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BMW Intake Boots & Hoses for BMW Z3 (1996-2002)

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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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Bremmen Air Intake Boot - E46 Z3 M52 M54

For vehicles with production date from 09/1998

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T#:640143

Part#: 13541705209

In Stock

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This product was last offered at the strikethrough price on
05-03-2026

$ 17.13 USD

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Sale - Save 22%

$ 21.99

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$ 17.13 USD

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This intake boot connects to the mass air sensor.

Rein Cloth Braided Fuel/Vacuum Hose - Black - 1 Meter

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T#:363139

Part#: N203531-1

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$ 12.99 USD

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$ 12.99 USD

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Replace your cracked or frayed fuel or vacuum lines. 3.5mm ID

Air Intake Boot

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T#:375337

Part#: 13541438761

In Stock

$ 24.99

This product was last offered at the strikethrough price on
04-09-2026

$ 16.99 USD

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$ 16.99 USD

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Connects mass airflow sensor to air intake tube

Rein Air Intake Boot - E46, Z3

For vehicles with production date from 09/1998

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T#:555163

Part#: 13541705209

In Stock

$ 17.99 USD

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$ 17.99 USD

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Connects directly to the MAF

Conti Tech Vacuum Hose (3.5x7.5) - 1 Meter

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T#:374693

Part#: 11727545323

In Stock

$ 8.25 USD

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$ 8.25 USD

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Used in many locations on the engine

Rein Silicone Vacuum Hoses - Blue - 3 Feet

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T#:378472

Part#: 11731259996-1

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$ 6.11 USD

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$ 6.11 USD

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Replace your cracked or frayed vacuum lines. 3.5mm

Nozzle Mounting adapter for hose

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T#:31522909

Part#: 40110

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$ 31.99 USD

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$ 31.99 USD

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OEM Febi Air Intake Boot - E46, Z3 M54 3.0L

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T#:38419108

Part#: 13541438759

Special Order: No Guaranteed ETA

$ 25.99 USD

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$ 25.99 USD

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Located between the MAF sensor and the throttle body, this boot is a common source of CELs when the rubber cracks.

Genuine BMW Hose Clamp 07129952104

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T#:6533

Part#: 07129952104

In Stock

$ 3.99 USD

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$ 3.99 USD

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GENUINE BMW HOSE CLAMP 07129952104

Air Intake Boot

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T#:39295550

Part#: 13541438759

In Stock

Sale - Save 22% $ 20.99

This product was last offered at the strikethrough price on
05-03-2026

$ 16.31 USD

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$ 20.99

This product was last offered at the strikethrough price on
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$ 16.31 USD

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Mishimoto Silicone Transition Coupler - 3in. To 3.5in. - Black ...

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T#:25241773

Part#: MMCP-3035B

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$ 11.99 USD

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$ 11.99 USD

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This transition coupler is constructed of high-quality heat resistant silicone, making it useful for fitting air intakes, intercooler piping, and more.

1 Meter Vacuum Hose (3.5x7.5)

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T#:9448313

Part#: 11727545323-1M

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$ 7.99 USD

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$ 7.99 USD

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Used in many locations on the engine

Vacuum Hose (3.5x7.5) - 1 Meter

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T#:53644191

Part#: 11727545323-1

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$ 41.99 USD

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$ 41.99 USD

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OEM Rein Air Intake Boot - E46 Z3

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T#:386410

Part#: 13541438759

In Stock

$ 29.99

This product was last offered at the strikethrough price on
06-29-2026

$ 19.99 USD

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$ 19.99 USD

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This intake boot connects directly to the throttle body. Susceptible to cracking over time, this boot could be the cause of a check engine light, showing that the engine is running lean, and rough idle issues.

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Febi Air Intake Boot - E39, E46, Z3

For vehicles with production date from 09/1998

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T#:381821

Part#: 13541435627

In Stock at Vendor

$ 20.18

This product was last offered at the strikethrough price on
05-11-2026

$ 17.71 USD

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$ 17.71 USD

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Connects directly to the throttle body

Rein Cloth Braided Fuel/Vacuum Hose - Black - 20 Meter

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T#:378471

Part#: N203531-20

Ships in 4 Business Days

$ 363.52 USD

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$ 363.52 USD

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Replace your cracked or frayed fuel or vacuum lines. 3.5mm ID

Air Intake Boot

For vehicles with production date from 09/1998

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:377526

Part#: 13541435627

Ships in 1 Business Day

$ 12.99 USD

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$ 12.99 USD

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Connects directly to the throttle body

Air Intake Boot

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T#:591893

Part#: 13541438759

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$ 18.39 USD

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$ 18.39 USD

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Connects air intake tube to throttle body

Rein Silicone Vaccum Hose - Black - 65 Feet

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T#:378475

Part#: 5173125797120BLK

Ships in 4 Business Days

$ 175.99 USD

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$ 175.99 USD

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Replace your cracked or frayed vacuum lines. 3.5mm

URO Throttle Body Boot - E46 M3, Z3 M

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T#:43750230

Part#: 11612466477

Ships in 1 Business Day

$ 25.99 USD

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$ 25.99 USD

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This hose attaches the intake plenum to the throttle body, six required per vehicle.

