BMW Internal Engine Parts for BMW Z Series E85/6 (2003-2008)

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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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S54 Valve Adjustment Shim Set - With Tools
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T#:401664
Part#: VSK4KT2
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Proper valve lash adjustment is critical for longevity and performance. If your S54 is due for valve adjustment maintenance you can do it yourself with this kit, saving hundreds of dollars in labor charges. 

Includes

  • Shim set 
  • Installation tool #83300493743
  • 16 Blade Feeler gauge set 

BMW recommends S54 valve inspection and adjustment every 30k miles.

*Click here for valve adjustment instructions*

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E46 M3 / MZ4 Rod Bearing Overhaul Kit
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T#:392550
Part#: S54RBPDK
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Replacing the rod bearings requires mechanical knowledge and skill, a clean workspace, and several specialist tools. Our preferred procedure is to leave the engine in the car but remove the front subframe. The engine must be supported from above with an engine brace. Removing the front subframe involves disconnecting the control arms and steering rack and steering column. The oil pan can then be removed and you can access the connecting rods and bearings. Replacing the rod bearings themselves is straightforward but patience and forethought will be extremely helpful. In addition to analyzing the severity of the rod bearing wear, the crankshaft must also be inspected closely for damage. Rod bearings that have been severely worn may have damaged the crankshaft (requiring replacement or machining).
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Engine Rocker Arm - Grade 3
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Genuine BMW - Corporate Logo
T#:34252
Part#: 11337559794
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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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S54 Valve Adjustment Kit w/ Wiseco Shims - E46 M3, Z3M, Z4M
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T#:582210
Part#: S54WVALVESHIMKT
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$ 216.60 USD
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Genuine BMW Intake Valve - N52 3.0L
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T#:34507
Part#: 11347553771
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$ 39.97 USD
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Genuine BMW Intake Valve - 34,2/4,968Mm
This item fits the following BMW Chassis:
E70 X5,E82,E83 X3,E85,E86,E89 Z4,E90,E92,E93,F10,F25 X3

Fits BMW Engines including:
N51,N51,N52,N52N

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S54 Valve Adjustment Kit - With gaskets
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T#:582218
Part#: 83300493743
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BMW recommends valve adjustments every 30k miles on your S54-equipped BMW. We have all the parts you will need to do the job in one discounted package for your BMW E46 M3, Z3, or Z4! Kit includes: 11127832034 x 1 - Valve Cover Gasket 11127831271 x 6 - Spark Plug Hole Gasket 11121437395 x 2 - Valve Cover Seal Washer Grommet 11127830972 x 13 - Valve Cover Nut Grommet VSK4 Wiseco x 1 - Valve Shim Set 83300493743 x 1 - Valve Shim Tool *Click here for valve adjustment instructions* This item fits the following BMWs: 2001-2006 E46 BMW M3, M3 Convertible2001-2002 Z3 BMW M Roadster M Coupe2006-2008 Z4 BMW Z4 M Roadster M Coupe
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N52 Valvetronic Camshaft Adjuster Replacement Kit
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T#:5416764
Part#: 11377548388TMSKT
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Includes new Valvetronic motor, gasket, and hardware. The Valv-tronic adjuster unit changes the the timing shaft to adjust the valve timing.
WPC Performance Rod Bearing Replacement Kit - Late S54
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T#:15710784
Part#: 11137834886-KT
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The S54 engine has a known history of rod bearing failure, and if your engine is higher mileage, don't let this catastrophic failure happen to you. Replace your rod bearings and prevent a spun bearing which can trash your crankshaft. WPC is a surface treatment that reduces friction and adds strength - two improvements that benefit internal engine components. Ultra-fine particles are fired at the surface at very high speeds, like shot-peening - but much, much smaller. The parts come out smoother and stronger due to thermal discharge. The two largest enemies of any high-performance engine are heat and friction - and WPC has found a way to reduce both. Kit includes Upper and lower WPC treated rod bearings for extra protection against wear Hardware Oil filter Castrol TWS Edge Professional Oil pan gasket Oil pan cover gasket RedLine assembly lube Connecting rod bolts
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Genuine BMW Upper Bearing Shell - Blue - M20 M42 M44 M50 M52 M54 S50 ...
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T#:19122
Part#: 11241284852
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$ 25.09 USD
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This product was last offered at the strikethrough price on
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Genuine BMW Bearing Shell, Blue - 44,75Mm(+0,25)
This item fits the following BMW Chassis:
E36 M3,E30,E34,E36,E39,E46,E53 X5 X5,E83 X3,E85 Z4

