BMW Internal Engine Parts for MINI

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Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.
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WPC-Treated Race Series Rod Bearings - Complete Set - BMW/MINI B46 B4...
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Turner Motorsport - Corporate Logo
T#:34147765
Part#: B48-WPC-RB
In Stock
$ 475.99

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

$ 354.99 USD
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$ 475.99

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

$ 354.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up

Upgrade your engine build with Turner's WPC-treated Race Series Bearings, engineered for serious performance enthusiasts. Starting with ACL’s high-performance bearing shells, these Race Series bearings are built to withstand extreme RPMs and stress. Utilizing a "Duraglide" tri-metal construction and a high-strength overlay plate, these bearings offer superior oiling and heat resistance for high-RPM operation.

Our WPC-treated bearings take ACL’s already impressive design and enhance it even further. The WPC treatment process strengthens and smooths the bearing surface by firing high-speed, ultra-fine particles at the bearing shells, reducing friction and improving durability. This advanced surface treatment ensures smoother operation and improved heat dissipation, which are critical for any high-performance engine.

Key Features:

Duraglide Tri-Metal Construction: ACL's Race Series bearings feature a high-strength overlay for enhanced performance. Optimized Oiling: Designed to promote better oil flow during high-RPM conditions. Precise Fitment: Manufactured with OEM-level precision using micron tolerance machining. WPC-Treated for Strength: Surface treatment adds strength and reduces friction for improved engine performance. No Flash Plating: Allows for better heat transfer and bearing retention. Thermal Discharge Process: Smoother, stronger components through WPC’s unique thermal discharge technology. Enhanced Heat and Friction Resistance: Built to combat the biggest enemies of high-performance engines. Don’t settle for standard bearings—choose Turner Motorsport WPC-treated Race Series Bearings for the ultimate engine performance upgrade. Perfect for your next engine rebuild or rod bearing service!

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Engine Rocker Arm - Grade 3
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Genuine BMW - Corporate Logo
T#:34252
Part#: 11337559794
In Stock
Sale - Save 6% $ 54.99

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

$ 51.83 USD
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Sale - Save 6%
$ 54.99

This product was last offered at the strikethrough price on
06-15-2026

$ 51.83 USD
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Genuine BMW Roller Drag Lever - "3"
This item fits the following BMW Chassis:
E70 X5,E71,E82,E83 X3,E85,E86,E89 Z4,E90,E92,E93,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

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MINI N14 N18 77.00mm Piston Ring Kit GNH7700
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Supertech - Corporate Logo
T#:594815
Part#: GNH7700
In Stock
$ 27.99 USD
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Enhance the performance of your MINI N14 or N18 engine with the MINI N14 N18 77.00mm Piston Ring Kit GNH7700. This high-quality piston ring kit is designed to provide optimal sealing and durability for your engine, ensuring smooth operation and reliable performance.

  • Specifically designed for MINI N14 and N18 engines
  • Features a diameter of 77.00mm for precise fitment
  • Ensures optimal sealing to prevent oil leakage and maintain compression
  • Durable construction for long-lasting performance and reliability
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Supertech Intake Valve - Priced Each
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Supertech - Corporate Logo
T#:18302506
Part#: MCIVN-1200S
Ships on Aug 3, 2026
$ 30.99 USD
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W11 77.50mm Piston Ring Kit GNH7750
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Supertech - Corporate Logo
T#:23284068
Part#: GNH7750
Ships in 5 Business Days
$ 23.99 USD
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Experience top-tier performance with Supertech Piston Rings, meticulously crafted in Japan using advanced technology. Engineered for high-performance applications, these piston rings are specifically designed to optimize engine performance in BMW vehicles.

