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BMW E31 850i Intake Boot Parts

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Universal Throttle Body Coupler - 45 Degree 2.5" (63.50mm)

ES#2893839 - 003402ECS03A-16 - Universal Throttle Body Coupler - 45 Degree 2.5" (63.50mm) - A high-quality component for your next project - ECS - BMW

A high-quality component for your next project affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2893839
Mfg#:
003402ECS03A-16
In Stock
ON SALE! SAVE 40%
$38.99

This product was last offered at the strikethrough price on
05-02-2026

$23.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3in. To 3.5in. Silicone Transition Coupler - Black

ES#4752879 - MMCP-3035B - 3in. To 3.5in. Silicone Transition Coupler - Black - High-quality silicone transition coupler for use with air intakes, intercooler piping, and more! - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI

High-quality silicone transition coupler for use with air intakes, intercooler piping, and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4752879
Mfg#:
MMCP-3035B
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coupler - Straight 3 5/8" ID (92mm) x 3" L

ES#2718048 - 003402ECS01A-07 - Silicone Coupler - Straight 3 5/8" ID (92mm) x 3" L - A high-quality component for your next project - ECS - BMW MINI

A high-quality component for your next project affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2718048
Mfg#:
003402ECS01A-07
In Stock
ON SALE! SAVE 40%
$39.99

This product was last offered at the strikethrough price on
05-02-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Air Intake Boots - Cylinders 1 - 12 & Lower Air Box Boot Kit

ES#4876725 - 13711733302KT - Rubber Air Intake Boots - Cylinders 1 - 12 & Lower Air Box Boot Kit - Complete intake boot kit for your BMW E31 at a much lower cost than Genuine - Assembled By ECS - BMW

Complete intake boot kit for your BMW E31 at a much lower cost than Genuine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876725
Mfg#:
13711733302KT
Ships on Jun 23, 2026
$208.99

This product was last offered at the strikethrough price on
04-26-2026

$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Intake Boot Parts

A common source of vacuum leaks and idle surging is from a torn and cracked intake boot that's seen better days. Replace a failed or failing intake boot with a brand-new OEM intake boot or high-quality aftermarket intake boot to seal up those vacuum leaks!

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Manufacturer names and/or part numbers are used only for identification purposes.

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