Fits BMW Engines including:
M20,M42,M44,M50,M52,M54,M56,S50,S52

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BMW S54 Connecting Rod Bearing Shell, Blue - 11247835440
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T#:19117
Part#: 11247835440
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 49.85 USD
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Genuine BMW Bearing Shell, Blue - 49,00Mm(0)
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.

This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54
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Genuine BMW Bearing Shell
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T#:33057
Part#: 11247628034
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 39.38 USD
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This product was last offered at the strikethrough price on
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Genuine BMW Bearing Shell, Red - 50,00Mm(0)
This item fits the following BMW Chassis:
E82 1M Coupe,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,F80 M3,F82 M4,F83

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Piston Ring Repair Kit
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Genuine BMW - Corporate Logo
T#:33521
Part#: 11257559434
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$ 114.47 USD
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Genuine BMW Repair Kit Piston Rings - (0)
This item fits the following BMW Chassis:
E70 X5,E82,E83 X3,E85,E86,E89 Z4,E90,E92,E93,F10,F25 X3

Fits BMW Engines including:
N51,N52,N52N

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Check Valve - 11367541692
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T#:37655979
Part#: 11367541692
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A damaged, leaking, or missing vacuum check valve can lead to engine performance problems, trigger the check engine light, and potentially cause your vehicle to fail an emissions test.
Genuine BMW Bearing Shell, Red 49,00mm(0) - 11247835439 - E46 M3,E85 ...
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Genuine BMW - Corporate Logo
T#:19118
Part#: 11247835439
Ships in 3 Business Days
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$ 43.18 USD
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Genuine BMW Bearing Shell, Red - 49,00mm(0)

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.


This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54
 

 

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Bearing Shell - Red - E28, E30, E34, E36, E39, E46, E53, E60, E83, Z3...
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Genuine BMW - Corporate Logo
T#:18867
Part#: 11241284849
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$ 39.58 USD
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Rod Bearing 45,00MM(0) - 11241284849

SOLD INDIVIDUALLY

We sell the complete set for much less than the individual bearings Rod Bearing Set - 11241284849
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Complete Cylinder Head Replacement Kit - BMW M52TU M54
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T#:15710818
Part#: 11127514540KT
Ships on Sep 10, 2026
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$ 2,275.22 USD
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When duty calls and its time to replace or refresh your cylinder head, you'll need quite a few components. Look no further because we've collected all those parts into one kit including notable items like 7 liters of BMW oil, 1 gallon of coolant, all seals and gaskets needed and required hardware all available in one kit at the push of a button!
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WPC Performance Rod Bearing Replacement Kit - Late S54 - DRY ...
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T#:36811826
Part#: 11137834886JRKT
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N52 Valvetronic Camshaft Adjusting Unit - 11377548388
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Bremmen Parts - Corporate Logo
T#:36066208
Part#: 11377548388
Ships on Aug 4, 2026
Sale - Save 20% $ 148.99

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$ 119.13 USD
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This Valvetronic variable valve timing actuator is designed to optimize engine performance by adjusting the eccentric shaft, effectively increasing or decreasing valve lift and duration as needed. By dynamically controlling valve timing, it enhances power delivery, fuel efficiency, and overall driving performance.

A failing actuator can lead to noticeable power loss, reduced performance, and an illuminated check engine light. Restore your BMW's performance with this premium replacement from Bremmen Parts, designed to meet or exceed OE specifications.

Features:

Exact Fitment: Engineered to perfectly match your BMW’s specifications for seamless installation. Durable Construction: Built with high-strength materials to resist engine heat, vibration, and wear. Precision Manufacturing: Designed to OE dimensions for accurate clearances and alignment. Optimal Performance: Restores proper timing and functionality at all engine speeds. Get your BMW back on the road with reliable performance and confidence.

