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2021 MINI Cooper S Convertible B46C

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2021 MINI Cooper S Convertible B46C Performance Engine Parts

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Hobbs Switch (30 psi)

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

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
In Stock at Vendor
$74.99 USD
Free Shipping
on orders $49 and up

Rear Exhaust "Racing"

Performance exhaust with stainless steal construction : rear exhaust only

Brand:
Supersprint - Corporate Logo
ES#:
3187703
Mfg#:
832104
Ships in 3 Business Days
$1284.00 USD
Free Shipping

Fastening For Receiver Unit F57 JCW Tuning Kit

Used for the F57 with the tuning kit

Brand:
Genuine MINI - Corporate Logo
ES#:
3101773
Mfg#:
18302445902
Ships in 3 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.

$36.99

This product was last offered at the strikethrough price on
10-01-2026

$34.99 USD
Free Shipping
on orders $49 and up
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

Brand:
ARP - Corporate Logo
ES#:
5396066
Mfg#:
401-4704
Ships on Oct 19, 2026
$588.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Main Stud Kit

High strength ARP main stud kit for the B48 engines

Brand:
ARP - Corporate Logo
ES#:
5396064
Mfg#:
201-5404
Ships on Oct 19, 2026
$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement High Flow Air Filter - 76mm

Replacement for NTI-01, MINI-01 Leyo intake systems

Brand:
LEYO - Corporate Logo
ES#:
4715445
Mfg#:
AF-5-3-76
Ships on Oct 19, 2026
$49.99 USD
Free Shipping
on orders $49 and up

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

ES#5481264 - 026732tms03ktKT - 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. - Assembled By ECS - BMW MINI

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 Into Our F80 M3 Sweepstakes

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings