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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Drivetrain Parts & Accessories

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Automatic Transmission Thermostat

ES#4643547 - 17111437362 - Automatic Transmission Thermostat - This unit controls the temperature of your automatic transmission fluid - Rein - BMW

This unit controls the temperature of your automatic transmission fluid 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4643547
Mfg#:
17111437362
In Stock
$43.99

This product was last offered at the strikethrough price on
07-14-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

REVIN Short Shifter BMW Race Version - E46

Upgrade to a Race-Inspired Chassis-Mounted Short Throw Shifter! Fits all shift knobs with 12mm x 1.5.

Brand:
REVIN - Corporate Logo
ES#:
4810679
Mfg#:
REVSSKRE46
Back Ordered
Starting at $593.98 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Synchronizer - Priced Each

ES#42905 - 23211282553 - Synchronizer - Priced Each - Allows your transmission to accept gears across the rev range smoothly - Genuine BMW - BMW

Allows your transmission to accept gears across the rev range smoothly

Brand:
Genuine BMW - Corporate Logo
ES#:
42905
Mfg#:
23211282553
Ships in 4 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.

$204.99

This product was last offered at the strikethrough price on
07-28-2026

$197.99 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 Features upgraded engine mounts and E46 M3 transmission mounts, these are an excellent upgrade for your vehicle

Brand:
Genuine BMW - Corporate Logo
ES#:
2588207
Mfg#:
11812283798KT
Ships in 4 Business Days
$588.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Shift Lever Bushing

ES#4329609 - 25117519669 - Shift Lever Bushing - Attaches to transmission - Meyle - BMW

Attaches to transmission 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4329609
Mfg#:
25117519669
In Stock
$13.90

This product was last offered at the strikethrough price on
05-12-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Thermostat Kit

ES#2763810 - 17111437362KT1 - Automatic Transmission Thermostat Kit - Includes new Thermostat, Mounting Plate and Water Connection Pipe - Genuine BMW - BMW

Includes new Thermostat, Mounting Plate and Water Connection Pipe

Brand:
Genuine BMW - Corporate Logo
ES#:
2763810
Mfg#:
17111437362KT1
Ships in 4 Business Days
$375.99

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

$283.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Crossmember

ES#4350232 - 22315A0E6F2 - Manual Transmission Crossmember - Bolts to the body and secures the transmission in place - Genuine BMW - BMW

Bolts to the body and secures the transmission in place

Brand:
Genuine BMW - Corporate Logo
ES#:
4350232
Mfg#:
22315A0E6F2
Ships in 4 Business Days
4% off MSRP

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

$585.99

This product was last offered at the strikethrough price on
07-28-2026

$559.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW E46 3 Series / Z4 Rear Diff Front Mount

ES#4842874 - PFR5-4621H - BMW E46 3 Series / Z4 Rear Diff Front Mount - Powerflex Rear Diff Front Mount Bushing for the BMW E46 3 Series and Z4 is an excellent upgrade for drivers seeking improved drivetrain stability, better handling, and more efficient power delivery. - Powerflex - BMW

Powerflex Rear Diff Front Mount Bushing for the BMW E46 3 Series and Z4 is an excellent upgrade for drivers seeking improved drivetrain stability, better handling, and more efficient power delivery.

Brand:
Powerflex - Corporate Logo
ES#:
4842874
Mfg#:
PFR5-4621H
In Stock
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torque Converter Pressure Regulator Valve

ES#45427 - 24327532013 - Torque Converter Pressure Regulator Valve - Used for the torque converter - Genuine BMW - BMW

Used for the torque converter

Brand:
Genuine BMW - Corporate Logo
ES#:
45427
Mfg#:
24327532013
Ships in 4 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.

$95.99

This product was last offered at the strikethrough price on
07-28-2026

$92.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Heavy Duty Clutch Kit

ES#3493416 - k70280hdKT2 - Stage 1 Heavy Duty Clutch Kit - Ideal for the spirited daily-driver. Rated at 295ft/lbs. - South Bend Clutch - BMW

Ideal for the spirited daily-driver. Rated at 295ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3493416
Mfg#:
K70280HDKT2
Ships in 2 Business Days
$553.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Service Kit - Level 2

ES#2523327 - 24341423376 - Automatic Transmission Service Kit - Level 2 - Includes all the necessary components for a complete transmission service - Assembled By ECS - BMW

Includes all the necessary components for a complete transmission service 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 03/2000

Brand:
Assembled By ECS - Corporate Logo
ES#:
2523327
Mfg#:
24341423376
In Stock
ON SALE!
$183.74 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Differential Pinion Mount Bush Kit

ES#3045878 - SPF4330K - Differential Pinion Mount Bush Kit - Higher performance and a longer service life - precision-engineered to be superior to your stock rubber parts! - SuperPro - BMW

Higher performance and a longer service life - precision-engineered to be superior to your stock rubber parts!

Brand:
SuperPro - Corporate Logo
ES#:
3045878
Mfg#:
SPF4330K
In Stock at Vendor
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Axle Nut - Priced Each

ES#1306572 - 33411132565 - Rear Axle Nut - Priced Each - Replace your axle nuts each time they are removed - Febi - BMW

Replace your axle nuts each time they are removed 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
1306572
Mfg#:
33411132565
In Stock
$7.99

This product was last offered at the strikethrough price on
04-16-2026

$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Line Bracket - Priced Each

ES#38504 - 17201712210 - Automatic Transmission Line Bracket - Priced Each - These are used to support the transmission lines - Genuine BMW - BMW

These are used to support the transmission lines

Brand:
Genuine BMW - Corporate Logo
ES#:
38504
Mfg#:
17201712210
Ships in 4 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.

$31.99

This product was last offered at the strikethrough price on
07-28-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Short shifter V3 - Black Reverse Button

ES#3477074 - IRPSS-3B - Universal Short shifter V3 - Black Reverse Button - A performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank! - IRP - Individual Racing Parts - BMW

A performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank!

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
3477074
Mfg#:
IRPSS-3B
Special Order: No Guaranteed ETA
$536.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Drivetrain Parts & Accessories

Put your power to the wheels where it belongs, and keep drivetrain components mounted securely for comfort and safety. Our Drivetrain Components Section has a huge assortment of parts and fluids for transmissions, differentials, driveshafts, drivetrain mounts, drivetrain bushings, and drive hubs, plus special tools to make repairs easy.

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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