  • Manufactured in Japan with cutting-edge technology for superior quality
  • Specifically designed for high-performance applications
  • Ideal for ensuring peak engine performance in BMW vehicles
  • Four sets required for a complete engine overhaul
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Supertech Exhaust Valve - Priced Each
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Supertech - Corporate Logo
T#:18302505
Part#: MCEVI-1200-HS
Ships in 6 Business Days
$ 67.99 USD
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Genuine BMW Non Return Valve - E90 E92 E93 M3
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Genuine BMW - Corporate Logo
T#:34642
Part#: 11367537692
Ships in 4 Business Days
7% off MSRP $ 42.99

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

$ 39.99 USD
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7% off MSRP
$ 42.99

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

$ 39.99 USD
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Genuine BMW Non-Return Valve -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
N12,N14,N16,N18,S65

CENTRAL VALVE VANOS
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Genuine BMW - Corporate Logo
T#:528041
Part#: 11368617694
Ships in 2 Business Days
6% off MSRP $ 212.99

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

$ 199.99 USD
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6% off MSRP
$ 212.99

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

$ 199.99 USD
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Performance Valve Springs Kit - Set of 16 Beehive Style
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Supertech - Corporate Logo
T#:18302503
Part#: SPR-MC56BE
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$ 261.99 USD
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$ 261.99 USD
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Performance Valve Spring Kit

This valve spring kit, designed for performance built engines, is a critical component for those demanding peak performance from their vehicles. The kit includes a set of 16 springs that mount to the stock OEM retainers.

Key Features:

  • Valve Spring Type: Beehive Spring
  • Outer Spring Outer Diameter: 23.30mm
  • Outer Spring Inner Diameter: 16.80mm
  • Inner Spring Outer Diameter: 18.80mm
  • Inner Spring Inner Diameter: 12.30mm
  • Pressure Seat: 65 @ 33.6mm
  • Pressure Open: 163 @ 10
  • Maximum Lift: 11.40mm
  • Coil Bind: 22.20mm
  • Spring Rate: 9.80mm
  • Retainer: OEM Retainer + OEM Seat

Upgrade your engine's performance with this high-quality valve spring kit, ensuring optimum power and reliability.

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Timing Sprocket
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Genuine BMW - Corporate Logo
T#:569269
Part#: 13528642165
Ships in 1 day
4% off MSRP $ 95.99

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

$ 91.99 USD
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4% off MSRP
$ 95.99

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

$ 91.99 USD
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Used on the lower timing chain assembly and lower part of the Vanos upper timing chain
VANOS CENTRAL VALVE B46 B48 B58
For vehicles with production From 01/2017
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Genuine BMW - Corporate Logo
T#:542583
Part#: 11368696446
Ships in 1 day
13% off MSRP $ 223.19

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

$ 193.83 USD
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13% off MSRP
$ 223.19

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

$ 193.83 USD
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Turner Motorsport Genuine BMW Vanos Central Valve (Long)

Introducing the Genuine BMW Vanos Central Valve (Long) by Turner Motorsport, the perfect replacement for the VANOS central valve located within the VANOS sprockets. This authentic BMW part guarantees precise fitment and dependable performance.

Benefits:

  • Genuine BMW quality assurance
  • Direct replacement for VANOS central valve
  • Ensures optimal VANOS system functionality

Upgrade your BMW's VANOS system with the Turner Motorsport Genuine BMW Vanos Central Valve (Long) for lasting performance.

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Genuine BMW Rocker Arm - N20 N52 N54 N55
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Genuine BMW - Corporate Logo
T#:34255
Part#: 11337559797
Ships in 1 day
7% off MSRP $ 58.99

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

$ 54.99 USD
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7% off MSRP
$ 58.99

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

$ 54.99 USD
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Genuine BMW Roller Drag Lever
This item fits the following BMW Chassis:
E82 1M Coupe,E70 X5 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4 X4,F30,F31,F32,F33,F34,F36

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Genuine BMW Rocker Arm #2
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Genuine BMW - Corporate Logo
T#:34770
Part#: 11377539968
Ships in 1 day
3% off MSRP $ 65.99

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

$ 63.99 USD
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3% off MSRP
$ 65.99

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

$ 63.99 USD
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Genuine BMW Intermediate Lever - "2"
This item fits the following BMW Chassis:
F06,F10,F12,F13,F15,F16

