Engine Internals

BMW engine internals include the rotating assembly - crankshaft, connecting rods, pistons, rings, bearings, sprockets, caps, and other items you would find when doing an engine rebuild or overhaul. From decades of racing experience we insist on selling the highest quality internal engine components that give the best performance with the longest life.

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Forged High Compression Oversized Piston Set (11.2 CR), Mahle - E36 M3, MZ3

Forged piston set with high compression and oversize

Price: $1,084.99
1179.80

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Forged Low Compression Oversized Piston Set, Mahle - E36 M3, MZ3

Forged piston set with ceramic coating and low compression and oversize bore

Price: $1,270.99
1381.80

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Forged Piston Set (Factory Specs), Mahle - E46 M3, MZ3 S54, Z4M

Forged piston set with stock specs for a rebuild

Price: $1,084.99
1179.80

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Forged Oversize Piston Set (1st Over), Mahle - E46 M3, MZ3 S54, Z4M

Forged piston set with slight oversize and stock compression for a rebuild

Price: $1,084.99
1179.80

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Forged Oversize Piston Set (2nd Over), Mahle - E46 M3, MZ3 S54, Z4M

Forged piston set with oversize bore and stock compression for a rebuild

Price: $1,084.99
1179.80

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Forged High Compression Oversize Piston Set (1st Over), Mahle - E46 M3, MZ3 S54, Z4M

Forged piston set with slight oversize and high compression for a performance build

Price: $1,084.99
1179.80

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Forged High Compression Oversize Piston Set (2nd Over), Mahle - E46 M3, MZ3 S54, Z4M

Forged piston set with oversize bore and high compression for a performance build

Price: $1,084.99
1179.80

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Forged Low Compression Piston Set (2nd Over), Mahle - E46 M3, MZ3 S54, Z4M

Forged piston set with ceramic coating with oversize bore and low compression for a turbo build

Price: $1,270.99
1381.80

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Forged Piston Set (Factory Specs), Mahle - E9X M3

Forged piston set with factory compression and bore size

Price: $1,424.99
1549.64

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Forged Oversize Piston Set (2nd Over), Mahle - E9X M3

Forged piston set with factory compression and larger bore size

Price: $1,424.99
1549.64

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Forged High Compression Oversize Piston Set, Mahle - E9X M3

Forged piston set with high compression and larger bore size

Price: $1,424.99
1549.64

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Forged High Compression Piston Set, Mahle - E9X M3

Forged piston set with high compression and factory bore size

Price: $1,424.99
1549.64

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Forged Piston Set (Factory Spec), Mahle - E60 M5, E63 M6

Forged piston set with factory specs for rebuild

Price: $1,781.99
1937.05

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Forged High Compression Piston Set, Mahle - E60 M5, E63 M6

Forged piston set with factory bore and high compression for more performance

Price: $1,781.99
1937.05

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Forged Oversize Piston Set, Mahle - E60 M5, E63 M6

Forged piston set with factory compression and larger bore size

Price: $1,781.99
1937.05

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Forged High Compression Oversized Piston Set, Mahle - E60 M5, E63 M6

Forged piston set with high compression and larger bore size

Price: $1,781.99
1937.05

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Forged Steel Crankshaft, BMW - F22 M235i/M235iR, F87 M2, F26 X4 M40i

New replacement crank for M Sport models. Genuine BMW part #11217602972.

Price: $1,981.50
2085.79

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Bearing Shell, Upper, Blue, BMW - E39 M5, E52 Z8

Factory BMW upper bearing shell replaces BMW part #11241407493

Price: $49.19
51.78

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Bearing Shell, Lower, Red, BMW - E39 M5, E52 Z8

Factory BMW lower bearing shell replaces BMW part #11241407492

Price: $49.19
51.78

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Main Bearing Upper Shell, 60mm, White, BMW - M20, M50, M54, S50, S52, S54

White-coded upper main bearing in standard size

Price: $33.23
34.98

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Main Bearing Upper Shell, 60mm, Green, BMW - M20, M50, M54, S50, S52, S54

Green-coded upper main bearing in standard size

Price: $33.23
34.98

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Thrust Bearing Upper Shell, 60mm, Green, BMW - M20, M42, M50, M52, M44, M54, S50, S52, S54

Green-coded upper thrust bearing in standard size

Price: $40.44
44.58

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Thrust Bearing Upper Shell, 60mm, White, BMW - M20, M42, M50, M52, M44, M54, S50, S52, S54

White-coded upper thrust bearing in standard size

Price: $44.33
46.66

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Thrust Bearing Lower Shell, 60mm, White, BMW - M20, M42, M50, M52, M44, M54, S50, S52, S54

White-coded lower thrust bearing in standard size

Price: $40.62
55.77

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Thrust Bearing Lower Shell, 60mm, Green, BMW - M20, M42, M50, M52, M44, M54, S50, S52, S54

