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BMW F23 230i B46 2.0L Engine Parts & Accessories

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Optima YELLOWTOP High Performance AGM Battery - H6

ES#3639387 - 9048-148 - Optima YELLOWTOP High Performance AGM Battery - H6 - Upgrade to the true dual purpose heavy duty battery with a longer life span - Optima - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade to the true dual purpose heavy duty battery with a longer life span affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 shippi

Brand:
Optima - Corporate Logo
ES#:
3639387
Mfg#:
9048-148
Ships in 3 Business Days
$468.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Throttle Booster

ES#4624166 - D440-1700 - Throttle Booster - Wireless controlled unit that allows adjustable throttle response control - Dinan - BMW MINI

Wireless controlled unit that allows adjustable throttle response control Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4624166
Mfg#:
D440-1700
In Stock
11% off MSRP

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

$310.99

This product was last offered at the strikethrough price on
06-10-2026

$275.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump & Thermostat Kit - B46 2.0L

ES#4869783 - 11518638026eKT - Water Pump & Thermostat Kit - B46 2.0L - Includes an OEM water pump, heat management module, and 1 gallon of coolant concentrate - Assembled By ECS - BMW

Includes an OEM water pump, heat management module, and 1 gallon of coolant concentrate affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4869783
Mfg#:
11518638026EKT
Ships on Jul 29, 2026
Auto Notify
ON SALE!
$395.99

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

$361.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Active Autowerke Catted Race Downpipe - B46

ES#4315330 - 11-065 - Active Autowerke Catted Race Downpipe - B46 - Strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes - featuring a 4" high flow GESI catalytic converter - Active Autowerke - BMW

Strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes - featuring a 4" high flow GESI catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
4315330
Mfg#:
11-065
Ships in 10 Business Days
5% off MSRP

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

$1499.00

This product was last offered at the strikethrough price on
06-10-2026

$1424.99 USD
Free Shipping

Aluminum Coolant Flange Connector

ES#4841460 - 11118511205 - Aluminum Coolant Flange Connector - Located on the side of the engine block, includes gasket - Rein - BMW MINI

Located on the side of the engine block, includes gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4841460
Mfg#:
11118511205
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Aluminum Skid Plate - Milled Finish - F2x/3x 2/3/4 Series

ES#4324949 - 025995tms10KT - Turner Motorsport Aluminum Skid Plate - Milled Finish - F2x/3x 2/3/4 Series - Protect your vehicle's fragile oil pan and under carriage with this 1/8 (3.175mm) thick aluminum skid plate. A rigid skid plate made in the USA with access to the drain plug without removal! Also available in a wrinkle black finish see ES4315747 - Turner Motorsport - BMW

Protect your vehicle's fragile oil pan and under carriage with this 1/8” (3.175mm) thick aluminum skid plate. A rigid skid plate made in the USA with access to the drain plug without removal! Also available in a wrinkle black finish see ES4315747 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For RWD production vehicles only

Brand:
Turner Motorsport - Corporate Logo
ES#:
4324949
Mfg#:
025995TMS10KT
In Stock
ON SALE! SAVE 15%
$583.99

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

$496.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#4751821 - 13907643106 - Fuel Tank Breather Valve - A common failure part on B48/B58/S58 fuel systems, the fuel tank breather valve prevents the fuel tank from over pressurizing. Will normally cause CEL when failed. - Bavarian Autosport - BMW

A common failure part on B48/B58/S58 fuel systems, the fuel tank breather valve prevents the fuel tank from over pressurizing. Will normally cause CEL when failed. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751821
Mfg#:
13907643106
In Stock
ON SALE! SAVE 20%
$68.99

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

$55.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Heat Exchanger - Black

ES#3987600 - 8131B - High Performance Heat Exchanger - Black - A high performance heat exchanger like this will keep the engine at a more consistent temperature and drop intake temps dramatically. - CSF - BMW

A high performance heat exchanger like this will keep the engine at a more consistent temperature and drop intake temps dramatically. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
3987600
Mfg#:
8131B
In Stock
$695.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#2755551 - 17117639020 - Coolant Expansion Tank Cap - Keep that coolant expansion tank sealed - Genuine BMW - BMW

Keep that coolant expansion tank sealed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2755551
Mfg#:
17117639020
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.

$34.96

This product was last offered at the strikethrough price on
06-08-2026

$27.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motiv ReFlex Plug-n-Play Ethanol Sensor Harness

ES#4731941 - 101-0212 - Motiv ReFlex Plug-n-Play Ethanol Sensor Harness - For Vehicles With Motiv ReFlex Unit Currently Installed - Motiv Motorsports - BMW

For Vehicles With Motiv ReFlex Unit Currently Installed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With Motiv ReFlex Unit Currently Installed Only

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4731941
Mfg#:
101-0212
In Stock
$49.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs

ES#3617648 - i48CX - Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs - Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! - Braille - BMW

Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 shippi

Brand:
Braille - Corporate Logo
ES#:
3617648
Mfg#:
I48CX
Ships in 4 Business Days
$1164.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump With Support Bracket

ES#3198168 - 11517644809 - Water Pump With Support Bracket - This is the main mechanical pump. - Genuine BMW - BMW

This is the main mechanical pump. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3198168
Mfg#:
11517644809
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.

$300.99

This product was last offered at the strikethrough price on
04-06-2026

$271.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Vapor Detection Pump

ES#4877363 - 16137448092 - Fuel Vapor Detection Pump - Provides accurate pressure necessary to identify emissions system leakage - URO - BMW

Provides accurate pressure necessary to identify emissions system leakage affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4877363
Mfg#:
16137448092
In Stock
$78.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay - Salmon Red

ES#31912 - 12631742690 - Relay - Salmon Red - Used in many places on late model BMWs - Genuine BMW - BMW MINI

Used in many places on late model BMWs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31912
Mfg#:
12631742690
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.

$24.65

This product was last offered at the strikethrough price on
06-10-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Water Pump

ES#4752776 - 11518638026 - Mechanical Water Pump - High quality replacement coolant pump - Pierburg - BMW

High quality replacement coolant pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
4752776
Mfg#:
11518638026
Ships on Jul 29, 2026
Auto Notify
$149.00

This product was last offered at the strikethrough price on
01-28-2026

$146.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Line - Turbocharger Coolant Return Line

ES#4743340 - 11538854735 - Line - Turbocharger Coolant Return Line - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4743340
Mfg#:
11538854735
In Stock
$115.68

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

$106.99 USD
Free Shipping
on orders $49 and up

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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