BMW G01 X3 M40i B58 3.0L Engine Parts & Accessories

Thermostat controlled by the ECU for precise temperature control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
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For vehicles with the earlier B58A engine - Will not fit the B58C or B58D updated engines

Brand:

ES#:

4772485

Mfg#:

11537642854

Capable of 550+ WHP with supporting modifications - New, no core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 2020+ models with the Gen2 B58 (B58D / B58TU) engine only

Brand:

ES#:

5375071

Mfg#:

B58G2P600

This harness is the perfect solution for ReFlex+ users who want a simple, reliable, and cost-effective plug-and-play option without compromising their vehicle's stock wiring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4865971

Mfg#:

201-0409

$213.99

This product was last offered at the strikethrough price on
01-22-2026

$199.99 USD

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on orders $49 and up

Lifetime Replacement

Turbocharger to Catalytic Converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
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Brand:

ES#:

4769601

Mfg#:

18328612537

$44.99

This product was last offered at the strikethrough price on
03-26-2026

$37.99 USD

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Lifetime Replacement

Includes valve cover, gaskets, and associated hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For later models with the B58D (B58TU) engine only - Does not fit the earlier B58 Gen1 engine

Brand:

ES#:

4179406

Mfg#:

11128691779

4% off MSRP

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

$693.99

This product was last offered at the strikethrough price on
06-16-2026

$667.99 USD

Add to Cart

Lifetime Replacement

Includes the sealing gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

2986881

Mfg#:

11128655331

8% off MSRP

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

$28.19

This product was last offered at the strikethrough price on
06-16-2026

$25.85 USD

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Lifetime Replacement

Useful for the creation of many gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

11836

Mfg#:

D176404A2

Your B58 engine is a masterpiece of engineering, don’t let a plastic housing be its downfall. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5424681

Mfg#:

11428583901

GC+ Turbo Upgrade with 4' Aluminum Connector & Install Kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

4304723

Mfg#:

VTT-B58-GC+TURBO

$3269.99 USD

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Lifetime Replacement

Includes new OEM Bosch injectors and Genuine BMW installation hardware for a full refresh of your fuel injection system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with the earlier Gen1 B58 engine only

Brand:

ES#:

5425874

Mfg#:

BB58AFIRKT

$536.99 USD

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Lifetime Replacement

Replace your failure prone factory mechanical waterpump with the Geba version that includes a metal roller instead of the factory plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with the Gen1 B58 (B58A) engine only - Not compatible with the B58TU (B58D) engine

Brand:

ES#:

4643715

Mfg#:

11518632585

$96.99 USD

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Lifetime Replacement

CP-Carrillo Pistons by 5150 Autosport Standard Bore Heavy Duty Wrist Pins affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For B58 Engines With Stock 82mm Bore!

Brand:

ES#:

4752902

Mfg#:

CP-FPS-B58-XT-HD

Upgrade to The Burger Motorsport Port Injection Manifold For Increased Fueling Capabilities! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4768327

Mfg#:

BMSB58G1-PRM

Starting at $2299.00 USD

Customize

Partial Replacement

Capable of 700+ WHP with supporting modifications - New, no core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 2020+ models with the Gen2 B58 (B58D / B58TU) engine only

Brand:

ES#:

4883641

Mfg#:

GB58PURE800CAST

Supplies coolant to the turbo(s) of your BMW. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
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Brand:

ES#:

4316471

Mfg#:

0392023509

$103.99

This product was last offered at the strikethrough price on
12-22-2025

$65.99 USD

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on orders $49 and up

Lifetime Replacement

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

Brand:

ES#:

4181202

Mfg#:

17127535560

7% off MSRP

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

$141.99

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

$131.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement