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BMW E90 M3 S65 4.0L

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BMW E90 M3 S65 4.0L Engine Parts & Accessories

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K+DCAN Cable - FTDI FT232RL Style OBD2 Cable

ES#4508968 - 01KDCABLE - K+DCAN Cable - FTDI FT232RL Style OBD2 Cable - Connect to 1998-2018 BMW OBD2 systems with a laptop. - Bremmen Parts - BMW

Connect to 1998-2018 BMW OBD2 systems with a laptop.

Brand:
Bremmen Parts - Corporate Logo
ES#:
4508968
Mfg#:
01KDCABLE
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65 Aluminum Valve Cover - OE Gray

ES#4709317 - S65VCOEG - S65 Aluminum Valve Cover - OE Gray - The NRW Designs Aluminum Valve Cover - OE Gray is the perfect solution for maintaining the performance and aesthetics of your BMW S65 engine. - NRW Design - BMW

The NRW Designs Aluminum Valve Cover - OE Gray is the perfect solution for maintaining the performance and aesthetics of your BMW S65 engine.

Brand:
NRW Design - Corporate Logo
ES#:
4709317
Mfg#:
S65VCOEG
Ships in 3 Business Days
$1371.99

This product was last offered at the strikethrough price on
06-05-2026

$1199.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Actuator - Set - E9x M3 S65

ES#4046201 - 13627838085KT1 - Throttle Body Actuator - Set - E9x M3 S65 - Pair of throttle body actuators with arms - Genuine BMW - BMW

Pair of throttle body actuators with arms

Brand:
Genuine BMW - Corporate Logo
ES#:
4046201
Mfg#:
13627838085KT1
In Stock
$2201.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BE Bearings Performance Rod Bearing Replacement Kit

ES#3690908 - 11247838088KT10 - BE Bearings Performance Rod Bearing Replacement Kit - Includes everything needed for a rod bearing service, featuring BE Bearings upgraded rod bearings. - Assembled By ECS - BMW

Includes everything needed for a rod bearing service, featuring BE Bearings upgraded rod bearings. Greater clearance and oil flow for less friction and wear!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690908
Mfg#:
11247838088KT10
In Stock at Vendor
$1155.99

This product was last offered at the strikethrough price on
08-14-2026

$1153.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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
Features conventional hex head to reduce the potential for stripping.

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

Turner Motorsport E9X M3 Skid Plate

ES#3221133 - 021807TMS03 - Turner Motorsport E9X M3 Skid Plate - The ultimate upgrade for belly pan replacement is here! - Turner Motorsport - BMW
ECS Tuning recommends this product.

The ultimate upgrade for belly pan replacement is here!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3221133
Mfg#:
021807TMS03
Ships on Sep 14, 2026
Auto Notify
ON SALE!
$895.99

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

$869.11 USD
Free Shipping
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

Power Distribution Box

ES#165984 - 61146971370 - Power Distribution Box - This is found on the top of the battery - Genuine BMW - BMW

This is found on the top of the battery

Brand:
Genuine BMW - Corporate Logo
ES#:
165984
Mfg#:
61146971370
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.

$127.59

This product was last offered at the strikethrough price on
08-23-2026

$120.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - 75A Durometer (Pair)

ES#4375397 - 1181228379812KT - Engine Mount - 75A Durometer (Pair) - Keep your engine securely mounted with our solid, non-fluid filled mounts. Can be sold individually (ES4335401) - ECS - BMW

Keep your engine securely mounted with our solid, non-fluid filled mounts. Can be sold individually (ES4335401)

Brand:
ECS - Corporate Logo
ES#:
4375397
Mfg#:
1181228379812KT
Ships in 6 Business Days
ON SALE! SAVE 25%
$197.99

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

$148.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Actuator - Priced Each - E9x M3 S65

ES#34459 - 13627838085 - Throttle Body Actuator - Priced Each - E9x M3 S65 - 2 required per vehicle, one per bank, replaceable individually. - Genuine BMW - BMW

