fuel mixture of the engine, usually deteriorates over time affecting engine performance - Bosch - BMW

Controls the air / fuel mixture of the engine, usually deteriorates over time affecting engine performance 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
Bosch - Corporate Logo
ES#:
257440
Mfg#:
13621702078
Back Ordered
$382.99

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

$371.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Coolant Pipe - BMW

ES#4666927 - 11411304178 - O-Ring - Coolant Pipe - BMW - Coolant Pipe O-Ring Replacement - Elring - BMW

Coolant Pipe O-Ring Replacement 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4666927
Mfg#:
11411304178
Back Ordered
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#2866964 - 11287512758 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Febi - BMW

Complete tensioner assembly with roller 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/2002

Brand:
Febi - Corporate Logo
ES#:
2866964
Mfg#:
11287512758
Special Order: No Guaranteed ETA
$75.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2873855 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Febi - BMW

2 required in each application 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873855
Mfg#:
11781742050
Special Order: No Guaranteed ETA
$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Fuel Injector - Priced Each

ES#4220150 - 13641736908kt1KT - Remanufactured Fuel Injector - Priced Each - Price includes $10.00 Core Charge - GB Remanufacturing - BMW

Price includes $10.00 Core Charge

Brand:
GB Remanufacturing - Corporate Logo
ES#:
4220150
Mfg#:
13641736908KT1KT
Back Ordered
$61.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 M5 Valve Cover - Right

ES#18107 - 11121406776 - E39 M5 Valve Cover - Right - A complete valve cover assembly for cylinders 1-4 - Genuine BMW - BMW

A complete valve cover assembly for cylinders 1-4

Brand:
Genuine BMW - Corporate Logo
ES#:
18107
Mfg#:
11121406776
Back Ordered
6% off MSRP

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

$612.99

This product was last offered at the strikethrough price on
07-22-2026

$577.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling Maintenance Kit - Level 2

ES#2635503 - 11517527910KT5 - ECS Cooling Maintenance Kit - Level 2 - A more advanced cooling refresh kit - with water pump pulley and accessory belts - Genuine BMW - BMW

A more advanced cooling refresh kit - with water pump pulley and accessory belts For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2635503
Mfg#:
11517527910KT5
Back Ordered
$1023.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling Maintenance Kit - Level 3

ES#2739244 - 11517527910KT9 - ECS Cooling Maintenance Kit - Level 3 - The ultimate cooling refresh kit - with water pump Pulley, accessory belt service and radiator - Genuine BMW - BMW

The ultimate cooling refresh kit - with water pump Pulley, accessory belt service and radiator For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2739244
Mfg#:
11517527910KT9
Back Ordered
$1919.99 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.

Let us help you find the parts that fit your BMW

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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