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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Intake Boot (stock HFM) - E36 323/328/M3 96-99
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T#:3222
Part#: 13541740073
In Stock
$ 22.89 USD
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This intake boot connects the mass air sensor to the intake manifold. If it becomes cracked or loose it can cause unmetered air to enter the engine and trigger a check engine light. It fits BMW E36 323is 328i 328is M3 1996-1999 with either the M52 or S52 engine.

This item fits the following BMWs:
1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1997-1998 Z3 BMW Z3 2.8
1997-2000 Z3 BMW M Roadster M Roadster
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3.5" Silicone Intake Boot - black/Red - E36/Z3
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Mishimoto - Corporate Logo
T#:378427
Part#: OSEE3692IB35BK
In Stock
$ 152.99 USD
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$ 152.99 USD
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This intake Boot is made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement kit for your OEM rubber hoses
E36 Mishimoto Silicone Intake Boot (Euro/540/Porsche 3.5" HFM) ...
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Mishimoto - Corporate Logo
T#:391589
Part#: OSEE3692IB35
In Stock
Starting at $ 152.99 USD
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Starting at $ 152.99 USD
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A silicone intake boot offers many advantages over the stock accordion-style boot:

  • perfectly smooth interior surface (less turbulent air)
  • stronger and more durable (no rips to create vaccum leaks)
  • will not attract or radiate heat to the engine bay

This intake boot is the larger 3.5" size to replace the adapter and stock intake boot and delete ASC+T on E36 M3 and MZ3 models. Normally deleting ASC will require a new boot from a non-ASC model but this boot is stronger with a small power gain as a bonus. And you don't need the HFM adapter used with most HFM kits. The Mishimoto E36 boot has a perfectly smooth interior finish with no sharp angles or other obstacles for the intake air to be slowed by. Installing this boot assumes your car either does not have traction control (ASC), or you will be removing it from your car. Removing ASC is a great way to decrease intake restriction, and this intake boot is perfect for this upgrade.

This boot has two ports to work on early and late E36 models. Early cars have vaccum and the crankcase vent hoses entering the intake boot. Later models only have the vaccum hose (the crankcase vent empties into the oil dipstick. We offer an intake boot plug for the later models to plug one of these holes. You can add one from the options below.

Choose from black, blue, or red silicone.

This Mishimoto silicone intake boot fits the following BMWs: 
1995-1999 E36 M3 3.0 & 3.2 (with ASC delete) 
1998-2000 MZ3 M Roadster/Coupe (S52 engine) 

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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

Mishimoto Silicone Transition Coupler - 3in. To 3.5in. - Black ...
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Mishimoto - Corporate Logo
T#:25241773
Part#: MMCP-3035B
In Stock
$ 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.
Air Intake Boot
For vehicles with production date from 09/1998
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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#:377309
Part#: 13541705209
Ships in 1 Business Day
$ 17.99 USD
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Connects directly to the MAF
URO Throttle Body Boot - E46 M3, Z3 M
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T#:43750230
Part#: 11612466477
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$ 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#: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

Air Intake Boot
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T#:591893
Part#: 13541438759
In Stock
$ 18.39 USD
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Connects air intake tube to throttle body