Green-coded lower thrust bearing in standard size

Price: $44.33
46.66

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Main Bearing Lower Shell, 60mm, Green, BMW - M20, M50, M54, S50, S52, S54

Green-coded lower main bearing in standard size

Price: $33.23
34.98

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Main Bearing Lower Shell, 60mm, White, BMW - M20, M50, M54, S50, S52, S54

White-coded lower main bearing in standard size

Price: $33.23
34.98

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Timing Chain Tensioner Spring, BMW - E36, E46, E39, Z3, Z4, M50, M54, S52

Fresh tensioner spring replaces BMW part #11411706809

Price: $5.56
6.38

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Forged Oversize Piston Set, Mahle - E82 135i, E9X 335i, E60 535i, Z4 35i

Forged 2618 piston set in oversize bore and stock compression

Price: $1,084.99

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Main Timing Chain, OEM - E36, E46, E39, Z3, Z4, M50, M54, S52

OEM replacement timing chain is BMW part #11311432176

Price: $39.81
84.91

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VANOS Chain, OEM - E36, E46, E39, Z3, Z4, M50, M54, S52

OEM replacement upper chain is BMW part #11311432177

Price: $24.99
52.96

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Crankshaft Sprocket, BMW - E36, E46, E39, Z3, Z4, M50, M54, S52

Original BMW Lower Sprocket for primary timing chain and oil chain

Price: $164.24
177.20

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Piston Oil Squirter Nozzle, BMW - E46, E39, E60, E83, E53, Z3, Z4

Factory oil squirter replaces BMW part #11427507384

Price: $36.02
41.12

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Rod Bearing, Upper, Blue, BMW - G8X M2/M3/M4, F9X X3M/X4M (S58)

Genuine original upper bearing shell replaces BMW part #11248053291

Price: $51.32
54.02

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Rod Bearing, Lower, Red, BMW - G8X M2/M3/M4, F9X X3M/X4M (S58)

Genuine original lower bearing shell replaces BMW part #11248053292

Price: $51.32
54.02

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Connecting Rod Bolt, BMW - S58, S63, S63TU, S63T4, N63

Torque-to-yield bolt needed for rod bearing replacement. Genuine replacement for BMW part #11247845511.

Price: $4.53
5.27

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Timing Chain, BMW - G8X M2/M3/M4, F9X X3M/X4M (S58)

Genuine timing chain replaces BMW part #11318053399

Price: $113.85
149.80

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CP-Carillo PRO-H Connecting Rod Set with WMC Bolts - M42/M44 Engine

Lightweight and high-strength upgrade for the piston connecting rods on M42 and M44 4-cylinder engines.

Price: $1,230.60
1475.00

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CP-Carillo PRO-H Connecting Rod Set with CARR Bolts - M42/M44 Engine

Lightweight and high-strength upgrade for the piston connecting rods on M42 and M44 4-cylinder engines.

Price: $1,459.52
1789.00

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CP-Carillo PRO-H Connecting Rod Set with WMC Bolts - M52 S52 M54

Lightweight and high-strength upgrade for the piston connecting rods on the M52B28, S50, S52, and M54B30 engines.

Price: $1,845.90
2212.50

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Engine Internals

Forged High Compression Oversized Piston Set (11.2 CR), Mahle - E36 M3, MZ3

Price: $1,084.99 1179.80

Forged Low Compression Oversized Piston Set, Mahle - E36 M3, MZ3

Price: $1,270.99 1381.80

Forged Piston Set (Factory Specs), Mahle - E46 M3, MZ3 S54, Z4M

Price: $1,084.99 1179.80

Forged Oversize Piston Set (1st Over), Mahle - E46 M3, MZ3 S54, Z4M

Price: $1,084.99 1179.80

Forged Oversize Piston Set (2nd Over), Mahle - E46 M3, MZ3 S54, Z4M

Price: $1,084.99 1179.80

Forged High Compression Oversize Piston Set (1st Over), Mahle - E46 M3, MZ3 S54, Z4M

Price: $1,084.99 1179.80

Forged High Compression Oversize Piston Set (2nd Over), Mahle - E46 M3, MZ3 S54, Z4M

