BMW Intake Boots & Hoses for BMW 3 Series G20 (2019+)

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The intake boot provides a pathway for air from the air flow sensor to the intake manifold. On most BMWs the boot is made of rubber with an accordian shape that allows the engine to shift and vibrate. As with any rubber component the rubber can dry out and crack and that can lead to serious running and drivability issues. A crack in the boot means that air is entering the engine that is not being monitored by the airflow sensor. The engine computer relies on data from the airflow sensor to set the fuel mixture in the engine. Excess unmetered air can result in lean condition faults, rough running, misfires, and other performance issues. For misfire and lean condition faults, check your intake boots first.

As an alternative to the original rubber, we also offer silicone boots that are both stronger and last longer with a 4-layer silicone design. Samco silicone boots can also decrease your BMW's intake turbulence and restriction by replacing the accordian design with a smoothed internal surface. Samco boots are also perfect as part of a kit to eliminate the factory traction control system (sometimes called an ASC delete boot).
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CTS High Flow Turbo Inlet - Supra A90/A91 And G20 M340i G29 M40i B58C (B58TU)
CTS High Flow Turbo Inlet - Supra A90/A91 And G20 M340i G29 M40i B58C...
CTS - Corporate Logo
T#:21176909
Part#: CTS-HW-450
Back Ordered
Sale - Save 15% $ 149.99

This product was last offered at the strikethrough price on
09-29-2026

$ 127.49 USD
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Sale - Save 15%
$ 149.99

This product was last offered at the strikethrough price on
09-29-2026

$ 127.49 USD
Free Shipping
Add to Wish List
CTS Turbo is proud to announce our High Flow Turbo Inlet for Toyota Supra A90/A91 and BMW G20 M340i and G29 Z4 M40i with B58C 3.0L turbo engines. We designed our inlet to work with our intake system and it is compatible with the OEM intake system. Our inlet will provide more sound and flow compared to stock. This will improve throttle response, more power and reliability. Simple installation takes 10 minutes and can be done using basic hand tools. Product features: Large inside diameter for extremely high flow Cast aluminum with CNC machined flanges Compatible with most intake systems, including stock Durable aluminum construction, will not break like factory plastic part Simple installation Faster turbo spool, more airflow, improved turbo sound! Fitment: Toyota Supra A90/A91 B58C 3.0 (2020-present) BMW G29 Z4 M40i B58C 3.0 (2019-present) BMW G20 M340i B58c 3.0 (2020-present) Replaces the plastic turbo inlet that is found with BMW part number 13718656983
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BMW B46 B48 Crankcase Vent Hose
BMW B46 B48 Crankcase Vent Hose
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:28138187
Part#: 11157623745
In Stock
Sale - Save 25% $ 53.99

This product was last offered at the strikethrough price on
09-16-2026

$ 40.49 USD
Free Shipping on orders $49 and up
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Sale - Save 25%
$ 53.99

This product was last offered at the strikethrough price on
09-16-2026

$ 40.49 USD
Free Shipping on orders $49 and up
Add to Wish List

BMW B46 B48 Crankcase Vent Hose

Looking for a high-quality crankcase vent hose replacement for your BMW B46 or B48 engine? Turner Motorsport presents the BMW B46 B48 Crankcase Vent Hose. This vent hose ensures efficient ventilation of the crankcase, preventing pressure buildup and maintaining optimal engine performance. Crafted with durable materials and precision engineering, it offers the following benefits:

  • Efficient ventilation of the crankcase
  • Prevents pressure buildup for optimal engine performance
  • Crafted with durable materials for long-lasting use
  • Compatible with BMW B46 and B48 engines for easy installation
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