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BMW Intake Boots & Hoses

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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BMW E8X E9X DO88 47mm Turbo Inlet Hose
BMW E8X E9X DO88 47mm Turbo Inlet Hose
47mm diameter for OE size turbocharger only.
DO88 - Corporate Logo
T#:13924834
Part#: DO88KIT213S47
Ships in 9 Business Days
$ 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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DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i 59mm
DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i 59mm
59mm diameter for vehicles with an upgraded/larger turbocharger only.
DO88 - Corporate Logo
T#:13924831
Part#: DO88KIT213S59
Ships on Sep 25, 2026
$ 325.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 325.99 USD
Free Shipping on orders $49 and up
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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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MINI R52 R53 Intercooler Couplers Red - Pair
MINI R52 R53 Intercooler Couplers Red - Pair
Alta Performance - Corporate Logo
T#:31423672
Part#: AMPENG303RD
In Stock at Vendor
$ 34.99 USD
Free Shipping on orders $49 and up
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$ 34.99 USD
Free Shipping on orders $49 and up
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MINI R52 R53 Intercooler Couplers Red - Pair offer a stylish and practical upgrade for your MINI's intercooler system. These high-temperature silicone couplers replace the OEM rubber connectors on either side of the intercooler, addressing common issues such as lost horsepower, decreased fuel economy, and poor drivability.

The MINI R52 R53 Intercooler Couplers Red - Pair provide the following benefits:

  • Enhanced Durability: Made from high-temperature silicone to withstand extreme conditions and prevent cracking.
  • Improved Performance: Replaces thin rubber connectors that can degrade over time, ensuring a more reliable seal and optimal intercooler function.
  • Stylish Upgrade: Available in vibrant red, adding a touch of color to your engine bay.
  • Versatile Fit: Compatible with both stock and aftermarket intercoolers.
  • Easy Installation: Designed for straightforward replacement with no modifications required.
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MINI R52 R53 Intercooler Couplers Blue - Pair
MINI R52 R53 Intercooler Couplers Blue - Pair
Alta Performance - Corporate Logo
T#:31423698
Part#: AMPENG303BL
In Stock at Vendor
$ 34.99 USD
Free Shipping on orders $49 and up
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$ 34.99 USD
Free Shipping on orders $49 and up
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DO88 Throttle Body Hose - Black - E36 M3 3.2
DO88 Throttle Body Hose - Black - E36 M3 3.2
DO88 - Corporate Logo
T#:13924881
Part#: DO88KIT111S
Ships on Sep 25, 2026
$ 33.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 33.99 USD
Free Shipping on orders $49 and up
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Made out of high-quality silicone, these hoses display the highest levels of durability and quality. With three to five layers of armor, the hoses are designed to withstand high pressure and heat for an extended period of time. The OE hoses are known to crack and leak but this hose kit eliminates any chance of that.
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DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i (54mm)
DO88 Turbo Inlet Hose - E9X/E8X 135i/335i/35i (54mm)
54mm diameter for vehicles with an upgraded/larger turbocharger only.
DO88 - Corporate Logo
T#:13924833
Part#: DO88KIT213S54
Ships on Sep 25, 2026
$ 325.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 325.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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!
Show More Show Less
DO88 Throttle Body Hose - Black - E36 M3 3.0
DO88 Throttle Body Hose - Black - E36 M3 3.0
DO88 - Corporate Logo
T#:13924884
Part#: DO88KIT110S
In Stock at Vendor
$ 33.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 33.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Made out of high-quality silicone, these hoses display the highest levels of durability and quality. With three to five layers of armor, the hoses are designed to withstand high pressure and heat for an extended period of time. The OE hoses are known to crack and leak but this hose kit eliminates any chance of that.
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DO88- Intake Resonator Delete, Blue - E9X
DO88- Intake Resonator Delete, Blue - E9X
test test 111
DO88 - Corporate Logo
T#:54852015
Part#: DO88-KIT232-1B
In Stock at Vendor
New Item
$ 86.99 USD
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$ 86.99 USD
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DO88 Throttle Body Hose - Blue - E36 M3 3.2
DO88 Throttle Body Hose - Blue - E36 M3 3.2
DO88 - Corporate Logo
T#:13924882
Part#: DO88KIT111B
Ships on Sep 25, 2026
$ 33.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 33.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Made out of high-quality silicone, these hoses display the highest levels of durability and quality. With three to five layers of armor, the hoses are designed to withstand high pressure and heat for an extended period of time. The OE hoses are known to crack and leak but this hose kit eliminates any chance of that.
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