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BMW Internal Engine Parts

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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Rocker Arm - M10 4 cylinder, M30 6 cylinder engine
Rocker Arm - M10 4 cylinder, M30 6 cylinder engine
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Febi - Corporate Logo
T#:6780
Part#: 11331271833
In Stock
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07-13-2026

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Replace your worn rocker arm with this unit. The rocker arms make contact with the camshaft and control the movement of the valves. Any time a camshaft is replace it is always a good idea to replace the rocker arms with new units. It is also a good idea to replace the rocker shafts that the arms mount on.
Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.

This item fits the following BMWs:
1970-1976 2002 BMW 1600 2002 2002tii
1984-1985 E30 BMW 318i
1976-1981 E12 BMW 528i 530i
1982-1988 E28 BMW 533i 535i 535is
1989-1993 E34 BMW 535i
1982-1989 E24 BMW 633csi 635csi
1981-1987 E23 BMW 733i 735i
1988-1992 E32 BMW 735i 735il
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Timing Chain - Upper
Timing Chain - Upper
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Bavarian Autosport - Corporate Logo
T#:17871154
Part#: 11311432177
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$ 22.39 USD
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ECS M62TU Vanos Seal Rebuild Kit - E39, E38, E53
ECS M62TU Vanos Seal Rebuild Kit - E39, E38, E53
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ECS - Corporate Logo
T#:396674
Part#: 017301ECS01
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If you're not sure if your Vanos seals are bad then the only question you need to answer is if you've replaced them. Every unit from the factory came with the same failure prone o-rings and seals, even the re-manufactured units you can still get today. The only real fix is by replacing the seals and o-rings with material that is built to last in the oiled, extreme temperature environment found in these kits. 

A premium product replacement with easy to follow instructions makes rebuilding your Vanos unit a must. Even thought the power loss is barely felt it's the opposite result once you replace the seals, every car that gets rebuilt ends up wowing the customer and all of them saying they didn't realize what they lost. 

There are a number of symptoms that will plague your car as a result of these failing seals such as erratic idle, engine hesitation, stalling, and increased fuel consumption to name a few. If you've been chasing down any of these symptoms with no fix then this could be your issue.

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S5X/M5X/M44/M20/M10- WPC Treated Rod Bearing Set - (Standard/Red Shell)
S5X/M5X/M44/M20/M10- WPC Treated Rod Bearing Set - (Standard/Red Shel...
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ECS - Corporate Logo
T#:395066
Part#: 11241284849WPC
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$ 151.19 USD
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These WPC-treated bearings are the best we have seen! WPC is a shot-peening treatment at a microscopic level. It's perfect for sensitive surfaces like bearings. The WPC treatment removes imperfections and high spots, while creating a surface that retains oil better than the original surface. This greatly reduces friction. The bearings in this kit are original equipment KS bearings that are sent to WPC for treatment. The treated bearings are stronger with less metal fatigue and less friction than buying off-the-shelf bearings from the dealer.

This item fits the following BMWs: 
1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix 
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3 
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1982-1988 E28 BMW 528e
1989-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i 
2004-2006 E83 BMW X3 2.5i X3 3.0i 
2000-2006 E53 BMW X5 3.0i 
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe 
2003-2005 Z4 BMW Z4 2.5i Z4 3.0i 

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S54/S5X/M5X/M20/M44 WPC Treated BMW Engine Crankshaft Main Bearing Set (Standard/Yellow Shell)
S54/S5X/M5X/M20/M44 WPC Treated BMW Engine Crankshaft Main Bearing Se...
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ECS - Corporate Logo
T#:585720
Part#: 11211706847WPCKT
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$ 243.46 USD
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What's better than using new crank bearings in your next engine build? WPC-treated bearings! What is WPC, you ask? 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. What are you waiting for? Use WPC-treated bearings on your next engine build or crank service!
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Timing Component
Timing Component
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Bavarian Autosport - Corporate Logo
T#:17871158
Part#: 11367583208
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$ 159.99 USD
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BMW US S50 6 Cyl. 284-Degree - Intake Camshaft
BMW US S50 6 Cyl. 284-Degree - Intake Camshaft
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Schrick - Corporate Logo
T#:554296
Part#: 0284E1840-0V1
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$ 1,468.79 USD
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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 the same cams used by many high-end German tuners who are achieving sizeable gains with the US S50 engine. For the power-hungry, these cams are a great way to achieve a linear increase in horsepower from mid-range, up to redline. Duration Intake- 284 Duration Intake @ 1mm - 253 Intake Peak Timing - 122 Cam Lobe Lift Intake - 11, 9 Valve Lift w/o Valve Clearance Intake - 11, 9 Valve Clearance Intake - 0,25
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SPA Performance High Performance Camshaft Set - 264� / 248� - BMW E46 E39 Z3 M54
SPA Performance High Performance Camshaft Set - 264� / 248� - BMW...
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SPA Performance - Corporate Logo
T#:44563338
Part#: EVCVSB02
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$ 997.41 USD
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If you are building an M54 engine for the best possible performance, SPA Performance's 264° / 248° High Performance Camshaft Set may be just what you need! Performance camshafts allow for greater valve lift and increased lift duration, enabling your engine to breathe easier and faster, increasing the amount of fresh air entering the cylinders while allowing more of the exhaust gases to fully exit the cylinders.
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Schrick Exhaust Camshaft - E46 M3, MZ3, MZ4 (S54) - 272 Degree, 12.5mm Lift
Schrick Exhaust Camshaft - E46 M3, MZ3, MZ4 (S54) - 272 Degree, 12.5m...
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Schrick - Corporate Logo
T#:338215
Part#: TMS11749
Ships on Dec 18, 2026
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E46 M3 Schrick 272 Degree Exhaust Camshaft with 12.5mm valve lift. New rocker arms are required (BMW part #11337833259 or a new Schrick part).