2 required per vehicle, one per bank, replaceable individually. Fitment is for Models equipped with the S65 4.0L engine

Brand:
Genuine BMW - Corporate Logo
ES#:
34459
Mfg#:
13627838085
In Stock
7% off MSRP

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

$1157.61

This product was last offered at the strikethrough price on
08-23-2026

$1076.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Top Tec 4110 Engine Oil (5w-40) - 5 Liters

ES#4152102 - 22122 - Top Tec 4110 Engine Oil (5w-40) - 5 Liters - Great for both gasoline and diesel engines! - Liqui-Moly - BMW Porsche

Great for both gasoline and diesel engines! We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4152102
Mfg#:
22122
In Stock
32% off MSRP

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

$89.99

This product was last offered at the strikethrough price on
08-23-2026

$60.99 USD
Free Shipping
on orders $49 and up

Comprehensive Valve Cover Gasket Service Kit

ES#4759954 - 11127838272KT1 - Comprehensive Valve Cover Gasket Service Kit - Includes left and right valve cover gaskets, spark plug tube seals, and upgraded silicone grommets to ensure leak-free engine operation! - Assembled By ECS - BMW

Includes left and right valve cover gaskets, spark plug tube seals, and upgraded silicone grommets to ensure leak-free engine operation!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4759954
Mfg#:
11127838272KT1
In Stock
ON SALE! SAVE 16%
$370.99

This product was last offered at the strikethrough price on
03-22-2026

$311.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65 Aluminum Valve Cover - Smooth Red

ES#4709322 - S65VCSRD - S65 Aluminum Valve Cover - Smooth Red - Enhance appearance while mitigating issues from the OEM magnesium valve cover of your BMW M3 S65 engine. Finished in Smooth Red. - NRW Design - BMW

Enhance appearance while mitigating issues from the OEM magnesium valve cover of your BMW M3 S65 engine. Finished in Smooth Red.

Brand:
NRW Design - Corporate Logo
ES#:
4709322
Mfg#:
S65VCSRD
Ships in 3 Business Days
$1199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VAC Performance Coated Rod Bearing Kit - Standard Size

ES#4146576 - VAC-HPRBK-S65 - VAC Performance Coated Rod Bearing Kit - Standard Size - The mighty and powerful BMW S65 has an "Achilles Heel", it's rod bearings. As great and powerful as BMW made the S65 engine, they left it lacking in a critical area - it's rod bearing reliability. - VAC Motorsports - BMW

The mighty and powerful BMW S65 has an "Achilles Heel", it's rod bearings. As great and powerful as BMW made the S65 engine, they left it lacking in a critical area - it's rod bearing reliability.

Brand:
VAC Motorsports - Corporate Logo
ES#:
4146576
Mfg#:
VAC-HPRBK-S65
In Stock
$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2955401 - 17117562079 - Radiator - Replace your leaking radiator. Multi-fit, work with BMWs with an automatic transmissions. - Nissens - BMW
ECS Tuning recommends this product.

Replace your leaking radiator. Multi-fit, work with BMWs with an automatic transmissions. We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2955401
Mfg#:
17117562079
In Stock
$174.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

King Bearings S65 Performance Rod Bearing Replacement Kit

ES#5481794 - CR8066GPCKT - King Bearings S65 Performance Rod Bearing Replacement Kit - Behind that glorious intake noise lies a well-known vulnerability: factory rod bearing clearance. Don't let the anxiety of potential engine failure shadow your driving experience. - Assembled By ECS - BMW

Behind that glorious intake noise lies a well-known vulnerability: factory rod bearing clearance. Don't let the anxiety of potential engine failure shadow your driving experience.

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481794
Mfg#:
CR8066GPCKT
In Stock at Vendor
$976.99

This product was last offered at the strikethrough price on
08-14-2026

$974.99 USD
Free Shipping
on orders $49 and up
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.

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