BMW Internal Engine Parts for BMW Z3 (1996-2002)

Clear BMW chassis

Please ensure your correct model is selected

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.

Sub-Categories

Sort By:

Performance Rod Bearing Kit - S54
For Late Model S54 Engines after 02/2003 production
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Late Model: S54 Engines after 02/2003 production and later use M10 Bolts.
5150 Autosport - Corporate Logo
T#:26171618
Part#: 5150-HPRBK-S54-L
Back Ordered
$ 529.99 USD
Free Shipping on orders $49 and up
$ 529.99 USD
Free Shipping on orders $49 and up
Now one of 5150's best sellers has gotten even better! With a 5150 Autosports' complete High-Performance Rod Bearing Kit, you get all the parts you need to easily swap out the factory connecting rod bearing shells and bolts in one simple kit. 5150's S54 bearings are embraced by BMW engine builders worldwide. Popular for both forced induction and N/A builds, their coated bearings are "friction resistant" making thermal breakdowns that can occur due to lack of lubrication a much less common occurrence. Helping to prevent premature engine failures on street cars, and spun bearings under stress at the track when things are most critical. Proven by customers to help you finish the race even with loss of oil pressure! Kit includes: (1) Complete set of ARP S54 Connecting Rod Bolts (1) Complete set of 5150 High Performance Rod Bearing Set (1) ARP Assembly Lubricant packet Tech Notes: As with all bearings, please check your tolerances and size before installation. Due to the specialized tools needed, professional install recommended. There are no returns available on any engine bearings.
Show More Show Less
OEM INA Engine Timing Chain - M50, M52, M54, S50, S52
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Ina - Corporate Logo
T#:42301980
Part#: ZC0255
Ships in 2 Business Days
$ 41.99 USD
Free Shipping on orders $49 and up
Preserve the performance and longevity of your BMW with the OEM INA Engine Timing Chain. Timing chains stretch over time causing sluggish performance, a check engine light or even a misfire. Replace yours today!
Show More Show Less
MAHLE PowerPak Piston Kit - 86.60mm Bore - 12.5 CR - S52 - 3.2L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2929011
Part#: 930024609
Back Ordered
$ 1,088.99 USD
Free Shipping
$ 1,088.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S52 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less

MAHLE PowerPak Piston Kit 86.60mm - S52 - 3.2L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2929009
Part#: 930024409
Ships in 1 Business Day
$ 1,088.99 USD
Free Shipping
$ 1,088.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S52 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less

MAHLE PowerPak Piston Kit 87.5mm - S54 - 3.2L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2958767
Part#: 930286145
Back Ordered
$ 1,088.99 USD
Free Shipping
$ 1,088.99 USD
Free Shipping
Forged, 2618. Get the performance and reliability your S54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less
BMW M54 3.0l MAHLE Forged Piston Kit 84.127mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2928980
Part#: 197843112
Back Ordered
$ 1,004.99 USD
Free Shipping
$ 1,004.99 USD
Free Shipping
Forged 4032. Get the performance and reliability your M54 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less

BMW S50/S52 6 Cyl. 284-Degree - Exhaust Camshaft
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Schrick - Corporate Logo
T#:589751
Part#: 0284A1840-0V2
Special Order: No Guaranteed ETA
$ 1,596.99 USD
Free Shipping
$ 1,596.99 USD
Free Shipping
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 S50 and S52 engines. For the power-hungry, these cams are a great way to achieve a linear increase in horsepower from mid-range, up to redline. Duration Exhaust- 284 Duration Exhaust @ 1mm - 253 Exhaust Peak Timing - 114-76 Cam Lobe Lift Exhaust - 11, 9 Valve Lift w/o Valve Clearance Exhaust - 11, 9 Valve Clearance Exhaust - 0, 25
Show More Show Less
MAHLE PowerPak Piston Kit 86.60mm - S52 - 3.2L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mahle Motorsports - Corporate Logo
T#:2929014
Part#: 930024709
Back Ordered
$ 1,085.99 USD
Free Shipping
$ 1,085.99 USD
Free Shipping
Forged, 4032. Get the performance and reliability your S52 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.
Show More Show Less

Genuine BMW Connecting Rod Bolt M10X1,25 - 11247834310 - E46 M3,E85 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:33075
Part#: 11247834310
In Stock
$ 7.99 USD
Free Shipping on orders $49 and up

Connecting rod bolt that fastens the piston rod and cap together at the crankshaft. 12 required for the S54 engine.


Genuine BMW Connecting Rod Bolt - M10X1,25
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4 with a production date from 02/2003

Fits BMW Engines including:
S54

 

Show More Show Less

Genuine BMW Cylinder Head Hose Connector
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:31265
Part#: 11121740396
Ships in 1-2 days
$ 15.99 USD
Free Shipping on orders $49 and up


Genuine BMW Connector - M12

This item fits the following BMW Chassis:
E36 M3,E30,E34,E36,E39

Fits BMW Engines including:
M10,M20,M30,M50,M52,S50,S52

Show More Show Less
Schrick Intake Camshaft - E46 M3, MZ3, MZ4 (S54) - 288 Degree, 12.5mm...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Schrick - Corporate Logo
T#:338222
Part#: TMS3572
Ships on Oct 29, 2026
Sale - Save 28% $ 5,600.99

This product was last offered at the strikethrough price on
07-08-2026

Starting at $ 4,048.04 USD
Free Shipping
Sale - Save 28%
$ 5,600.99

This product was last offered at the strikethrough price on
07-08-2026

Starting at $ 4,048.04 USD
Free Shipping
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
Show More Show Less
Connecting Rod Bushing - Set Of 6
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Kolbenschmidt - Corporate Logo
T#:4744851
Part#: 11241278209
Ships in 6 Business Days
$ 18.99 USD
Free Shipping on orders $49 and up
Recommended to be replaced anytime engine is being overhauled.