BMW Schrick Technical Specs Schrick Technical Information / Specs

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe
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S55/N55T- WPC Treated Genuine BMW Lower MAIN Bearing (BLUE SHELL) - Single
S55/N55T- WPC Treated Genuine BMW Lower MAIN Bearing (BLUE SHELL) - S...
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ECS - Corporate Logo
T#:585808
Part#: 11217849238WPCKT
In Stock
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$ 34.46 USD
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BMW N52 N54 Collar Screw
BMW N52 N54 Collar Screw
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Bavarian Autosport - Corporate Logo
T#:17871157
Part#: 11367524954
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$ 4.79 USD
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Holds the camshaft gear to the camshaft, measures M10X1X94.
Schrick Intake Camshaft - E46 M3, MZ3, MZ4 (S54) - 288 Degree, 12.5mm Lift
Schrick Intake Camshaft - E46 M3, MZ3, MZ4 (S54) - 288 Degree, 12.5mm...
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Schrick - Corporate Logo
T#:338222
Part#: TMS3572
Ships on Feb 18, 2027
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E46 M3 Schrick 288 Degree Intake Camshaft with 12.5mm valve lift. Originally desinged for the M3 CSL but works great in a standard M3. A new rocker arm is required (Schrick or new BMW part #11337833259). This is a more agressive cam that the Schrick 280 degree cam that we also offer for the E46M3

BMW Schrick Technical Specs Schrick Technical Information / Specs

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe
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S55/N55T- WPC Treated Genuine BMW Upper MAIN Bearing (BLUE SHELL) - Single
S55/N55T- WPC Treated Genuine BMW Upper MAIN Bearing (BLUE SHELL) - S...
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ECS - Corporate Logo
T#:585807
Part#: 11217849234WPC
In Stock
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$ 29.72 USD
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WPC Treated Genuine BMW Bearings - Single Bearing
WPC Treated Genuine BMW Bearings - Single Bearing
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ECS - Corporate Logo
T#:5470995
Part#: 11247617339WPC
In Stock
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$ 42.63 USD
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WPC Treated Rod Bearings Set - 3 Cylinder
WPC Treated Rod Bearings Set - 3 Cylinder
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ECS - Corporate Logo
T#:17073562
Part#: 11247620969WP4KT
Ships on Dec 14, 2026
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WPC Treated Rod Bearings Set - 4 Cylinder
WPC Treated Rod Bearings Set - 4 Cylinder
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ECS - Corporate Logo
T#:17073561
Part#: 11247620969WP3KT
Ships on Dec 14, 2026
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$ 503.93 USD
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S58/B58/B48/B38 WPC Treated Genuine BMW ROD Bearing Set - (Purple/Blue Shell)
S58/B58/B48/B38 WPC Treated Genuine BMW ROD Bearing Set - (Purple/Blu...
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ECS - Corporate Logo
T#:13299336
Part#: 11247620969WP2KT
Ships on Dec 14, 2026
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S58 WPC Treated Genuine BMW ROD Bearing Set - (Red/Blue SHELL)
S58 WPC Treated Genuine BMW ROD Bearing Set - (Red/Blue SHELL) ...
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ECS - Corporate Logo
T#:13299333
Part#: 11248053291WP2KT
Ships in 1 day
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$ 896.16 USD
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WPC Treated Main Bearing Set
WPC Treated Main Bearing Set
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ECS - Corporate Logo
T#:13299340
Part#: 11217849234KT2
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$ 823.52 USD
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Intake Valve - E36 E46 E34 E39 Z3 (M42, M44, M50, M52, M52TU)
Intake Valve - E36 E46 E34 E39 Z3 (M42, M44, M50, M52, M52TU) ...
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TRW - Corporate Logo
T#:1617
Part#: 11341739820
Back Ordered
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$ 11.72 USD
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Replacement intake valve in the stock size. Fits all VAN0S versions of the M50/M52/M52TU, including 1993-2000 323, 325, 328 and the E36 M3 3.0/3.2. Also fits E39 528 and Z3 2.3, Z3 2.8, MZ3 (S52 3.2), M Roadster, M Coupe.
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