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BMW E30 Performance Engine Parts

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Pro Dry S Air Filter

ES#518843 - 31-10048 - Pro Dry S Air Filter - Higher flow, higher performance - oil-free, washable and reuseable! - AFE - BMW

Higher flow, higher performance - oil-free, washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
518843
Mfg#:
31-10048
Ships in 2 Business Days
20% off MSRP

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

$121.99

This product was last offered at the strikethrough price on
06-03-2026

$97.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water-Methanol Check Valve - 4AN Fittings

ES#4368638 - SN0-8CV-BRD - High Flow Water-Methanol Check Valve - 4AN Fittings - Added protection for your WMI setup - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Added protection for your WMI setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4368638
Mfg#:
SN0-8CV-BRD
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up

Water/Methanol Nozzle - 2.5GPH

ES#4476204 - SN0-N0250 - Water/Methanol Nozzle - 2.5GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4476204
Mfg#:
SN0-N0250
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro 5R Oiled Air Filter

ES#518730 - 30-10048 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - BMW

Higher flow, higher performance - washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
518730
Mfg#:
30-10048
In Stock at Vendor
20% off MSRP

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

$113.75

This product was last offered at the strikethrough price on
01-28-2026

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro 5R Oiled Air Filter

ES#264143 - 30-10015 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - BMW

Higher flow, higher performance - washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
264143
Mfg#:
30-10015
In Stock at Vendor
20% off MSRP

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

$113.75

This product was last offered at the strikethrough price on
01-28-2026

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JB4 OBDII Cable - With JB4 side Repair Harness

ES#4714892 - JB4-OBDII-CA-MC - JB4 OBDII Cable - With JB4 side Repair Harness - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714892
Mfg#:
JB4-OBDII-CA-MC
Ships on Jun 19, 2026
$30.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Super Atomizing Water/Methanol Injection Nozzles

ES#4714568 - BMS.SA.WMI.NOZ - Super Atomizing Water/Methanol Injection Nozzles - With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs! - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714568
Mfg#:
BMS.SA.WMI.NOZ
Ships on Jul 2, 2026
Starting at $40.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW-Audi 7mm Exhaust Valve stem seal / Viton (SET OF 6)

ES#4736132 - VS-VW7E-6 - VW-Audi 7mm Exhaust Valve stem seal / Viton (SET OF 6) - The perfect seal for repairing, replacing, or upgrading your valves and stem seals! - Supertech - BMW Volkswagen

The perfect seal for repairing, replacing, or upgrading your valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4736132
Mfg#:
VS-VW7E-6
Ships in 5 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.75 Inlet - 3.0 OD - Stepped Left - Brushed Stainless

ES#4146848 - 026732TMS06-07 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.75 Inlet - 3.0 OD - Stepped Left - Brushed Stainless - Left - Brushed Stainless Slash Cut Exhaust Tip - 2.75 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Left - Brushed Stainless Slash Cut Exhaust Tip - 2.75 Inlet - 3.0 OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146848
Mfg#:
026732TMS06-07
In Stock
ON SALE! SAVE 39%
$121.99

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

$74.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Switch

ES#2826277 - 81014 - Boost Switch - Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826277
Mfg#:
81014
In Stock at Vendor
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner 4" Universal Double Wall Exhaust Tip W/ Brushed Stainless Finish

ES#4464688 - 026374TMS02-12 - Turner 4" Universal Double Wall Exhaust Tip W/ Brushed Stainless Finish - Stainless Steel exhaust tip featuring a 3" Inlet & a 4.0", Slant Cut Outlet - Turner Motorsport - BMW

Stainless Steel exhaust tip featuring a 3" Inlet & a 4.0", Slant Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4464688
Mfg#:
026374TMS02-12
Ships on Jul 17, 2026
Auto Notify
ON SALE! SAVE 12%
$81.99

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

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro 5R Oiled Air Filter

ES#518729 - 30-10047 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - BMW

Higher flow, higher performance - washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1985

Brand:
AFE - Corporate Logo
ES#:
518729
Mfg#:
30-10047
In Stock at Vendor
20% off MSRP

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

$88.75

This product was last offered at the strikethrough price on
06-03-2026

$71.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet 100 Micron Water Methanol Filter

ES#4608740 - SN0-38FIL - Billet 100 Micron Water Methanol Filter - 100 Micron Water-Methanol Filter - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

100 Micron Water-Methanol Filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4608740
Mfg#:
SN0-38FIL
Special Order: No Guaranteed ETA
$61.99 USD
Free Shipping

Heat Shroud™ - Aluminized Sleeving

ES#2784360 - 010405 - Heat Shroud™ - Aluminized Sleeving - 1" X 3ft - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1" X 3ft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
2784360
Mfg#:
010405
Special Order: No Guaranteed ETA
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solid Bolt-Through Motor Mounts

ES#4362446 - SMM-E30 - Solid Bolt-Through Motor Mounts - A massive upgrade over stock! - Revshift - BMW

A massive upgrade over stock! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Revshift - Corporate Logo
ES#:
4362446
Mfg#:
SMM-E30
Ships in 1 Business Day
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Nozzle Holder Straight (Rectangle Style)

ES#4642625 - SN0-900 - Nozzle Holder Straight (Rectangle Style) - Stylish nozzle holders for your WMI setup - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stylish nozzle holders for your WMI setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4642625
Mfg#:
SN0-900
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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