Price: $1,084.99 1179.80

Forged Low Compression Piston Set (2nd Over), Mahle - E46 M3, MZ3 S54, Z4M

Price: $1,270.99 1381.80

Forged Piston Set (Factory Specs), Mahle - E9X M3

Price: $1,424.99 1549.64

Forged Oversize Piston Set (2nd Over), Mahle - E9X M3

Price: $1,424.99 1549.64

Forged High Compression Oversize Piston Set, Mahle - E9X M3

Price: $1,424.99 1549.64

Forged High Compression Piston Set, Mahle - E9X M3

Price: $1,424.99 1549.64

Forged Piston Set (Factory Spec), Mahle - E60 M5, E63 M6

Price: $1,781.99 1937.05

Forged High Compression Piston Set, Mahle - E60 M5, E63 M6

Price: $1,781.99 1937.05

Forged Oversize Piston Set, Mahle - E60 M5, E63 M6

Price: $1,781.99 1937.05

Forged High Compression Oversized Piston Set, Mahle - E60 M5, E63 M6

Price: $1,781.99 1937.05

Forged Steel Crankshaft, BMW - F22 M235i/M235iR, F87 M2, F26 X4 M40i

Price: $1,981.50 2085.79

Bearing Shell, Upper, Blue, BMW - E39 M5, E52 Z8

Price: $49.19 51.78

Bearing Shell, Lower, Red, BMW - E39 M5, E52 Z8

Price: $49.19 51.78

Main Bearing Upper Shell, 60mm, White, BMW - M20, M50, M54, S50, S52, S54

Price: $33.23 34.98

Main Bearing Upper Shell, 60mm, Green, BMW - M20, M50, M54, S50, S52, S54

Price: $33.23 34.98

Thrust Bearing Upper Shell, 60mm, Green, BMW - M20, M42, M50, M52, M44, M54, S50, S52, S54

Price: $40.44 44.58

Thrust Bearing Upper Shell, 60mm, White, BMW - M20, M42, M50, M52, M44, M54, S50, S52, S54

Price: $44.33 46.66

Thrust Bearing Lower Shell, 60mm, White, BMW - M20, M42, M50, M52, M44, M54, S50, S52, S54

Price: $40.62 55.77

Thrust Bearing Lower Shell, 60mm, Green, BMW - M20, M42, M50, M52, M44, M54, S50, S52, S54

Price: $44.33 46.66

Main Bearing Lower Shell, 60mm, Green, BMW - M20, M50, M54, S50, S52, S54

Price: $33.23 34.98

Main Bearing Lower Shell, 60mm, White, BMW - M20, M50, M54, S50, S52, S54

Price: $33.23 34.98

Timing Chain Tensioner Spring, BMW - E36, E46, E39, Z3, Z4, M50, M54, S52

Price: $5.56 6.38

Forged Oversize Piston Set, Mahle - E82 135i, E9X 335i, E60 535i, Z4 35i

Price: $1,084.99

Main Timing Chain, OEM - E36, E46, E39, Z3, Z4, M50, M54, S52

Price: $39.81 84.91

VANOS Chain, OEM - E36, E46, E39, Z3, Z4, M50, M54, S52

Price: $24.99 52.96

Crankshaft Sprocket, BMW - E36, E46, E39, Z3, Z4, M50, M54, S52

Price: $164.24 177.20

Piston Oil Squirter Nozzle, BMW - E46, E39, E60, E83, E53, Z3, Z4

Price: $36.02 41.12

Rod Bearing, Upper, Blue, BMW - G8X M2/M3/M4, F9X X3M/X4M (S58)

Price: $51.32 54.02

Rod Bearing, Lower, Red, BMW - G8X M2/M3/M4, F9X X3M/X4M (S58)

Price: $51.32 54.02

Connecting Rod Bolt, BMW - S58, S63, S63TU, S63T4, N63

Price: $4.53 5.27

Timing Chain, BMW - G8X M2/M3/M4, F9X X3M/X4M (S58)

Price: $113.85 149.80

CP-Carillo PRO-H Connecting Rod Set with WMC Bolts - M42/M44 Engine

Price: $1,230.60 1475.00

CP-Carillo PRO-H Connecting Rod Set with CARR Bolts - M42/M44 Engine

Price: $1,459.52 1789.00

CP-Carillo PRO-H Connecting Rod Set with WMC Bolts - M52 S52 M54

Price: $1,084.99
1179.80

Price: $1,270.99
1381.80

Price: $1,084.99
1179.80

Price: $1,084.99
1179.80

Price: $1,084.99
1179.80

Price: $1,084.99
1179.80

Price: $1,084.99
1179.80

Price: $1,270.99
1381.80

Price: $1,424.99
1549.64

Price: $1,424.99
1549.64

Price: $1,424.99
1549.64

Price: $1,424.99
1549.64

Price: $1,781.99
1937.05

Price: $1,781.99
1937.05

Price: $1,781.99
1937.05

Price: $1,781.99
1937.05

Price: $1,981.50
2085.79

Price: $49.19
51.78

Price: $49.19
51.78

Price: $33.23
34.98

Price: $33.23
34.98

Price: $40.44
44.58

Price: $44.33
46.66

Price: $40.62
55.77

Price: $44.33
46.66

Price: $33.23
34.98

Price: $33.23
34.98

Price: $5.56
6.38

Price: $39.81
84.91

Price: $24.99
52.96

Price: $164.24
177.20

Price: $36.02
41.12

Price: $51.32
54.02

Price: $51.32
54.02

Price: $4.53
5.27

Price: $113.85
149.80

Price: $1,230.60
1475.00

Price: $1,459.52
1789.00

Price: $1,845.90
2212.50