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Rein BMW Intake Boots & Hoses for BMW 3 Series E36 (1992-1998)

Clear BMW chassis

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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Rein Silicone Vacuum Hoses - Blue - 5 Meters (3.5mm ID)

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T#:379090

Part#: 11731259996-5

In Stock at Vendor

$ 38.99

This product was last offered at the strikethrough price on
03-17-2026

$ 33.99 USD

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$ 33.99 USD

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This silicone hose has an inner diameter of 3.5mm and outer diameter of 7.5mm, is blue in color, and arrives in a 5 Meter section that can be cut down to size.

Rein Cloth Braided Fuel/Vacuum Hose - Black - 5 Meter

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T#:378470

Part#: N203531-5

In Stock

$ 80.05

This product was last offered at the strikethrough price on
06-09-2026

$ 62.99 USD

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$ 62.99 USD

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

Intake Boot

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T#:586997

Part#: 13541740073

In Stock

$ 44.99

This product was last offered at the strikethrough price on
05-29-2026

$ 30.99 USD

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$ 30.99 USD

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Rein Silicone Vacuum Hoses - Black - 5 Meters (3.5mm ID)

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T#:51848535

Part#: 51731257971-5M

In Stock at Vendor

$ 38.66 USD

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$ 38.66 USD

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This silicone hose has an inner diameter of 3.5mm and outer diameter of 7.5mm, is black in color, and arrives in a 5 Meter section that can be cut down to size.

Air Intake Boot

For vehicles without ASC

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T#:402026

Part#: 13711247031

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$ 21.99 USD

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$ 21.99 USD

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Connects to throttle body

OEM Rein Air Hose - E36 M42 1.8L

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T#:7207

Part#: 13411739650

Back Ordered

$ 30.99 USD

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$ 30.99 USD

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The rubber hose connects the idle air control valve to the intake boot.

This item fits the following BMW Chassis:
E36

Fits BMW Engines including:
M42

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

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T#:363139

Part#: N203531-1

In Stock

$ 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

Rein Silicone Vacuum Hoses - Blue - 3 Feet

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T#:378472

Part#: 11731259996-1

Ships in 1 Business Day

$ 6.11 USD

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$ 6.11 USD

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Replace your cracked or frayed vacuum lines. 3.5mm

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

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T#:378471

Part#: N203531-20

Ships in 3 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

Rein Silicone Vaccum Hose - Black - 65 Feet

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T#:378475

Part#: 5173125797120BLK

Ships in 3 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

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