Fits BMW Engines including:
N12,N16,N18,N63N,S63N

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Forged Piston (Set of 4) - 77mm (Standard) P4-MIN56-N14-77-CR10.5 ...
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Supertech - Corporate Logo
T#:5581000
Part#: P4-MIN56-N14-77-
Ships in 5 Business Days
$ 811.99 USD
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$ 811.99 USD
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Supertech Pistons, crafted from an enhanced 4032 alloy, boast exceptional wear resistance and reduced thermal expansion, ensuring top-tier performance. These pistons undergo a meticulous two or three-step forging process, resulting in a fine structural grain that undergoes precision CNC machining. Heat treatments enhance their tensile strength and durability, while contact reduction grooves minimize friction. Wrist pins made from chrome moly steel ensure high strength, and a 'phosphate dry lubricant' coating protects against micro-welding, augmenting lubrication on the skirt/cylinder area. Compression ratios are calculated with .030" head gasket and .010" deck, unless specified otherwise. Rings are available separately.
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Forged Piston (Set Of 4) - 77.5mm (+0.50mm) P4-MIN56-N18-77.5-CR10.5 ...
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Supertech - Corporate Logo
T#:22723731
Part#: P4MIN56N1877.5CR
Ships in 8 Business Days
$ 649.00 USD
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Supertech Pistons are the pinnacle of high-performance engineering, designed to take your engine to the next level. Manufactured from an extruded high-silicone, enhanced 4032 alloy with added copper (Cu), nickel (Ni), and magnesium (Mg), these pistons boast low thermal expansion, exceptional wear resistance, and superior thermal conductivity. They are built to handle high levels of boost, up to 42psi, even when using alcohol fuel.

The manufacturing process involves a meticulous two or three-step forging process, resulting in a fine structural grain. Subsequent machining steps are executed with precision using state-of-the-art CNC machines. Multiple heat treatments impart high tensile strength and uniform hardness to the pistons.

Standard features of Supertech Pistons include contact reduction grooves and meticulously honed and reamed pin bores, ensuring a precise fit. The wrist pins are constructed from cold-extruded chrome moly steel, guaranteeing exceptional strength and are secured with wire clip locks.

To further enhance performance and longevity, these pistons receive a 'phosphate dry lubricant' coating. This coating not only safeguards the rings against 'micro-welding' but also improves lubrication in the skirt/cylinder area.

Supertech Pistons are designed to work with a .030" head gasket and .010" deck, with compression ratios calculated accordingly. Please note that rings are sold separately.

These pistons are compatible with N14 and N18 engines for the Cooper S, making them a perfect choice to unlock the true potential of your engine.

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MINI R56 N14 N18 Supertech Forged Connecting Rods - Set Of 4 CR-MINR5...
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Supertech - Corporate Logo
T#:22723741
Part#: CRMINR56H138.54-
Ships on Jul 24, 2026
$ 795.99 USD
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Explore our latest innovation – newly developed rods meticulously crafted to deliver exceptional performance. These rods are manufactured from a high tensile strength 4340 alloy, providing outstanding wear and fatigue resistance under optimal conditions. Their H-beam design, along with the inclusion of ARP 2000 bolts, capable of achieving a remarkable clamp load of 220,000 psi, ensures long-lasting durability.

What sets these rods apart is their in-house design, utilizing state-of-the-art CAD and FEA software to guarantee the highest quality in the market. With impressive performance ratings of 150hp per cylinder and a staggering 250hp per cylinder when paired with the ARP625+ bolt upgrade, these rods are your ultimate choice for enhancing your engine's power and reliability.

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Genuine BMW Exhaust Valve
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Genuine BMW - Corporate Logo
T#:535747
Part#: 11348621264
In Stock
Sale - Save 9% $ 66.99

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

$ 61.28 USD
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Sale - Save 9%
$ 66.99

This product was last offered at the strikethrough price on
04-06-2026

$ 61.28 USD
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Genuine BMW Screw - 11127593207
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Genuine BMW - Corporate Logo
T#:31528
Part#: 11127593207
In Stock
$ 6.99 USD
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Genuine BMW Ball Pin -
This item fits the following BMW Chassis:
E71,E82,E89 Z4,E90,E92,E93,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

