BMW Intake Boots & Hoses for BMW X Series E70 (2007-2013)

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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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Rein Silicone Vacuum Hoses - Blue - 5 Meters (3.5mm ID)
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Rein - Corporate Logo
T#:379090
Part#: 11731259996-5
In Stock
Sale - Save 17% $ 38.99

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

$ 32.29 USD
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Sale - Save 17%
$ 38.99

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

$ 32.29 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. 1 1 1 1 1
Rein Cloth Braided Fuel/Vacuum Hose - Black - 5 Meter
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Rein - Corporate Logo
T#:378470
Part#: N203531-5
In Stock
Sale - Save 25% $ 80.05

This product was last offered at the strikethrough price on
07-27-2026

$ 59.84 USD
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Sale - Save 25%
$ 80.05

This product was last offered at the strikethrough price on
07-27-2026

$ 59.84 USD
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Replace your cracked or frayed fuel or vacuum lines. 3.5mm ID
Air Duct - Cylinder 5-8 (Left)
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Bremmen Parts - Corporate Logo
T#:35357257
Part#: 13717577452
In Stock
Sale - Save 20% $ 85.99

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

$ 68.54 USD
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Sale - Save 20%
$ 85.99

This product was last offered at the strikethrough price on
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$ 68.54 USD
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Air Duct - Cylinder 1-4 (Right)
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Bremmen Parts - Corporate Logo
T#:35357262
Part#: 13717577451
In Stock
Sale - Save 20% $ 85.99

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

$ 68.54 USD
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Sale - Save 20%
$ 85.99

This product was last offered at the strikethrough price on
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$ 68.54 USD
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Intake Duct for N63 engine (Left)
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URO - Corporate Logo
T#:37993412
Part#: 13717577452
Back Ordered
$ 76.55 USD
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Intake Boot to Turbocharger – Left Side (Cylinders 5-8) with Pre-installed Seal to replace your cracking intake inlet and restore your engine to peak performance!
URO Intake Duct for N63 Engine (Right)
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URO - Corporate Logo
T#:37993407
Part#: 13717577451
Back Ordered
$ 76.55 USD
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URO Intake Boot to Turbocharger – Right Side (Cylinders 1-4) with Seal, designed for the right-side turbocharger connection on cylinders 1-4. Engineered for a precise OEM fit, this durable, heat-resistant intake boot ensures optimal airflow, boosting engine efficiency and performance. Includes a pre-fitted seal for a secure, leak-free installation.
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Rein Silicone Vacuum Hoses - Black - 5 Meters (3.5mm ID)
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Rein - Corporate Logo
T#:51848535
Part#: 51731257971-5M
In Stock
New Item
Sale - Save 5% $ 38.99

This product was last offered at the strikethrough price on
08-31-2026

$ 37.04 USD
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$ 38.99

This product was last offered at the strikethrough price on
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$ 37.04 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.
Breather Hose - Crankcase Ventilation
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Bremmen Parts - Corporate Logo
T#:30629667
Part#: 11157595188
In Stock
$ 49.99

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

$ 35.99 USD
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$ 49.99

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

$ 35.99 USD
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URO - Intake Air Duct/Boot Cylinders 1-4 - E70, E71
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URO - Corporate Logo
T#:42672206
Part#: 13717848151
In Stock
$ 71.99 USD
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Restore proper airflow and performance.

URO - Corporate Logo
T#:43750228
Part#: 13717848152R
In Stock
$ 142.99 USD
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If your PCV has failed, there's no reason to buy the complete assembly. Fix the part that failed for a fraction of the price with this repair kit.
Rein Cloth Braided Fuel/Vacuum Hose - Black - 1 Meter
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Rein - Corporate Logo
T#:363139
Part#: N203531-1
In Stock
Sale - Save 5% $ 12.99

This product was last offered at the strikethrough price on
08-31-2026

$ 12.34 USD
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$ 12.99

This product was last offered at the strikethrough price on
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$ 12.34 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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Rein - Corporate Logo
T#:378472
Part#: 11731259996-1
In Stock
Sale - Save 5% $ 6.11

This product was last offered at the strikethrough price on
08-31-2026

$ 5.80 USD
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$ 6.11

This product was last offered at the strikethrough price on
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$ 5.80 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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Rein - Corporate Logo
T#:378471
Part#: N203531-20
Ships in 4 Business Days
Sale - Save 5% $ 363.52

This product was last offered at the strikethrough price on
08-31-2026

$ 345.34 USD
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$ 363.52

This product was last offered at the strikethrough price on
08-31-2026

$ 345.34 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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Rein - Corporate Logo
T#:378475
Part#: 5173125797120BLK
Ships in 4 Business Days
Sale - Save 5% $ 175.99

This product was last offered at the strikethrough price on
08-31-2026

$ 166.75 USD
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$ 175.99

This product was last offered at the strikethrough price on
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$ 166.75 USD
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Replace your cracked or frayed vacuum lines. 3.5mm
Rein Breather Hose - Crankcase Ventilation
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Rein - Corporate Logo
T#:17771604
Part#: 11157595188
Ships in 4 Business Days
Sale - Save 5% $ 41.99

This product was last offered at the strikethrough price on
08-31-2026

$ 39.89 USD
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Sale - Save 5%
$ 41.99

This product was last offered at the strikethrough price on
08-31-2026

$ 39.89 USD
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Connecting tube of the crankcase ventilation vent pipe, located in the middle, between the left and right vent pipes.