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BMW E46 M3 S54 3.2L

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BMW E46 M3 S54 3.2L Engine Parts & Accessories

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Voltage Regulator - 90amp/120amp

ES#2568298 - 12317559183 - Voltage Regulator - 90amp/120amp - For Bosch 90A & 120A alternators only - Bosch - BMW

For Bosch 90A & 120A alternators only 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2568298
Mfg#:
12317559183
In Stock
$37.99

This product was last offered at the strikethrough price on
04-13-2026

$37.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Boot kit

ES#2992316 - 11617830265KT - Throttle Body Boot kit - Includes new original BMW boots & clamps, plus Schwaben Ear-Type clamp pliers to complete the install - Assembled By ECS - BMW

Includes new original BMW boots & clamps, plus Schwaben Ear-Type clamp pliers to complete the install 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 10/2004

Brand:
Assembled By ECS - Corporate Logo
ES#:
2992316
Mfg#:
11617830265KT
Ships on Sep 1, 2026
Auto Notify
$296.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motor And Transmission Mount Kit

ES#2588207 - 11812283798KT - Motor And Transmission Mount Kit - Includes all mounting hardware - Genuine BMW - BMW

Includes all mounting hardware

Brand:
Genuine BMW - Corporate Logo
ES#:
2588207
Mfg#:
11812283798KT
Ships in 1-2 days
$588.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rubber Seal - Priced Each

ES#2952081 - 11127830972 - Rubber Seal - Priced Each - Used on the valve cover cap nuts - Victor Reinz - BMW

Used on the valve cover cap nuts

Brand:
Victor Reinz - Corporate Logo
ES#:
2952081
Mfg#:
11127830972
In Stock
$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

Return Pipe

ES#25220 - 11537838756 - Return Pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
25220
Mfg#:
11537838756
Ships in 5 Business Days
1% off MSRP

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

$587.99

This product was last offered at the strikethrough price on
08-11-2026

$583.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#2561360 - 12617508003 - Oil Level Sensor - Turn that oil level light off - URO - BMW

Turn that oil level light off 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2561360
Mfg#:
12617508003
Ships in 2 Business Days
$63.99 USD
Free Shipping
on orders $49 and up

Hydraulic Alternator Belt Tensioner Assembly

ES#21813 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Genuine BMW - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley

Brand:
Genuine BMW - Corporate Logo
ES#:
21813
Mfg#:
11287838797
Ships in 3 Business Days
6% off MSRP

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

$304.99

This product was last offered at the strikethrough price on
08-11-2026

$286.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main/Crankshaft Seal Kit

ES#3603991 - 11142247867KT - Rear Main/Crankshaft Seal Kit - Includes new rear main seal, oil pan gasket, and oil service kit - Assembled By ECS - BMW

Includes new rear main seal, oil pan gasket, and oil service kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3603991
Mfg#:
11142247867KT
Ships in 2 Business Days
ON SALE!
$316.02

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

$286.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Fan Mounting Kit

ES#4001106 - 30130011KT - Fan Mounting Kit - Includes 4 mounting straps/brackets to securely mount your SPAL fan. - Spal - BMW

Includes 4 mounting straps/brackets to securely mount your SPAL fan.

Brand:
Spal - Corporate Logo
ES#:
4001106
Mfg#:
30130011KT
In Stock
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Aluminum Valve Cover

ES#4820860 - 11127838754 - Replacement Aluminum Valve Cover - Replace Your S54's Old Leaky Valve Cover! - URO - BMW

Replace Your S54's Old Leaky Valve Cover! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4820860
Mfg#:
11127838754
Ships in 2 Business Days
$569.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Alternator/Water Pump

ES#21808 - 11287837898 - Accessory Belt - Alternator/Water Pump - Keep your accessories turning - Genuine BMW - BMW

Keep your accessories turning

Brand:
Genuine BMW - Corporate Logo
ES#:
21808
Mfg#:
11287837898
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.

$60.99

This product was last offered at the strikethrough price on
08-11-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ISA Screw With Washer

ES#16141 - 07129905537 - ISA Screw With Washer - M6X30 - Genuine BMW - BMW

M6X30

Brand:
Genuine BMW - Corporate Logo
ES#:
16141
Mfg#:
07129905537
In Stock
$4.99

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

$2.99 USD
Free Shipping
on orders $49 and up
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 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

Oil Pressure Switch - M12x1.5

ES#2873941 - 12617568480 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - Febi - BMW
ECS Tuning recommends this product.

Leaking or malfunctioning oil pressure switches can be disastrous 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873941
Mfg#:
12617568480
In Stock
$9.99 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.

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