Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW 135i Performance Cylinder Heads

Sort By
Filter By
Return to Top

ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+

ES#4736733 - ARP-HSK-S56-CA - ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+ - Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP! - 5150 Autosport - BMW

Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP! N55 Engines must be drilled & tapped for proper installation

Brand:
5150 Autosport - Corporate Logo
ES#:
4736733
Mfg#:
ARP-HSK-S56-CA
Ships in 3 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit - BMW N54

ES#4630710 - ARP-HSK-N54-14 - ARP Head Stud Kit - BMW N54 - Install these ARP Head Studs for Additional Head Clamping Force For Your High Boost N54 Applications - VAC Motorsports - BMW

Install these ARP Head Studs for Additional Head Clamping Force For Your High Boost N54 Applications

Brand:
VAC Motorsports - Corporate Logo
ES#:
4630710
Mfg#:
ARP-HSK-N54-14
Ships in 2 Business Days
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit - Standard Performance - N54

ES#4745231 - ARP-HSK-N54-S - ARP Head Stud Kit - Standard Performance - N54 - This kit offers increased clamping force and enhanced head gasket sealing, helping to prevent head gasket failure - ARP - BMW

This kit offers increased clamping force and enhanced head gasket sealing, helping to prevent head gasket failure

Brand:
ARP - Corporate Logo
ES#:
4745231
Mfg#:
ARP-HSK-N54-S
Back Ordered
$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP2000 Head Stud Kit - N55

ES#4920389 - ARP-HSK-N55-S - ARP2000 Head Stud Kit - N55 - Ditch the Stock Head Bolts for a Set of Head Studs from ARP! - ARP - BMW

Ditch the Stock Head Bolts for a Set of Head Studs from ARP!

Brand:
ARP - Corporate Logo
ES#:
4920389
Mfg#:
ARP-HSK-N55-S
In Stock
$742.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve Set - Sodium Filled - Std Size

ES#4716076 - bmevi-1054s-hsKT - Exhaust Valve Set - Sodium Filled - Std Size - Inconel-Nimonic / Sodium Filled, Std 28mm, set of 12. - Supertech - BMW

Inconel-Nimonic / Sodium Filled, Std 28mm, set of 12.

Brand:
Supertech - Corporate Logo
ES#:
4716076
Mfg#:
BMEVI-1054S-HSKT
Ships on Oct 15, 2026
$660.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW N55/S55 Valves By Super Tech

Brand:
5150 Autosport - Corporate Logo
ES#:
4900024
Mfg#:
SUP-HPVK-S55-32/
Ships in 3 Business Days
$1143.99 USD
Free Shipping
on orders $49 and up

N54 Baffled Oil Catch Can

ES#2918629 - MMBCCN5406CBE - N54 Baffled Oil Catch Can - Keep your engine clean & free of oil deposits - Mishimoto - BMW

Keep your engine clean & free of oil deposits

Brand:
Mishimoto - Corporate Logo
ES#:
2918629
Mfg#:
MMBCCN5406CBE
In Stock
$253.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve Set - Sodium Filled - Oversize

ES#4716077 - bmevi1054shs-1KT - Exhaust Valve Set - Sodium Filled - Oversize - Inconel-Nimonic / Sodium Filled, oversize 28.50mm (+0.5mm), set of 12. - Supertech - BMW

Inconel-Nimonic / Sodium Filled, oversize 28.50mm (+0.5mm), set of 12.

Brand:
Supertech - Corporate Logo
ES#:
4716077
Mfg#:
BMEVI1054SHS-1KT
In Stock
$660.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Single turbo head flange - Mild steel

2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3438085
Mfg#:
VTT-FLNG-1
Ships in 10 Business Days
$393.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5mm Single Groove Valve Keeper - Set Of 24

ES#4716125 - KPR-5.0-7S-24 - 5mm Single Groove Valve Keeper - Set Of 24 - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves

Brand:
Supertech - Corporate Logo
ES#:
4716125
Mfg#:
KPR-5.0-7S-24
In Stock
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ASA Stud Bolt - Pack Of 10

ES#2574760 - 11127521167kt - ASA Stud Bolt - Pack Of 10 - M7X68MM - Genuine BMW - BMW

M7X68MM

Brand:
Genuine BMW - Corporate Logo
ES#:
2574760
Mfg#:
11127521167KT
In Stock
$29.99

This product was last offered at the strikethrough price on
07-06-2026

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

5mm Single Groove Valve Keeper - Priced Each

ES#4716123 - KPR-5.0-7S - 5mm Single Groove Valve Keeper - Priced Each - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves

Brand:
Supertech - Corporate Logo
ES#:
4716123
Mfg#:
KPR-5.0-7S
Back Ordered
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Cylinder Heads

Engines are just air pumps. How efficiently they can pump and how much they can pump determines how powerful they are. Upgrade cylinder head components to improve your engine's performance, like valves, valve springs, camshafts, rocker arms, and entire cylinder heads to unlock more power from your engine.

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.

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