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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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E9X M3 Magnum FORCE Pro 5R Stage 2 Air Intake System

ES#2190094 - 54-31662 - E9X M3 Magnum FORCE Pro 5R Stage 2 Air Intake System - Excellent sound & power - the ultimate performance intake! +12hp & +9lb/ft! - AFE - BMW

Excellent sound & power - the ultimate performance intake! +12hp & +9lb/ft! CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
2190094
Mfg#:
54-31662
EO#:
D-550-38
In Stock
20% off MSRP

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

$456.99

This product was last offered at the strikethrough price on
10-18-2026

$365.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARP Cylinder Head Stud Kit

ES#3539735 - 201-4307 - ARP Cylinder Head Stud Kit - Stud conversion set up with 12 point fastening nuts - ARP - BMW

Stud conversion set up with 12 point fastening nuts

Brand:
ARP - Corporate Logo
ES#:
3539735
Mfg#:
201-4307
Back Ordered
$363.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Belt Tensioner

ES#21804 - 11287835422 - Hydraulic Belt Tensioner - Keep your air conditioning belt tight - Genuine BMW - BMW

Keep your air conditioning belt tight

Brand:
Genuine BMW - Corporate Logo
ES#:
21804
Mfg#:
11287835422
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.

$193.99

This product was last offered at the strikethrough price on
10-18-2026

$181.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Oil Pan

ES#19101 - 11137839227 - E9X M3 Oil Pan - Replacement pan - Genuine BMW - BMW

Replacement pan

Brand:
Genuine BMW - Corporate Logo
ES#:
19101
Mfg#:
11137839227
Ships in 1 day
$1738.99

This product was last offered at the strikethrough price on
06-01-2026

$1451.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S65 Rod Bearing Overhaul Kit

ES#4940700 - S65RBOK - S65 Rod Bearing Overhaul Kit - Pick and choose the parts for your next rod bearing service! - Assembled By ECS - BMW

Pick and choose the parts for your next rod bearing service! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4940700
Mfg#:
S65RBOK
In Stock
ON SALE!
Starting at $620.30 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Crankshaft Position Sensor

ES#2562193 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Continental - BMW

Having a crank but no starting issue? This sensor is often the culprit We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2562193
Mfg#:
13627525015
Ships on Nov 3, 2026
$89.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MAHLE Forged Piston Kit 92.50mm - S65 - 4.0L

ES#4414288 - 197843642 - MAHLE Forged Piston Kit 92.50mm - S65 - 4.0L - Forged, 4032. Phosphate + Ferroprint (Al bores) + Hard Anodized top ring groove - Mahle Motorsports - BMW

Forged, 4032. Phosphate + Ferroprint (Al bores) + Hard Anodized top ring groove

Brand:
Mahle Motorsports - Corporate Logo
ES#:
4414288
Mfg#:
197843642
Ships in 2 Business Days
$1429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAHLE Forged Piston Kit 92.50mm - S65 - 4.0L

ES#4414284 - 197843342 - MAHLE Forged Piston Kit 92.50mm - S65 - 4.0L - Forged, 4032. Phosphate + Ferroprint (Al bores) + Hard Anodized top ring groove - Mahle Motorsports - BMW

Forged, 4032. Phosphate + Ferroprint (Al bores) + Hard Anodized top ring groove

Brand:
Mahle Motorsports - Corporate Logo
ES#:
4414284
Mfg#:
197843342
Back Ordered
$1429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit

ES#24096 - 11427837997 - Oil Filter Kit - Always use a high quality oil filter to get the most life from your oil - Genuine BMW - BMW
ECS Tuning recommends this product.

Always use a high quality oil filter to get the most life from your oil

Brand:
Genuine BMW - Corporate Logo
ES#:
24096
Mfg#:
11427837997
In Stock
21% off MSRP

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

$36.25

This product was last offered at the strikethrough price on
10-18-2026

$28.50 USD
Free Shipping
on orders $49 and up

Camshaft Exhaust - Cylinder 5-8

ES#22419 - 11317841167 - Camshaft Exhaust - Cylinder 5-8 - High-performance OEM camshaft for BMW S65, ensuring precision and durability. - Genuine BMW - BMW

High-performance OEM camshaft for BMW S65, ensuring precision and durability.

Brand:
Genuine BMW - Corporate Logo
ES#:
22419
Mfg#:
11317841167
Ships in 7 Business Days
2% off MSRP

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

$1451.99

This product was last offered at the strikethrough price on
10-18-2026

$1415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Exhaust - Cylinder 1-4

ES#22418 - 11317841166 - Camshaft Exhaust - Cylinder 1-4 - High-performance OEM camshaft for BMW S65, ensuring precision and durability. - Genuine BMW - BMW

High-performance OEM camshaft for BMW S65, ensuring precision and durability.

Brand:
Genuine BMW - Corporate Logo
ES#:
22418
Mfg#:
11317841166
Ships in 7 Business Days
2% off MSRP

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

$1451.99

This product was last offered at the strikethrough price on
10-18-2026

$1415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E90 E92 M3 Turner Motorsport Stainless Steel Valved Axle Back Exhaust - Polished Tips

ES#4464472 - 013888la01-01KT - E90 E92 M3 Turner Motorsport Stainless Steel Valved Axle Back Exhaust - Polished Tips - Valved Axle back exhaust to keep your factory secondary cats! For E90 & E92 S65 cars. Featuring slant cut Polished tips. - Turner Motorsport - BMW

Valved Axle back exhaust to keep your factory secondary cats! For E90 & E92 S65 cars. Featuring slant cut Polished tips. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4464472
Mfg#:
013888LA01-01KT
Ships on Nov 12, 2026
ON SALE! SAVE 20%
$1768.99

This product was last offered at the strikethrough price on
10-05-2026

$1415.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#34221 - 13547838245 - Throttle Body - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
34221
Mfg#:
13547838245
Ships in 4 Business Days
2% off MSRP

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

$724.99

This product was last offered at the strikethrough price on
10-18-2026

$706.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Valve Spring Kit - BMW S65 Engine

ES#4313660 - ST-VSK-S65 - Supertech Valve Spring Kit - BMW S65 Engine - These springs have been thoroughly tested and performed flawlessly with nearly all the cams from Schrick. - Supertech - BMW

These springs have been thoroughly tested and performed flawlessly with nearly all the cams from Schrick.

Brand:
Supertech - Corporate Logo
ES#:
4313660
Mfg#:
ST-VSK-S65
Ships in 6 Business Days
$469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idle Control Tube

ES#33162 - 13417839097 - Idle Control Tube - Connects to the idle control unit - Genuine BMW - BMW

Connects to the idle control unit

Brand:
Genuine BMW - Corporate Logo
ES#:
33162
Mfg#:
13417839097
Ships in 1 day
4% off MSRP

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

$207.99

This product was last offered at the strikethrough price on
10-18-2026

$198.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank

ES#205509 - 16112283493 - Fuel Tank - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
205509
Mfg#:
16112283493
Ships in 7 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.

$1424.99

This product was last offered at the strikethrough price on
10-18-2026

$1377.99 USD
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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