BMW G01 X3 M40i B58 3.0L Performance Engine Parts

Add increased horsepower and torque throughout the entire powerband, and an aggressive sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4869774

Mfg#:

CTS-IT-942

$299.99 USD

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Lifetime Replacement

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:

ES#:

4624166

Mfg#:

D440-1700

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
05-10-2026

$275.99 USD

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Lifetime Replacement

With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4430607

Mfg#:

KIES07-WIFI-AD

$99.99 USD

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on orders $49 and up

Lifetime Replacement

Capable of 800+ WHP with supporting modifications - New, no core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For early models with the B58 Gen1 Engine Only

Brand:

ES#:

5375068

Mfg#:

B58G1P900

90lb/hr 950cc per minute set of 6 fuel injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Custom Applications - Will require additional tuning or modifications. NOT DIRECT DROP IN!

Brand:

ES#:

4488474

Mfg#:

16U-00-0090-6

$524.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Capable of 700+ WHP with supporting modifications - Includes a refundable $800 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For early models with the B58 Gen1 Engine Only

Brand:

ES#:

5375052

Mfg#:

B58G1P800KT

$3332.99 USD

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Partial Replacement

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

2500608

Mfg#:

MM0CCCF

$162.99 USD

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on orders $49 and up

Lifetime Replacement

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:

ES#:

4731941

Mfg#:

101-0212

$49.00 USD

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on orders $49 and up

Lifetime Replacement

Reduces coolant temperatures by as much as 30*F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

261427

Mfg#:

80204

50lb/hr 550cc per minute set of 6 fuel injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Custom Applications - Will require additional tuning or modifications. NOT DIRECT DROP IN!

Brand:

ES#:

4488476

Mfg#:

16U-00-0050-6

$403.99

This product was last offered at the strikethrough price on
06-02-2026

$399.00 USD

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Lifetime Replacement

Features a double o-ring seal and water/methanol injection bungs. Available with or without a Turbosmart Raceport BOV! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For B58TU Gen 2 Equipped vehicles only!
For 2020+ models with the Gen2 B58 (B58TU / B58D) engine only

Brand:

ES#:

4715334

Mfg#:

B58G2CP

Starting at $299.00 USD

Customize

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on orders $49 and up

Lifetime Replacement

Experience the perfect blend of sound, performance, and style with the MAD Catback Exhaust System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4906493

Mfg#:

MAD-106-BLACK

The highest performance intake manifold currently on the market for the Gen 2 B58 engine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

4742539

Mfg#:

8400

EO#:

D-770