Fits BMW Engines including:
N20,N26,N55,S55

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Genuine BMW Engine Connecting Rod Bolt - BMW
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Genuine BMW - Corporate Logo
T#:12938
Part#: 11247589671
In Stock
$ 8.99 USD
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$ 8.99 USD
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This bolt is located in the connecting rod. Two required per rod. Measurements: M9x47mm
Genuine BMW Socket Wrench Insert
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Genuine BMW - Corporate Logo
T#:545909
Part#: 83302450487
In Stock
$ 67.99 USD
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Valve Keeper - M50, M52, S50US, S52, M52TU, M54, N52, N54, N62, S54, ...
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Genuine BMW - Corporate Logo
T#:14519
Part#: 11341461405
In Stock
$ 3.97 USD
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This is the OE BMW valve keeper (collet) used to hold the valve spring and seats in place on the valve stem. If you're doing any valve work on the engine these are an absolute must!

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

Price is per keeper and each valve requires two.

This item fits the following BMWs:
2008-2012 E82 BMW 128i 135i 1M Coupe
1992-1999 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
2001-2002 E46 BMW M3
2006-2010 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive - Sedan
2006-2010 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2010 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive - Coupe
2007-2010 E93 BMW 328i 335i - Convertible
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i M5
2004-2010 E60 BMW 525i 525xi 530i 530xi 528i 528xi 528i xDrive 535i 535xi 535i xDrive 545i 550i
2004-2011 E63 BMW 645ci 650i
2002-2008 E65 BMW 745i 745li 750i 750li
2004-2010 E83 BMW X3 2.5i X3 3.0i X3 3.0si
2000-2006 E53 BMW X5 3.0i
2004-2006 E53 BMW X5 4.4i X5 4.8is
2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive35i X5 xDrive48i
2009+ E70 BMW X5M
2008+ E71 BMW X6 xDrive35i X6 xDrive50i
2009+ E71 BMW X6M
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si
2000-2003 E52 BMW Z8 Roadster
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5mm Single groove valve lock conversion
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Supertech - Corporate Logo
T#:30330952
Part#: KPR-5.0/7S
In Stock
$ 3.99 USD
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Genuine BMW Washer - 11127550856
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Genuine BMW - Corporate Logo
T#:31410
Part#: 11127550856
In Stock
$ 3.99 USD
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Genuine BMW Washer
This item fits the following BMW Chassis:
E36 M3,E39 M5,E60 M5,E63 M6,E53 48IS,E30,E34,E36,E38,E39,E46,E53 X5,E63,E65,E70 X5 X5,E83 X3,E85 Z4,E90,E92,E93

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Genuine BMW Dowel - 11121726241
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Genuine BMW - Corporate Logo
T#:31215
Part#: 11121726241
In Stock
13% off MSRP $ 2.11

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

$ 1.83 USD
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13% off MSRP
$ 2.11

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

$ 1.83 USD
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Genuine BMW Dowel - D=12,5Mm
This item fits the following BMW Chassis:
E39 M5,E60 M5,E63 M6,E82 1M Coupe,E53 48IS,E30,E34,E36,E38,E39,E53 X5 X5,E63,E65,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4 X4,F30,F31,F32,F33,F34,F36

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MINI F54 to F60 Supertech Exhaust Valve - Priced Each 28.5mm Standar...
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Supertech - Corporate Logo
T#:31191899
Part#: MCEVI-1400S-HS
In Stock
$ 56.99

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

$ 51.99 USD
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$ 56.99

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

$ 51.99 USD
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MINI F54 to F60 Supertech Exhaust Valve - Priced Each 28.5mm Standard Size offers a high-performance upgrade for MINI models. This exhaust valve is designed for enhanced durability and efficiency, featuring a standard head diameter of 28.5mm and a length of 100.10mm. It is constructed from black nitride material and filled with sodium to withstand high temperatures and extreme conditions.

  • High Durability: Made from black nitride and sodium-filled for improved resistance to heat and wear.
  • Precision Engineering: Standard head diameter of 28.5mm ensures a perfect fit and function.
  • Enhanced Performance: Designed to withstand high temperatures and provide reliable exhaust flow.
  • Compatibility: Uses factory retainers and springs for easy installation.
  • Quality Construction: Inconel material and single groove design enhance the valve’s longevity and performance.

This exhaust valve is ideal for those seeking to optimize engine performance and durability.

