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BMW E31 850Ci M70 5.0L

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BMW E31 850Ci M70 5.0L 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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2893839
Mfg#:
003402ECS03A-16
In Stock
ON SALE! SAVE 25%
$39.99

This product was last offered at the strikethrough price on
06-13-2026

$29.99 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 MINI

High-quality silicone transition coupler for use with air intakes, intercooler piping, and more!

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

Intake Boot Kit

ES#2863083 - 13711733301KT - Intake Boot Kit - Replace all your intakes boots at once to ensure a leak free intake system. Featuring brand new boots and premium ECS stainless steel hose clamps. - Assembled By ECS - BMW

Replace all your intakes boots at once to ensure a leak free intake system. Featuring brand new boots and premium ECS stainless steel hose clamps. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2863083
Mfg#:
13711733301KT
Ships in 1 day
$529.99

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

$458.99 USD
Free Shipping
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 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

Air Intake Boot

ES#34913 - 13711729992 - Air Intake Boot - Commonly rots and falls apart after years in the elements - Genuine BMW - BMW

Commonly rots and falls apart after years in the elements

Brand:
Genuine BMW - Corporate Logo
ES#:
34913
Mfg#:
13711729992
Ships in 2 Business Days
$82.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rubber Air Intake Boot - Cylinder 1-6

ES#4876460 - 13711733301 - Rubber Air Intake Boot - Cylinder 1-6 - Best alternative to Genuine BMW intake boot at half the price for your E31 - V12Throttle - BMW

Best alternative to Genuine BMW intake boot at half the price for your E31

Brand:
V12Throttle - Corporate Logo
ES#:
4876460
Mfg#:
13711733301
In Stock
Limited Qty Sale
$59.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Air Intake Boot - Cylinder 7-12

ES#4876458 - 13711733302 - Rubber Air Intake Boot - Cylinder 7-12 - Best alternative to Genuine BMW intake boot at half the price for your E31 - V12Throttle - BMW

Best alternative to Genuine BMW intake boot at half the price for your E31

Brand:
V12Throttle - Corporate Logo
ES#:
4876458
Mfg#:
13711733302
Ships on Aug 25, 2026
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Boot - Cylinders 1-6

ES#34920 - 13711733301 - Intake Boot - Cylinders 1-6 - Connection hose for the Mass Air Sensor and throttle body - Genuine BMW - BMW

Connection hose for the Mass Air Sensor and throttle body

Brand:
Genuine BMW - Corporate Logo
ES#:
34920
Mfg#:
13711733301
Ships in 1 day
3% off MSRP

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

$105.99

This product was last offered at the strikethrough price on
08-09-2026

$102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lower Air Intake Rubber Boot

ES#5434637 - 13711729992 - Lower Air Intake Rubber Boot - Replacement air intake boot that connects to the intake air box - Hamburg Tech - BMW

Replacement air intake boot that connects to the intake air box

Brand:
Hamburg Tech - Corporate Logo
ES#:
5434637
Mfg#:
13711729992
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Boot - Cylinders 7-12

ES#34921 - 13711733302 - Intake Boot - Cylinders 7-12 - Connection hose for the Mass Air Sensor and throttle body - Genuine BMW - BMW

Connection hose for the Mass Air Sensor and throttle body

Brand:
Genuine BMW - Corporate Logo
ES#:
34921
Mfg#:
13711733302
In Stock
ON SALE! SAVE 19%
$100.99

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

$82.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lower Air Intake Rubber Boot

ES#4876463 - 13711729992 - Lower Air Intake Rubber Boot - Best alternative to Genuine BMW lower intake boot at half the price for your E31 - V12Throttle - BMW

Best alternative to Genuine BMW lower intake boot at half the price for your E31

Brand:
V12Throttle - Corporate Logo
ES#:
4876463
Mfg#:
13711729992
Ships on Aug 25, 2026
$44.99 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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876725
Mfg#:
13711733302KT
Ships on Aug 25, 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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