BMW Internal Engine Parts for BMW 5 Series E39 (1996-2003)

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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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Valley Pan Cover

10X Entries Into Our F80 M3 Sweepstakes

T#:2332903

Part#: 11141742042

Special Order: No Guaranteed ETA

Sale - Save 6% $ 70.99

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

$ 66.85 USD

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Sale - Save 6%

$ 70.99

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

$ 66.85 USD

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If your vehicle has started leaking coolant around the intake area and it is not the pipes it is probably the valley pan. Gasket included.

Febi Cylinder Head Bolt Set - E39, E46, E53

For vehicles with production date from 09/1998

We Price Match - Give Us A Call or Chat!

T#:363746

Part#: 11121740065

Special Order: No Guaranteed ETA

$ 40.99 USD

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$ 40.99 USD

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Includes all head bolts in one cylinder head

CP-Carrillo Forged Piston Set - M54B28 Std. Size

For Vehicles With M54B25 Engine Only

T#:26071892

Part#: M54B25-CPP-84

Back Ordered

Starting at $ 2,206.98 USD

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Starting at $ 2,206.98 USD

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CP-Carrillo sets the benchmark for premium aftermarket forged pistons. Crafted with high-strength, lightweight materials and cutting-edge engineering, this BMW M54B25 piston set boasts the following features: Lightweight Design: Constructed from forged aluminum alloy, CP-Carrillo pistons offer reduced weight, enhancing engine responsiveness and acceleration for a dynamic driving experience. Advanced Engineering: Leveraging state-of-the-art technology, CP-Carrillo engineers optimize combustion, fuel efficiency, and power output, ensuring peak performance in every application. Wide Configuration Range: With a variety of bore sizes and compression ratios available, CP-Carrillo provides options to tailor pistons to specific engine builds and performance objectives. Quality Construction: Each CP-Carrillo piston undergoes precision machining and rigorous testing to meet exacting standards, guaranteeing consistent quality and performance in every set. Engineered by one of motorsport's most respected names, CP-Carrillo pistons are the ultimate choice for the M54B25 engine, whether for street performance or track dominance. Piston Sets Include: Pistons Rings Pins Locks Spec Sheet Optional Extras: Skirt Coating - Adding a Protective Layer Between the Sides of the Piston and Cylinder Walls Dome Coating - Adding a Protective Layer to the Top of The Piston HD-Wrist Pins - A Must if You are Planning on Going Beyond 850 HP! X Forging - Reducing Rotational Mass By Moving the Wristpin Inwards and Shortening it While Increasing Overall Strength Please Note: It is essential to have all engine modifications performed by a qualified professional to ensure proper installation and optimal engine performance, safety, and reliability.

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Intake Valve - E36 E46 E34 E39 Z3 (M42, M44, M50, M52, M52TU) ...

T#:1617

Part#: 11341739820

Back Ordered

Sale - Save 27% $ 15.99

This product was last offered at the strikethrough price on
05-14-2026

$ 11.72 USD

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Sale - Save 27%

$ 15.99

This product was last offered at the strikethrough price on
05-14-2026

$ 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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OEM INA Engine Oil Pump Chain - E36, E46 ,Z3 , Z4

T#:42301987

Part#: ZC0128

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$ 13.99 USD

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$ 13.99 USD

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Keep your BMW’s heart pumping strong, use the INA Oil Pump Chain to replace your stetched and worn out oil pump chain to ensure your engines oiling system is operating at peak performance.

Professional BMW M54B30 Piston Set Of 6 – 84.00 Mm Bore – 30.32 M...

T#:45210339

Part#: KE324M84

Back Ordered

$ 1,081.99 USD

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$ 1,081.99 USD

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CP Forged Piston Set - BMW M54B25 - 84mm Bore - 8.5:1 CR

T#:48367042

Part#: CPFPSM54B25848.5

Back Ordered

$ 1,399.99 USD

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$ 1,399.99 USD

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CP Carrillo offers arguably the highest qulaity pistons on the market for BMWs, engineered for maximum power and durability. Utilizing high-strength, lightweight materials and advanced engineering and design to ensure they are the perfect choice for any M54B25 engine and application, from street to track use.

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BMW Internal Engine Parts for BMW 5 Series E39 (1996-2003)

Sub-Categories

Valley Pan Cover

Febi Cylinder Head Bolt Set - E39, E46, E53

CP-Carrillo Forged Piston Set - M54B28 Std. Size

Intake Valve - E36 E46 E34 E39 Z3 (M42, M44, M50, M52, M52TU) ...

OEM INA Engine Oil Pump Chain - E36, E46 ,Z3 , Z4

Professional BMW M54B30 Piston Set Of 6 – 84.00 Mm Bore – 30.32 M...

CP Forged Piston Set - BMW M54B25 - 84mm Bore - 8.5:1 CR

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