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Forged Piston JCW (Set Of 4) N14 N18 1.6L - 77mm P4-MIN56-N18-77-CR10...
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Supertech - Corporate Logo
T#:10128410
Part#: P4MIN56N18J77CR1
In Stock
$ 811.99

This product was last offered at the strikethrough price on
06-29-2026

$ 696.99 USD
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$ 811.99

This product was last offered at the strikethrough price on
06-29-2026

$ 696.99 USD
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Enhance the performance of your Mini with Supertech Pistons, crafted from extruded high silicone, enhanced 4032 alloy for superior durability and thermal conductivity. Withstanding up to 42psi of boost, these pistons feature a fine structural grain achieved through a two or three step forging process and precise CNC machining. Heat treatments ensure high tensile strength and hardness, while contact reduction grooves and honed pin bores provide a precise fit. Wrist pins made of cold extruded chrome moly steel offer exceptional strength. Plus, a 'phosphate dry lubricant' coating protects rings from 'micro-welding' and enhances lubrication on the skirt/cylinder area. Compression ratios are computed with .030" head gasket and .010" deck, offering optimal performance for your Mini.

  • Crafted from high-quality 4032 alloy for durability
  • Withstands high boost pressures without issues
  • Fine structural grain for enhanced strength
  • Precise CNC machining for accuracy
  • Heat treatments for high tensile strength and hardness
  • Contact reduction grooves and honed pin bores for a precise fit
  • Cold extruded chrome moly steel wrist pins for exceptional strength
  • 'Phosphate dry lubricant' coating protects rings and enhances lubrication
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Titanium Retainer - Priced Each
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Supertech - Corporate Logo
T#:26171670
Part#: RET-MC56/T1
In Stock
$ 19.99

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

$ 17.99 USD
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$ 19.99

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

$ 17.99 USD
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Titanium Performance Retainers for MINI

Upgrade your MINI's performance with these titanium performance retainers, designed to sit at the top of the spring. Crafted from high-quality titanium metal, these retainers offer enhanced durability and strength compared to traditional options. Compatible with OEM springs or SPR-MC56-BE, these retainers are versatile and suitable for various engine setups. For a complete engine replacement, you'll need 16 of these performance retainers.

Benefits:

  • Enhances MINI's performance
  • Crafted from high-quality titanium metal
  • Offers enhanced durability and strength
  • Versatile compatibility with OEM springs or SPR-MC56-BE
  • Ideal for engine upgrades and replacements
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Genuine BMW Cylinder Head Bolt M11X188 -11128644674
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Genuine BMW - Corporate Logo
T#:213322
Part#: 11128644674
Ships in 1 day
10% off MSRP $ 15.70

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

$ 14.10 USD
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10% off MSRP
$ 15.70

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

$ 14.10 USD
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Genuine BMW Genuine BMW Cylinder Head Bolt M11X188 - 11128644674


Supertech Exhaust Valve - Priced Each
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Supertech - Corporate Logo
T#:26404919
Part#: MCEVI-1202-HS
Ships in 5 Business Days
$ 69.99 USD
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Enhance your Mini's engine performance with these high-quality intake valves. Made of durable Black Nitride material, these valves feature a single groove design for improved airflow. With a head diameter of 27.00mm (+0.08) and a length of 110.15mm, they are designed to optimize engine efficiency and power output.

  • Durable Black Nitride material ensures longevity
  • Single groove design improves airflow
  • Precision-engineered for optimal performance
  • Compatible with Mini engines for seamless installation

Upgrade your Mini's engine with these intake valves and experience improved performance on the road.

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SET, CONNECTING RODS
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Genuine BMW - Corporate Logo
T#:522792
Part#: 11248623416
Ships in 7 Business Days
8% off MSRP $ 539.99

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

$ 496.99 USD
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8% off MSRP
$ 539.99

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

$ 496.99 USD
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Forged Piston (Set Of 4) - 77mm Low Compression P4-MIN56-77-CR9.5-4 ...
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Supertech - Corporate Logo
T#:26238377
Part#: P4-MIN56-77CR9.5
Ships in 8 Business Days
$ 840.99 USD
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Supertech Pistons offer top-tier performance with their advanced construction and high-quality materials. Crafted from extruded high-silicone, enhanced 4032 alloy, these pistons boast exceptional durability, low thermal expansion, and superior wear resistance. Engineered for maximum performance, Supertech Pistons can withstand high boost levels, making them ideal for high-performance applications.