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Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4
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T#:640145
Part#: 12147518628
Ships on Sep 16, 2026
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$ 26.87 USD
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A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivability issues
Crankshaft Thrust Bearing - Green - E28, E30, E34, E36, E39, E46, Z3,...
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Genuine BMW - Corporate Logo
T#:19143
Part#: 11211706830
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 50.45 USD
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Genuine BMW Guide-Bearing Shell Green - 60,00Mm(0)
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E30,E34,E36,E39,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
M20,M42,M50,M52,S50,S52,S54

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Crankshaft Thrust Bearing - Green - E28, E30, E34, E36, E39, E46, Z3,...
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Genuine BMW - Corporate Logo
T#:32543
Part#: 11212241935
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 34.95 USD
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$ 44.99

This product was last offered at the strikethrough price on
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Genuine BMW Guide-Bearing Shell Green - 60,00Mm(0)
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E30,E34,E36,E39,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
M20,M50,M52,S50,S52,S54

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Eccentric Shaft Sensor Kit
For vehicles with production date up to 10/2006
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Packaged by Turner - Corporate Logo
T#:5416787
Part#: 11377524879TMSKT
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Includes a new sensor as well as valve cover and eccentric gaskets for a complete service. The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.
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S54 Camshaft Installation Kit
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T#:599963
Part#: 1131783634KT1
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Sale - Save 3% $ 307.99

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$ 298.02 USD
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Includes needed gaskets and hardware for installing a new camshaft set.
Genuine BMW Piston Ring Set (84.00 mm, Standard) - E39 E46 E60 E83 Z3...
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Genuine BMW - Corporate Logo
T#:33487
Part#: 11257511697
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Sale - Save 19% $ 98.99

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

$ 80.47 USD
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Genuine BMW Repair Kit Piston Rings - (0)
This item fits the following BMW Chassis:
E39,E46,E83 X3,E85

Fits BMW Engines including:
M54,M56



S54 Valve Adjustment Kit - E46 M3, Z3M, Z4M
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T#:401675
Part#: S54VADJKT1
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BMW recommends valve adjustment every 30,000 miles on the S54 engine.This valve adjustment kit includes every thing needed to to a proper valve adjustment on the S54 engine. 

Kit includes

  • Wiseco valve shims
  • Elring valve cover gasket set
  • BMW Valve shim Installation tool
  • Valve shim feeler gauge set 
  • Castrol TWS Edge Professional Engine Oil - 6 Quarts
  • Mann Oil Filter Kit
  • Oil pan drain plug 

Please note the the included feeler gauge set allows you to stack feeler blades to get a more precise adjustment 

*Click here for valve adjustment instructions*

This item fits the following BMWs: 
2001-2006 E46 BMW M3, M3 Convertible 
2001-2002 Z3 BMW M Roadster M Coupe 
2006-2008 Z4 BMW Z4 M Roadster M Coupe 

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OEM Rein Camshaft / Crankshaft Sensor O-Ring - Multiple BMWs ...
Cam sensor - intake or exhaust side
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T#:12463
Part#: 12141748398
In Stock
Sale - Save 81% $ 4.99

This product was last offered at the strikethrough price on
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$ 0.96 USD
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$ 4.99

This product was last offered at the strikethrough price on
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This is the o-ring used for most BMW camshaft sensors and crankshaft sensors. Although most sensors that we sell come with this o-ring at no charge, they may be the source of oil or fluid leaks.
Bearing Shell Yellow - E28, E30, E34, E36, E39, E46, E53, E60, E83, Z...
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Genuine BMW - Corporate Logo
T#:32464
Part#: 11211717782
In Stock
Sale - Save 72% $ 32.99

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

$ 9.34 USD
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Genuine BMW Bearing Shell Yellow - 59,50Mm(+0,50)
This item fits the following BMW Chassis:
E36 M3,E30,E34,E36,E39,E46,E53 X5 X5,E83 X3,E85 Z4

Fits BMW Engines including:
M20,M42,M44,M50,M52,M54,M56,S50,S52

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Piston Ring - Priced Per Piston | BMW M54 3.0L Engine
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T#:591606
Part#: 11257506252
Ships in 3 Business Days
Sale - Save 5% $ 48.99

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$ 46.54 USD
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Piston Ring - Priced Per Piston | BMW M54 3.0L Engine is a vital component in maintaining proper compression and oil control in BMW M54 3.0L engines. Over time, piston rings experience wear from continuous movement within the cylinder bore, leading to decreased engine efficiency. Worn or damaged rings can result in excessive oil consumption, reduced performance, and visible black or blue smoke from the exhaust. Ideal for engine rebuilds, this high-quality replacement ensures optimal sealing and longevity.

