BMW Internal Engine Parts for BMW X Series E70 (2007-2013)

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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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Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N55
Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N5...
Bav Auto Tools - Corporate Logo
T#:580444
Part#: B8800139
Ships on Sep 1, 2026
Sale - Save 5% $ 203.99

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05-03-2026

$ 193.79 USD
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$ 203.99

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$ 193.79 USD
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Used in removal and installation of the front crankshaft seal on BMW N55 engines, a common job that you can save yourself a ton of money doing at home.
Supertech Single Groove Exhaust Valve - Priced Each
Supertech Single Groove Exhaust Valve - Priced Each
Supertech - Corporate Logo
T#:21472889
Part#: BMEVI-1055S-HS
Ships in 5 Business Days
$ 55.99 USD
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$ 55.99 USD
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Single Groove sodium filled exhaust valves for high performance builds Head Diam: 28mm (std) Material: Inconel-Nimonic / Sodium Filled Groove Type: Single Groove Length: 112.9mm Stem Diam: 5.96mm
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Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52 and N54
Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52...
Bav Auto Tools - Corporate Logo
T#:580412
Part#: B8800104
In Stock
Sale - Save 5% $ 147.99

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

$ 140.59 USD
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Sale - Save 5%
$ 147.99

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

$ 140.59 USD
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For removal and installation of the rear crankshaft seal on BMW N51, N52 and N54 engines.
Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55
Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55 ...
Bav Auto Tools - Corporate Logo
T#:580431
Part#: B8800124
Ships on Sep 1, 2026
Sale - Save 15% $ 178.99

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

$ 152.14 USD
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Sale - Save 15%
$ 178.99

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

$ 152.14 USD
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For installation and removal of pressure springs on intermediate levers of valve train. Ensures quick, easy and safe handling of these high force springs.
5mm Single Groove Valve Keeper - Set Of 24
5mm Single Groove Valve Keeper - Set Of 24
Supertech - Corporate Logo
T#:21604314
Part#: KPR-5.0-7S-24
In Stock
$ 72.99 USD
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$ 72.99 USD
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Two required per valve, for use with certain supertech valves 5.0mm single groove
Supertech Forged Pistons - Set Of 6
Supertech Forged Pistons - Set Of 6
Supertech - Corporate Logo
T#:21604329
Part#: P6-BMN55-84-T-6
In Stock
$ 984.99

This product was last offered at the strikethrough price on
05-21-2026

$ 904.99 USD
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$ 984.99

This product was last offered at the strikethrough price on
05-21-2026

$ 904.99 USD
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​Supertech forged pistons are a great choice for performance engine builds! Bore: 84.00mm Over Size: STD Comp Ratio: 10.2:1 Dome dish: -10.4 Head CCs: 37cc Comp Height: 32.40mm Stroke: 89.60mm Skirt style: Slipper Design Rod Length: 141.35mm Pin Diam: 22mm Material: 4032 Application: All Motor / Turbo Ring part number: R84-GNH8400 (MUST BE PURCHASED SEPARATELY)
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Supertech Single Groove Intake Valve - Set Of 12
Supertech Single Groove Intake Valve - Set Of 12
Supertech - Corporate Logo
T#:14783498
Part#: BMIVN-1055S-12
Ships in 5 Business Days
$ 310.99 USD
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$ 310.99 USD
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Head Diam: 32mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 104.9mm Stem Diam: 4.97mm
Supertech Titanium Valve Retainers - Intake - Set Of 12
Supertech Titanium Valve Retainers - Intake - Set Of 12
Supertech - Corporate Logo
T#:21604322
Part#: RET-BMN54-TI-12
Ships in 6 Business Days
$ 197.99 USD
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$ 197.99 USD
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7 Degree - 5mm valve stem - Single or Tripe Groove Valves
Supertech Titanium Valve Retainers - Exhaust - Set Of 12
Supertech Titanium Valve Retainers - Exhaust - Set Of 12
Supertech - Corporate Logo
T#:21604321
Part#: RET-BMN54-TE-12
Ships in 6 Business Days
$ 197.99 USD
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$ 197.99 USD
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7 Degree - 6mm valve stem - Single or Tripe Groove Valves
Performance Dual Valve Spring Kit with Steel Retainers - Set Of 24
Performance Dual Valve Spring Kit with Steel Retainers - Set Of 24 ...
Supertech - Corporate Logo
T#:21604308
Part#: SPRKFE20N54BE
Ships in 4 Business Days
$ 965.99 USD
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$ 965.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. ​Can be used with factory valve stem seals and keepers. InnSpr.OD: 21mm InnSpr.ID: 14.2mm Seat Pressure: 75 @ 36.5 Open Pressure: 155 @ 10 Max Lift: 12mm Coil Bind: 23.2mm Rate: 8 Kit spring: SPR-FE20BE Kit spring qty: 24 Retainer: RET-BMN54-TI (5mm) / RET-BMN54-TE (6mm) OutSpr.OD: 24.4mm OutSpr.ID: 17.6mm Retainer qty: 24
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Supertech Single Groove Exhaust Valve - Set Of 12
Supertech Single Groove Exhaust Valve - Set Of 12
Supertech - Corporate Logo
T#:14816646
Part#: BMEVI-1055S-HS-1
Ships in 4 Business Days
$ 660.99 USD
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$ 660.99 USD
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Single Groove sodium filled exhaust valve set for high performance builds Head Diam: 28mm (std) Material: Inconel-Nimonic / Sodium Filled Groove Type: Single Groove Length: 112.9mm Stem Diam: 5.96mm
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Conical Spring Kit - Set Of 24
Conical Spring Kit - Set Of 24
Supertech - Corporate Logo
T#:21604309
Part#: SPRKFE20N54BE2
Ships on Aug 11, 2026
$ 965.99 USD
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$ 965.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. ​​Can be used with factory valve stem seals and keepers. InnSpr.OD: 21mm InnSpr.ID: 14.2mm Seat Pressure: 88 @ 36.5 Open Pressure: 160 @ 10 Max Lift: 12mm Coil Bind: 23.2mm Rate: 7.25 Kit spring: SPR-FE20BE-2 Kit spring qty: 24 Retainer: RET-BMN54-TI (5mm) / RET-BMN54-TE (6mm) OutSpr.OD: 24.4mm OutSpr.ID: 17.6mm Retainer qty: 24
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Performance Camshaft Set - 238/272
Performance Camshaft Set - 238/272
Schrick - Corporate Logo
T#:26904914
Part#: SCH-N52-238/272
Special Order: No Guaranteed ETA
$ 1,749.99 USD
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$ 1,749.99 USD
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Forged Connecting Rods - Sold Each
Forged Connecting Rods - Sold Each
Supertech - Corporate Logo
T#:21604327
Part#: CR-BMN55-H144.35
In Stock
$ 198.99