  • Manufactured from extruded high-silicone, enhanced 4032 alloy
  • Withstands up to 42psi of boost with alcohol
  • Fine structural grain achieved through a two or three-step forging process
  • Heat treatments provide high tensile strength and evenly distributed hardness
  • Features contact reduction grooves and honed pin bores for precise fit
  • Wrist pins made of cold extruded chrome moly steel for added strength
  • Coated with 'phosphate dry lubricant' for ring protection and enhanced lubrication
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Valve Stem Seal Intake Side - Set Of 8 - BMW MINI B38 B46/48 ...
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T#:14783496
Part#: VSI-BM50-IKT
Ships in 6 Business Days
$ 91.99

This product was last offered at the strikethrough price on
01-14-2026

$ 14.99 USD
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$ 14.99 USD
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Supertech Valve Seals are the final piece of the puzzle for your performance valvetrain. This is for a complete valve stem seal repair for the Intake side, you will need 8 of a different part for the exhaust side.
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Forged B46/B48 Piston (Set Of 4) - 82.00mm (Standard) P4-MINB48-82-CR...
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T#:2088843
Part#: P4MINB4882CR10.2
Ships in 7 Business Days
$ 811.99 USD
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$ 811.99 USD
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Supertech Pistons are crafted from an advanced 4032 alloy, enriched with Cu, Ni & Mg, delivering low thermal expansion, exceptional wear resistance, and superior thermal conductivity. Engineered to withstand high pressure, these pistons have endured up to 42psi of boost with alcohol without issues.
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Forged Piston (Set Of 4) - 77mm - N18 1.6L Engine - P4-MIN56-N18-77-C...
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T#:23383308
Part#: P4MIN56N1877CR10
Ships in 8 Business Days
$ 811.99 USD
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Supertech Pistons are meticulously crafted from an enhanced 4032 alloy, delivering exceptional performance and reliability for your BMW. Designed to withstand up to 42psi of boost with alcohol, these pistons boast superior wear resistance and low thermal expansion for enduring performance.

Benefits:

  • High-quality enhanced 4032 alloy for low thermal expansion and wear resistance
  • Endures up to 42psi of boost with alcohol, ensuring reliable performance
  • Fine structural grain due to a two or three-step forging process
  • High tensile strength with heat treatments and precision machining
  • Contact reduction grooves, precise pin bores, and chrome moly steel wrist pins for durability
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Supertech Intake Valve - Priced Each 29.80mm(+1.0mm)
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T#:31522974
Part#: MCIVN-1201S
Ships in 8 Business Days
$ 34.99 USD
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Titanium Retainers - Set Of 8 - BMW B48 - Intake Side
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T#:54388410
Part#: RET-BMB48-TI-8
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$ 145.99 USD
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By minimizing moving weight, these retainers help prevent valve float at extended RPM ranges, ensuring your engine maintains precise timing and peak power delivery under the most demanding track conditions.
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Forged Piston JCW (Set Of 4) - 77.5mm (+0.50mm) P4-MIN56-N18-77.5-CR1...
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T#:26404882
Part#: P4MIN56N18J77.5C
Ships in 8 Business Days
$ 811.99 USD
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Upgrade your Mini's engine performance with Supertech Pistons, crafted from extruded high silicone, enhanced 4032 alloy with additional Cu, Ni & Mg. These pistons boast low thermal expansion, excellent wear resistance, and higher thermal conductivity, ensuring durability even under extreme conditions. With a two or three-step forging process and state-of-the-art CNC machining, these pistons offer fine structural grain and precise dimensions. Heat treatments provide high tensile strength and evenly distributed hardness, while contact reduction grooves and honed pin bores ensure a precise fit. Wrist pins made of cold extruded chrome moly steel add strength, and a 'phosphate dry lubricant' coating protects rings and enhances lubrication.