  • Restores proper compression and oil control for improved engine performance
  • Reduces oil consumption and minimizes exhaust smoke
  • Direct-fit replacement for BMW M54 3.0L engine pistons
  • Manufactured from high-strength materials for durability and longevity
  • Essential for engine rebuilds and maintaining peak efficiency
  • Designed to withstand high temperatures and pressures for reliable operation
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Oil Pump Chain
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Bremmen Parts - Corporate Logo
T#:26271802
Part#: 11417576915
Ships on Aug 14, 2026
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$ 14.68 USD
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$ 14.68 USD
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Schrick Camshaft Set With DLC Rocker Arms - 280/272 Degree 12.5mm Lif...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:50731686
Part#: 054995LA-272KT2
Ships on Oct 20, 2026
New Item
Sale - Save 8% $ 4,392.99

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

$ 4,032.89 USD
Free Shipping on orders $49 and up
Sale - Save 8%
$ 4,392.99

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

$ 4,032.89 USD
Free Shipping on orders $49 and up

Schrick has been dedicated to engine performance through the development of only the highest quality camshafts for more than 40 years. They've created a bond with BMW enthusiasts nearly the entire time, offering options for both the street and track, using top materials for strength and accuracy. Schrick has grown into a technology center offering one of the most advanced locations for engine testing and manufacturing.

These are a direct replacement for the stock camshafts and offer increased flow at mid and higher RPMs, thanks to 12.5mm of valve lift. Unlike 288/280 camshafts, this 280/272 set does not require upgraded valvetrain parts. The profile of these camshafts is quite close to stock CSL specs.

KIT INCLUDES

Schrick 272-Degree Exhaust Camshaft Schrick 280-Degree Intake Camshaft 24 Turner Motorsport DLC-Coated Performance Rocker Arms NOTE: Camshaft replacement requires multiple special tools. We offer the Genuine BMW Camshaft Press (T#171829) and a Schwaben Camshaft Alignment Tool Set (T#395239) to aid in installation.

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Schrick Camshaft Set With DLC Rocker Arms - 288/280 Degree 12.5mm Lif...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Earn 5% back in Turner Rewards on orders placed 10/28-10/31. Redeem 11/27-12/1. Terms & conditions apply
Packaged by Turner - Corporate Logo
T#:46959286
Part#: 054995LA-288KT2
Ships on Oct 20, 2026
Sale - Save 24% $ 6,999.99

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

$ 5,354.99 USD
Free Shipping on orders $49 and up
Sale - Save 24%
$ 6,999.99

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

$ 5,354.99 USD
Free Shipping on orders $49 and up

Schrick has been dedicated to engine performance through the development of only the highest quality camshafts for more than 40 years. They've created a bond with BMW enthusiasts nearly the entire time, offering options for both the street and track using top materials for strength and accuracy. Schrick has grown into a technology center offering one of the most advanced locations for engine testing and manufacturing.

These cams are a direct replacement for the stock cams and give a solid 15+ horsepower boost at the top end and great midrange torque increases too! More gains can be expected with intake and header upgrades and custom software tuning. A slightly lumpy idle is expected at cold start, but will be smooth once at operating temperature.

These Schrick cams were initially developed for the M3 CSL, but they also work well on the US and other non-CSL S54 engines. With more duration, they are a great match to high-flow headers and CSL intake plenum upgrades.

KIT INCLUDES

Schrick 280-Degree Exhaust Camshaft Schrick 288-Degree Intake Camshaft 24 Turner Motorsport DLC-Coated Performance Rocker Arms NOTE: Camshaft replacement requires multiple special tools. We offer the Genuine BMW Camshaft Press (T#171829) and a Schwaben Camshaft Alignment Tool Set (T#395239) to aid in installation.

Show More Show Less