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

$ 184.99 USD
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$ 198.99

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

$ 184.99 USD
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​Supertech forged rods are a great choice for performance engine builds! These rods come with ARP 2000 hardware and are designed for high powered N55/S55 applications. H-Beam design Forged 4340 alloy Center to center: 144.35mm Be bore: 53.6mm Be width: 20.88 Pe bore: 22mm full float Pe width: 20.88mm tapered ARP 2000 - 3/8" x 1.600" bolts
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Performance Conical Valve Spring - Sold Each
Performance Conical Valve Spring - Sold Each
Supertech - Corporate Logo
T#:21472894
Part#: SPR-FE20BE
In Stock
$ 19.99

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

$ 18.99 USD
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$ 19.99

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

$ 18.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 75 @ 37 Open Pressure: 155 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm Rate: 8 OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm
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Supertech Titanium Valve Retainers - Exhaust - Sold Each
Supertech Titanium Valve Retainers - Exhaust - Sold Each
Supertech - Corporate Logo
T#:21604320
Part#: RET-BMN54-TE
Ships in 8 Business Days
$ 16.99 USD
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$ 16.99 USD
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7 Degree - 6mm valve stem - Single or Tripe Groove Valves
Performance Conical Valve Spring - Set Of 24
Performance Conical Valve Spring - Set Of 24
Supertech - Corporate Logo
T#:21604324
Part#: SPR-FE20BE-24
Ships in 8 Business Days
$ 471.99 USD
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$ 471.99 USD
Free Shipping on orders $49 and up
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 75 @ 37 Open Pressure: 155 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm Rate: 8 OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm
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Performance Conical Valve Spring - Set Of 24
Performance Conical Valve Spring - Set Of 24
Supertech - Corporate Logo
T#:21604325
Part#: SPR-FE20BE-2-24
Ships in 8 Business Days
$ 494.99 USD
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$ 494.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 84 @ 37 Open Pressure: 157 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm Rate: 7.25
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Supertech Titanium Valve Retainers - Intake - Sold Each
Supertech Titanium Valve Retainers - Intake - Sold Each
Supertech - Corporate Logo
T#:21604319
Part#: RET-BMN54-TI
Ships in 8 Business Days
$ 16.99 USD
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$ 16.99 USD
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7 Degree - 5mm valve stem - Single or Tripe Groove Valves
Supertech Single Groove Intake Valve - Priced Each
Supertech Single Groove Intake Valve - Priced Each
Supertech - Corporate Logo
T#:14783497
Part#: BMIVN-1055S
Ships in 8 Business Days
$ 25.99 USD
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$ 25.99 USD
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Head Diam: 32mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 104.9mm Stem Diam: 4.97mm
Performance Conical Valve Spring - Sold Each
Performance Conical Valve Spring - Sold Each
Supertech - Corporate Logo
T#:21604306
Part#: SPR-FE20BE-2
Ships in 8 Business Days
$ 20.99 USD
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$ 20.99 USD
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 84 @ 37 Open Pressure: 157 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm Rate: 7.25
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SuperTech High Performance Valve Spring Kit - 88lbs - BMW N55 S55
SuperTech High Performance Valve Spring Kit - 88lbs - BMW N55 S55 ...
Supertech - Corporate Logo
T#:14783500
Part#: SUP-HPVSK-S55-88
Ships on Aug 6, 2026
$ 1,099.99 USD
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$ 1,099.99 USD
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5mm Single Groove Valve Keeper - Priced Each
5mm Single Groove Valve Keeper - Priced Each
Supertech - Corporate Logo
T#:21604312
Part#: KPR-5.0-7S
Back Ordered
$ 3.99 USD
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$ 3.99 USD
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Two required per valve, necessary use with certain supertech valves 5.0mm single groove

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