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BMW E39 525i M54 2.5L

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BMW E39 525i M54 2.5L Most Popular Parts

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New Starter Motor

ES#2973178 - 12412354693 - New Starter Motor - Bosch part number SR0448N - New starter with no core charge! - Bosch - BMW
ECS Tuning recommends this product.

Bosch part number SR0448N - New starter with no core charge! We Price Match - Give Us A Call or Chat! For M54 Engine

Brand:
Bosch - Corporate Logo
ES#:
2973178
Mfg#:
12412354693
In Stock
$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance M Series Ignition Coil - Priced Each

ES#4708456 - 12137599219T - Turner Performance M Series Ignition Coil - Priced Each - Performance ignition coils modified specifically for your M Series engine to increase efficiency and output! - Turner Motorsport - BMW

Performance ignition coils modified specifically for your M Series engine to increase efficiency and output! For vehicles with a production up to 09/2002 - vehicles produced after 09/2002+ will use N series style coils (12138616153T)

Brand:
Turner Motorsport - Corporate Logo
ES#:
4708456
Mfg#:
12137599219T
In Stock
ON SALE! SAVE 10%
$37.99

This product was last offered at the strikethrough price on
06-24-2026

$34.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2550226 - 12137594937 - Ignition Coil - Priced Each - Give your engine a new spark - Bosch - BMW
ECS Tuning recommends this product.

Give your engine a new spark We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/2002

Brand:
Bosch - Corporate Logo
ES#:
2550226
Mfg#:
12137594937
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Alternator - 120amp

ES#4751406 - 12317501690 - New Alternator - 120amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751406
Mfg#:
12317501690
In Stock
ON SALE! SAVE 20%
$211.99

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

$169.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Aluminum Water Pump Pulley - Black

ES#2855687 - 001977ECS03A - ECS Aluminum Water Pump Pulley - Black - Finally, a durable, attractive water pump pulley that won't break! - ECS - BMW

Finally, a durable, attractive water pump pulley that won't break!

Brand:
ECS - Corporate Logo
ES#:
2855687
Mfg#:
001977ECS03A
In Stock
ON SALE!
$104.99

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

$99.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Center Cap - 68mm

ES#65868 - 36136783536 - Wheel Center Cap - 68mm - Updated design from BMW. Used in most wheels requiring a simple roundel center cap. - Genuine BMW - BMW

Updated design from BMW. Used in most wheels requiring a simple roundel center cap.

Brand:
Genuine BMW - Corporate Logo
ES#:
65868
Mfg#:
36136783536
In Stock
5% off MSRP

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

$22.00

This product was last offered at the strikethrough price on
08-22-2026

$20.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - Priced Each (M12x1.5)

ES#251839 - 002201ECS01A - Magnetic Oil Drain Plug - Priced Each (M12x1.5) - Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer - ECS - BMW MINI

Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer

Brand:
ECS - Corporate Logo
ES#:
251839
Mfg#:
002201ECS01A
In Stock
ON SALE! SAVE 25%
$38.99

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

$29.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Roundel Emblem

ES#79384 - 51148132375 - BMW Roundel Emblem - Tired of looking at your faded BMW Badge? Replace it with the Genuine OEM Roundel - Genuine BMW - BMW

Tired of looking at your faded BMW Badge? Replace it with the Genuine OEM Roundel

Brand:
Genuine BMW - Corporate Logo
ES#:
79384
Mfg#:
51148132375
In Stock
2% off MSRP

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

$63.32

This product was last offered at the strikethrough price on
08-22-2026

$62.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Endurance Series AGM Battery- B49-H8-L5

ES#3617596 - B10049 - Endurance Series AGM Battery- B49-H8-L5 - Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. - Braille - Audi BMW

Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shipping

Brand:
Braille - Corporate Logo
ES#:
3617596
Mfg#:
B10049
In Stock
$446.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mounts - Pair

ES#3546942 - TM - Transmission Mounts - Pair - Help stabilize the transmission under vehicle load allowing the shifter to engage into gear properly - Rogue Engineering - BMW

Help stabilize the transmission under vehicle load allowing the shifter to engage into gear properly

Brand:
Rogue Engineering - Corporate Logo
ES#:
3546942
Mfg#:
TM
Back Ordered
Auto Notify
$69.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each - N20 N52 N54 N55 S55 S54 N62 S62 M54

ES#2683885 - 12138616153 - Ignition Coil - Priced Each - N20 N52 N54 N55 S55 S54 N62 S62 M54 - Replace your faulty ignition coils to prevent misfires, restore power, and remove check engine lights - Genuine BMW - BMW MINI

Replace your faulty ignition coils to prevent misfires, restore power, and remove check engine lights

Brand:
Genuine BMW - Corporate Logo
ES#:
2683885
Mfg#:
12138616153
In Stock
14% off MSRP

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

$100.05

This product was last offered at the strikethrough price on
08-03-2026

$86.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M-Series Performance Ignition Coil - Red

ES#4456861 - D650-0006 - M-Series Performance Ignition Coil - Red - A direct plug-and-play upgrade with up to 10% more energy output than stock! - Dinan - BMW

A direct plug-and-play upgrade with up to 10% more energy output than stock! Call In Or Chat For Best Price!
For vehicles with a production up to 09/2002 - vehicles produced after 09/2002+ will use N series style coils (D650-0004)

Brand:
Dinan - Corporate Logo
ES#:
4456861
Mfg#:
D650-0006
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.

$39.99

This product was last offered at the strikethrough price on
08-22-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Stud Conversion Kit - Full Set

ES#2836728 - 001467ecs08kt - Wheel Stud Conversion Kit - Full Set - Make wheel changes faster and easier, enough to convert both axles - ECS - BMW

Make wheel changes faster and easier, enough to convert both axles Ideal for vehicles with up to 20mm wheel spacers. May also be used with smaller spacers or without spacer

Brand:
ECS - Corporate Logo
ES#:
2836728
Mfg#:
001467ECS08KT
In Stock
ON SALE! SAVE 10%
$219.99

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

$197.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"///M" License Plate Frame - Black

ES#196057 - 82120010404 - "///M" License Plate Frame - Black - Black stainless finish with the ///M logo - Genuine BMW - BMW

Black stainless finish with the ///M logo

Brand:
Genuine BMW - Corporate Logo
ES#:
196057
Mfg#:
82120010404
In Stock
6% off MSRP

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

$42.00

This product was last offered at the strikethrough price on
08-22-2026

$39.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M-Series Performance Ignition Coil - Blue

ES#4456862 - D650-0007 - M-Series Performance Ignition Coil - Blue - A direct plug-and-play upgrade with up to 10% more energy output than stock! - Dinan - BMW

A direct plug-and-play upgrade with up to 10% more energy output than stock! Call In Or Chat For Best Price!
For vehicles with a production up to 09/2002 - vehicles produced after 09/2002+ will use N series style coils (D650-0004)

Brand:
Dinan - Corporate Logo
ES#:
4456862
Mfg#:
D650-0007
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.

$39.99

This product was last offered at the strikethrough price on
08-22-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Caliper Guide Bushing Set

ES#2723829 - 003326ECS01 - Performance Caliper Guide Bushing Set - Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. - ECS - BMW MINI

Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. Industry leading design for maximum performance with minimal maintenance!

Brand:
ECS - Corporate Logo
ES#:
2723829
Mfg#:
003326ECS01
In Stock
ON SALE! SAVE 25%
$169.99

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

$127.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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