  • High-quality construction for durability and performance
  • Low thermal expansion and excellent wear resistance
  • Fine structural grain for precise dimensions
  • High tensile strength and evenly distributed hardness
  • Contact reduction grooves and honed pin bores for precise fit
  • Wrist pins made of cold extruded chrome moly steel for added strength
  • 'Phosphate dry lubricant' coating for ring protection and enhanced lubrication
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Forged Piston (Set Of 4) 82mm - B46 B48 2.0L (Standard) P4-MINB48-82-...
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T#:26404828
Part#: P4-MINB48-82CR11
Ships in 8 Business Days
$ 798.99 USD
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Supertech Pistons offer exceptional durability and performance for your Mini, crafted from extruded high silicone, enhanced 4032 alloy. With low thermal expansion, excellent wear resistance, and higher thermal conductivity, these pistons are designed to withstand up to 42psi of boost with alcohol. Benefits include:

  • Manufactured from high-quality 4032 alloy with additional Cu, Ni & Mg for enhanced performance.
  • Two or three-step forging process for fine structural grain.
  • Heat treatments for high tensile strength and evenly distributed hardness.
  • Contact reduction grooves and precise pin bores for optimal fit.
  • Wrist pins made of cold extruded chrome moly steel for durability.
  • Phosphate dry lubricant coating for ring protection and enhanced lubrication.

Compression ratios are computed with .030" head gasket and .010" deck unless indicated in each case. Rings are sold separately.

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Supertech Intake Valve - Priced Each - Standard Size
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T#:31092526
Part#: MCIVN-1004T
Ships in 8 Business Days
$ 26.99 USD
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Supertech Intake Valve - Priced Each 30.10 Standard Size
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T#:31589378
Part#: MCIVN-1400S
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$ 26.99 USD
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Supertech Intake Valve - Set Of 8 - Head 32.0mm (+1.8)
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T#:54388512
Part#: MCIVN-1008T-8
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$ 225.99 USD
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Supertech Performance brings decades of racing experience to their valvetrain components. By utilizing state-of-the-art manufacturing processes and rigorous testing, these valves provide the perfect balance of lightweight design, high-flow geometry, and bulletproof durability needed for forced induction, nitrous, or high-revving naturally aspirated builds.
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MINI F54 to F60 Performance Valve Springs Kit - Set Of 16
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T#:31158807
Part#: SPRK-MCB48
Ships in 8 Business Days
$ 721.99 USD
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MINI F54 to F60 Performance Valve Springs Kit - Set Of 16

The MINI F54 to F60 Performance Valve Springs Kit - Set Of 16 is designed to enhance performance for engines that demand higher specifications. This kit mounts directly to the stock OEM retainers, making it a seamless upgrade for those seeking improved engine performance.

  • Set of 16 springs: Complete kit for comprehensive engine upgrade.
  • Improved performance: Designed for high-performance engines.
  • Direct fit: Mounts to OEM retainers, ensuring easy installation.
  • Specifications:
    • Outer Spring Diameter: 24.40mm
    • Inner Spring Diameter: 21.00mm
    • Outer Spring ID: 17.60mm
    • Inner Spring ID: 14.20mm
    • Pressure Seat: 75 @ 37mm
    • Pressure Open: 155 @ 10mm
    • Maximum Lift: 12.2mm
    • Coil Bind: 23.20mm
    • Rate: 8.0mm
    • OEM Retainer and Seat Compatible
    • Retainer Part Numbers: SPR-FE20BE(16) + RET-BMB48/TE(8) + RET-BMB48/TI(8)
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Forged Piston (Set Of 4) - 77.5mm (+0.50mm) Low Compression N14 N18 -...
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T#:23383339
Part#: P4-MIN56-77.5CR9
Ships in 8 Business Days
$ 645.99 USD
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Upgrade your Mini's performance with Supertech Pistons, crafted from a high-silicone, enhanced 4032 alloy for superior quality. These pistons boast low thermal expansion, exceptional wear resistance, and increased thermal conductivity. Utilizing a two or three-step forging process and CNC machining, they ensure a fine structural grain for robustness. The heat treatment guarantees high tensile strength and uniform hardness, while contact reduction grooves and precisely honed pin bores ensure a precise fit. Crafted with cold-extruded chrome moly steel wrist pins and a phosphate dry lubricant coating, these pistons offer enhanced protection and lubrication for optimal performance.

