BMW G02 X4 M40i B58 3.0L Engine Parts & Accessories

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

Includes housing, gasket, filter and cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For earlier vehicles with the Gen1 B58 (B58A) - not compatible with the B58TU (B58D) engine

Brand:

ES#:

2993006

Mfg#:

11428583895

5% off MSRP

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

$459.99

This product was last offered at the strikethrough price on
06-30-2026

$435.99 USD

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on orders $49 and up

Lifetime Replacement

Restore fuel mileage and performance with a brand new air filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:

ES#:

3676610

Mfg#:

13718577170

$26.99 USD

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on orders $49 and up

Lifetime Replacement

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!

Brand:

ES#:

4742539

Mfg#:

8400

EO#:

D-770

Includes gasket, hardware, and integrated PCV valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with the Gen1 B58 engine (B58A)

Brand:

ES#:

4781509

Mfg#:

11127645173

$309.00 USD

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Lifetime Replacement

Eliminate crankcase pressure with one easy breather! Two Prong for Stock Valve Cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For models with the Gen2 B58 or B48 engines only (B58TU / B48TU)

Brand:

ES#:

4755601

Mfg#:

VTTB58BREATHERTU

$128.99 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

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on orders $49 and up

Lifetime Replacement

Capable of 550+ 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#:

5375066

Mfg#:

B58G1P600

Genuine BMW Valve Cover with PCV Valve and gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with the Gen1 B58 engine (B58A)

Brand:

ES#:

2993793

Mfg#:

11127645173

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
06-30-2026

$667.99 USD

Add to Cart

Lifetime Replacement

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

Brand:

ES#:

3243700

Mfg#:

11118619408

2% off MSRP

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

$45.99

This product was last offered at the strikethrough price on
06-30-2026

$44.99 USD

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on orders $49 and up

Lifetime Replacement

Rubber seal ring for intake system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3015822

Mfg#:

11618637800

7% off MSRP

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

$14.99

This product was last offered at the strikethrough price on
06-30-2026

$13.99 USD

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on orders $49 and up

Lifetime Replacement

Notorious for failure on most BMWs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

2993799

Mfg#:

11157637521

$62.95

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

$59.99 USD

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on orders $49 and up

Lifetime Replacement

B58 Gen 2, Level 1 kit - 5150-TBK-B58-G2-L1 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4865961

Mfg#:

5150-TBK-B58-G2-

Alter parameters and fine-tune � wirelessly! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.

Brand:

ES#:

3508698

Mfg#:

JB4-BT

$149.00

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

$99.00 USD

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Lifetime Replacement