Air Intake Boot

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T#:377309

Part#: 13541705209

Ships in 1 Business Day

$ 17.99 USD

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$ 17.99 USD

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Connects directly to the MAF

Air Intake Boot

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T#:377276

Part#: 13541703588

Ships in 1 Business Day

$ 29.99

This product was last offered at the strikethrough price on
04-10-2026

$ 19.65 USD

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$ 19.65 USD

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Located between mass air flow meter and intake manifold

Rein Air Intake Boot - E39, E46, Z3

For vehicles with production date from 09/1998

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:362650

Part#: 13541435627

In Stock

$ 16.99

This product was last offered at the strikethrough price on
06-11-2026

$ 14.99 USD

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$ 14.99 USD

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Connects directly to the throttle body

Forge Silicone Vacuum Hoses

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T#:558490

Part#: FORGEVAC

Ships in 7 Business Days

Sale - Save 10% $ 14.99

This product was last offered at the strikethrough price on
07-01-2026

Starting at $ 13.46 USD

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Sale - Save 10%

$ 14.99

This product was last offered at the strikethrough price on
07-01-2026

Starting at $ 13.46 USD

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Car suffering from vacuum leaks? Choose from a 4mm, 5mm, or 6mm diameter vacuum hose from Forge to fix your leak and bring your BMW back to life.

3" To 2.5" Silicone Coupler 3" Length

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T#:363896

Part#: 003402ECS04A-02

Ships on Sep 8, 2026

Sale - Save 10% $ 9.99

This product was last offered at the strikethrough price on
06-13-2026

$ 8.99 USD

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Sale - Save 10%

$ 9.99

This product was last offered at the strikethrough price on
06-13-2026

$ 8.99 USD

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3" To 2.5" Silicone Coupler 3" Length

Enhance the performance and durability of your BMW or MINI with the 3" To 2.5" Silicone Coupler 3" Length. This silicone coupler provides a reliable connection between components, ensuring optimal airflow and reducing the risk of leaks. Engineered for durability and heat resistance, it withstands high temperatures and harsh conditions. Upgrade your BMW or MINI with this premium silicone coupler for improved performance.

Reliable connection for optimal airflow
Reduces the risk of leaks for enhanced performance
Engineered for durability and heat resistance
Fits both BMW and MINI models

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4MM Silicone Vacuum Hose - Blue - 9 Feet

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T#:370917

Part#: VC04

In Stock

Sale - Save 10% $ 14.99

This product was last offered at the strikethrough price on
07-01-2026

$ 13.46 USD

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Qty

Sale - Save 10%

$ 14.99

This product was last offered at the strikethrough price on
07-01-2026

$ 13.46 USD

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Car suffering from vacuum leaks? This vacuum hose has a 4mm inner diameter.

4MM Silicone Vacuum Hose - Black - 9 Feet

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T#:370919

Part#: VC04B

In Stock

Sale - Save 10% $ 14.99

This product was last offered at the strikethrough price on
07-01-2026

$ 13.46 USD

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Qty

Sale - Save 10%

$ 14.99

This product was last offered at the strikethrough price on
07-01-2026

$ 13.46 USD

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Car suffering from vacuum leaks? This vacuum hose has a 4mm inner diameter.

3MM Silicone Vacuum Hose - Red - 9 Feet

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T#:370915

Part#: VC03R

Back Ordered

Sale - Save 10% $ 14.99

This product was last offered at the strikethrough price on
07-01-2026

$ 13.46 USD

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Qty

Sale - Save 10%

$ 14.99

This product was last offered at the strikethrough price on
07-01-2026

$ 13.46 USD

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Upgrade Your BMW with Forge 3MM Silicone Vacuum Hose - Red - 9 Feet

Upgrade your BMW's vacuum system with the Forge 3MM Silicone Vacuum Hose in Red, a high-quality solution designed for optimal performance and durability. This 9-foot silicone vacuum hose provides superior flexibility and resistance to extreme temperatures, making it ideal for various automotive applications. Engineered with precision, it ensures reliable vacuum pressure for efficient engine operation and component functionality. Whether you're replacing worn-out hoses or customizing your BMW's vacuum setup, the Forge Silicone Vacuum Hose offers reliability and performance you can trust.

High-quality silicone construction for durability
Superior flexibility for easy installation
Resistant to extreme temperatures
Ensures reliable vacuum pressure for efficient engine operation
Ideal for various automotive applications

Car suffering from vacuum leaks? This vacuum hose has a 3mm inner diameter.

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