Benefits:

  • High-quality pistons for enhanced engine performance
  • Low thermal expansion and excellent wear resistance
  • Superior tensile strength and hardness
  • Precisely honed pin bores for accurate fit
  • Enhanced protection with phosphate dry lubricant coating
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MINI W10 W11 Performance Valve Springs Kit - Single Groove SPRK-HM100...
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T#:29002074
Part#: SPRK-HM1007BE/MC
Ships in 8 Business Days
$ 768.99 USD
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Upgrade Your Mini's Engine Performance with MINI W10 W11 Performance Valve Springs Kit - Single Groove SPRK-HM1007BE/MC2 SPR-HM1007BE/MC2

Enhance your Mini's engine performance with the MINI W10 W11 Performance Valve Springs Kit - Single Groove SPRK-HM1007BE/MC2 SPR-HM1007BE/MC2. This comprehensive kit is designed to optimize valve operation and improve engine efficiency. With high-quality materials and precision engineering, it ensures durability and reliability for your Mini's engine.

Benefits:

  • Optimizes valve operation for improved engine performance
  • High-quality materials ensure durability and reliability
  • Precision engineering for enhanced engine efficiency
  • Compatible with Mini W10 and W11 engines
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MINI R50 to R53 Performance Valve Springs Kit - Triple Groove SPRk-TS...
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T#:31291033
Part#: SPR-TS1015-MC
Ships in 8 Business Days
$ 701.99 USD
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MINI R50 to R53 Performance Valve Springs Kit - Triple Groove SPRk-TS1015-mc is designed for high-performance engines that require enhanced valve control. This kit mounts directly to the stock OEM retainers and is ideal for performance builds demanding superior spring characteristics.

Key benefits of the MINI R50 to R53 Performance Valve Springs Kit - Triple Groove SPRk-TS1015-mc include:

  • Dual Valve Spring Design: Provides increased stability and durability under high performance conditions.
  • High Pressure Ratings: Offers a seat pressure of 76 lbs @ 34.80 mm and an open pressure of 210 lbs @ 11 mm, ensuring reliable valve control.
  • Extended Lift Capability: Supports a maximum lift of 14.00 mm, allowing for more aggressive camshaft profiles.
  • Precision Specifications: Includes dimensions of OUTSPR.OD 27.50 mm, OUTSPR.ID 20.00 mm, INNSPR.OD 20.00 mm, and INNSPR.ID 15.20 mm for accurate fitting.
  • Durable Construction: Coil bind at 20.70 mm and rate of 12.10 mm ensure long-lasting performance and resistance to wear.
  • Complete Set: Includes 16 springs for a full engine overhaul.
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Exhaust Valve - Standard Size (set Of 8)
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T#:31589448
Part#: MCEVN-1004T-8
Ships in 9 Business Days
$ 207.99 USD
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5mm Single groove valve lock conversion (SET OF 16)
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T#:51356057
Part#: KPR-5.0-7S-16
Special Order: No Guaranteed ETA
New Item
$ 60.99 USD
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Supertech B46/B48 Forged Connecting Rods - SET Of Four CR-MINB48-H148...
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T#:23416540
Part#: CR-MINB48-H148.3
Back Ordered
$ 993.99 USD
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Enhance your Mini's engine build with a set of four newly developed high-performance rods. Crafted from a robust 4340 alloy, these rods offer exceptional wear and fatigue resistance under optimal conditions. Featuring an H-beam design and equipped with ARP 2000 bolts capable of achieving a clamp load of 220,000 psi, these rods guarantee durability and strength.
  • Manufactured from high-tensile strength 4340 alloy for exceptional durability
  • H-beam design for improved strength and reliability
  • Equipped with ARP 2000 bolts achieving a clamp load of 220,000 psi
  • Designed in-house using advanced CAD and FEA software for superior quality
  • Center to Center: 148.30mm
  • PE Bore: 22mm full float / PE Width: 21mm
  • BE Bore: 53.66mm / BE Width: 23.9mm
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