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BMW Intake Boots & Hoses for BMW X Series E84 (2013-2015)

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)

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379090

Part#: 11731259996-5

In Stock

$ 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

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

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

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

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.

DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i 59mm

59mm diameter for vehicles with an upgraded/larger turbocharger only.

T#:13924831

Part#: DO88KIT213S59

Ships on Aug 20, 2026

$ 325.99 USD

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$ 325.99 USD

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Boasting 59% more airflow, this inlet pipe will let your engine breathe better than ever before! Designed to reduce backpressure, this lets the turbo take in more air giving you more power and better performance!

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BMW E8X E9X DO88 47mm Turbo Inlet Hose

47mm diameter for OE size turbocharger only.

T#:13924834

Part#: DO88KIT213S47

In Stock

$ 325.99 USD

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$ 325.99 USD

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BMW E8X E9X DO88 47mm Turbo Inlet Hose is engineered to significantly enhance engine performance by improving airflow. Turner Motorsport offers this high-quality inlet hose to optimize turbo efficiency and overall power.

Increased Airflow: Boasts 59% more airflow compared to standard hoses, allowing your engine to breathe more effectively.
Reduced Backpressure: Designed to lower backpressure, enabling the turbo to intake more air for improved power and performance.
Enhanced Performance: Supports higher power output and better throttle response, contributing to a more dynamic driving experience.
High-Quality Construction: Made from durable materials to ensure long-lasting performance and reliability under high-stress conditions.

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

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

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

DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i (54mm)

54mm diameter for vehicles with an upgraded/larger turbocharger only.

T#:13924833

Part#: DO88KIT213S54

Ships on Aug 10, 2026

$ 325.99 USD

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$ 325.99 USD

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Boasting 59% more airflow, this inlet pipe will let your engine breathe better than ever before! Designed to reduce backpressure, this lets the turbo take in more air giving you more power and better performance!

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Kayser O-Ring

T#:584199

Part#: 13717568031

In Stock

$ 7.50 USD

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$ 7.50 USD

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Charge pipe to throttle body O Ring

Rein Silicone Vacuum Hoses - Blue - 3 Feet

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

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 Silicone Vaccum Hose - Black - 65 Feet

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

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

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

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:378471

Part#: N203531-20

Ships in 3 Business Days

$ 363.52 USD

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Qty

$ 363.52 USD

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

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