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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ARP Head Stud Kit B48 Undercut CA625+, 12pt
ARP Head Stud Kit B48 Undercut CA625+, 12pt
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ARP - Corporate Logo
T#:48367044
Part#: 401-4704
In Stock
New Item
$ 588.99

This product was last offered at the strikethrough price on
06-08-2026

$ 529.99 USD
Limited Qty Sale
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$ 588.99

This product was last offered at the strikethrough price on
06-08-2026

$ 529.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
Exhaust Valve - Priced Each
Exhaust Valve - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:54388348
Part#: 11347513024
In Stock at Vendor
New Item
$ 23.99 USD
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$ 23.99 USD
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On the street or at the track, your engine’s top end takes a beating. If you are rebuilding a cylinder head due to high mileage, overheating, or a mechanical overrev, you need valves that can handle the heat. This Corteco Exhaust Valve is the exact OEM replacement you need to guarantee factory-level sealing and long-term durability under demanding conditions.
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Camshaft - Inlet Side 647107 - Priced Each
Camshaft - Inlet Side 647107 - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AMC - Corporate Logo
T#:54388484
Part#: 11317587756
Ships on Jul 27, 2026
New Item
$ 216.99 USD
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$ 216.99 USD
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Ready to extract more power and optimize your valve timing? This replacement intake camshaft is engineered for dual-overhead-cam (DOHC) cylinder heads, delivering the precise lift and duration needed to keep your engine breathing efficiently at higher RPMs.
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Intake Valve - Priced Each
Intake Valve - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:54388474
Part#: 11347513023
In Stock at Vendor
New Item
$ 20.49 USD
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$ 20.49 USD
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A weak or worn intake valve causes lost compression, erratic idle, and drops in top-end power. When it's time to refresh your cylinder head for reliability on the street or the circuit, this Corteco intake valve is up to the task.
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ARP Head Stud Kit B48
ARP Head Stud Kit B48
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ARP - Corporate Logo
T#:48367046
Part#: 201-4704
In Stock at Vendor
New Item
$ 263.99 USD
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$ 263.99 USD
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Supertech Intake Valve - Set Of 8 - Head 32.0mm (+1.8)
Supertech Intake Valve - Set Of 8 - Head 32.0mm (+1.8)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:54388512
Part#: MCIVN-1008T-8
Ships in 8 Business Days
New Item
$ 225.99 USD
Free Shipping on orders $49 and up
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$ 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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Titanium Retainers - Set Of 8 - BMW B48 - Intake Side
Titanium Retainers - Set Of 8 - BMW B48 - Intake Side
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:54388410
Part#: RET-BMB48-TI-8
Ships in 8 Business Days
New Item
$ 145.99 USD
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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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5mm Single groove valve lock conversion (SET OF 16)
5mm Single groove valve lock conversion (SET OF 16)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:51356057
Part#: KPR-5.0-7S-16
Special Order: No Guaranteed ETA
New Item
$ 60.99 USD
Free Shipping on orders $49 and up
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$ 60.99 USD
Free Shipping on orders $49 and up
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Camshaft O-Ring - Priced Each RECTANGRING
Camshaft O-Ring - Priced Each RECTANGRING
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Febi - Corporate Logo
T#:53396913
Part#: 11317587757
Special Order: No Guaranteed ETA
New Item
$ 4.99 USD
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$ 4.99 USD
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