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2021 MINI Countryman S Hatchback B46C

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2021 MINI Countryman S Hatchback B46C Performance Engine Parts

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ARP Main Stud Kit

High strength ARP main stud kit for the B48 engines 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
5396064
Mfg#:
201-5404
In Stock at Vendor
$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Catalytic Converter With Tuning Downpipe

High quality 200 cell high flow catalytic from an OEM supplier, 2.75" downpipe. Adapters for 70mm also be needed to fit US stock midpipe. ES4265775 part number.

Brand:
HJS - Corporate Logo
ES#:
4629512
Mfg#:
90812031
Ships in 9 Business Days
$3375.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hobbs Switch (30 psi)

Engages water-methanol system at 35PSI Adjustable from 25-50psi

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
Ships in 1 Business Day
$74.99 USD
Free Shipping
on orders $49 and up

JCW Tuning Kit - F60/F54 MINI Countryman S/ Clubman S 2020+

ES#4012757 - 18302473539 - JCW Tuning Kit - F60/F54 MINI Countryman S/ Clubman S 2020+ - Valvetronic performance exhaust system & remap - Genuine MINI - MINI

Valvetronic performance exhaust system & remap ON Sale! Original Price $2700.00

Brand:
Genuine MINI - Corporate Logo
ES#:
4012757
Mfg#:
18302473539
Ships in 9 Business Days
5% off MSRP

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

$2160.00

This product was last offered at the strikethrough price on
03-05-2026

$2049.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Exhaust Valve - Priced Each 29.5mm (+1) Plus Size

ES#4733436 - MCEVI-1401S-HS - Supertech Exhaust Valve - Priced Each 29.5mm (+1) Plus Size - Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm 29.5 (+1) - Supertech - MINI

Black nitride coated, inconel, sodium filled, single groove exhaust valve. 100.1mm 29.5 (+1)

Brand:
Supertech - Corporate Logo
ES#:
4733436
Mfg#:
MCEVI-1401S-HS
Ships in 8 Business Days
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Valve Springs Kit - Set Of 12

Aftermarket performance intake and exhaust valve springs for your high revving B36/B38 engine

Brand:
Supertech - Corporate Logo
ES#:
4733440
Mfg#:
SPRK-MCB38
Ships in 8 Business Days
$541.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit B48 Undercut CA625+, 12pt

ES#5396066 - 401-4704 - ARP Head Stud Kit B48 Undercut CA625+, 12pt - High strength ARP Head stud kit for the B48 engines - ARP - MINI

High strength ARP Head stud kit for the B48 engines 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
5396066
Mfg#:
401-4704
Ships on Sep 2, 2026
Limited Qty Sale
$588.99

This product was last offered at the strikethrough price on
08-13-2026

$529.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Union Tee - 1/4 Quick Connect

Quick connect union T-fitting for 1/4" Nylon

Brand:
SnowPerformance - Corporate Logo
ES#:
2826282
Mfg#:
82040
Special Order: No Guaranteed ETA
$23.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Double Wall Slash Cut Exhaust Tips - 2.75 Inlet - 3.5 OD - Stepped Left And Stepped Right- Titanium Black Chrome

Your BMW's factory exhaust tips are fine for getting groceries, but if you've upgraded your valence or just want a rear-end aesthetic that matches your car's performance pedigree, "fine" doesn't cut it. It's time for an attitude adjustment. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481264
Mfg#:
026732TMS03KTKT
Ships on Oct 29, 2026
Auto Notify
$279.99 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.

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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