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BMW Intake Boots & Hoses for BMW Z4 M Roadster S54 (2003-2008)

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

Genuine BMW Hose - 11617835861 - E46,E85,E46 M3,E85 Z4M

T#:36635

Part#: 11617835861

Ships in 3 Business Days

5% off MSRP $ 36.01

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 34.08 USD

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5% off MSRP

$ 36.01

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 34.08 USD

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Genuine BMW Hose
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

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

T#:51848535

Part#: 51731257971-5M

In Stock

$ 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.

Genuine BMW Connection Pipe - 13417839843 - E46 M3,E85

T#:41768

Part#: 13417839843

Ships in 6 Business Days

3% off MSRP $ 32.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 32.00 USD

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3% off MSRP

$ 32.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 32.00 USD

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Replacement pipe for idle regulator system. Genuine BMW Connection Pipe This item fits the following BMW Chassis: E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4 Fits BMW Engines including: S54

Genuine BMW Vacuum Hose

T#:37535

Part#: 11747797129

In Stock

Sale - Save 7% $ 42.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 38.85 USD

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Qty

Sale - Save 7%

$ 42.00

This product was last offered at the strikethrough price on
06-15-2026

$ 38.85 USD

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Genuine BMW Vacuum Hose Black - 3,5X2,0

Air Tube - E46, Z3, Z4

T#:41753

Part#: 13417836093

Back Ordered

2% off MSRP $ 98.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 96.99 USD

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Qty

2% off MSRP

$ 98.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 96.99 USD

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Genuine BMW Air Tube
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

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

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

We Price Match - Give Us A Call or Chat!

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

1 Meter Vacuum Hose (3.5x7.5)

We Price Match - Give Us A Call or Chat!

T#:9448313

Part#: 11727545323-1M

In Stock

$ 7.99 USD

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$ 7.99 USD

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Used in many locations on the engine

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

Genuine BMW Hose Clamp 07129952104

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

Vacuum Hose (3.5x7.5) - 1 Meter

T#:53644191

Part#: 11727545323-1

In Stock

$ 41.99 USD

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$ 41.99 USD

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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

URO Throttle Body Boot - E46 M3, Z4 M

2X Entries For Our G87 M2 Sweepstakes!

T#:43750229

Part#: 11617835861

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.

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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$ 363.52 USD

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

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