
| Position | Connecting rod: 1, 2, 3, 4 |
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|---|---|---|---|---|---|---|---|
| Pairs & Part Numbers |
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| Quantity | 4 | ||||||
| Crankshaft Diameter | 51.971 / 51.953mm | ||||||
| Housing Diameter | 55.001 / 55.009mm | ||||||
| Max Wall Thickness | 1.501mm | ||||||
| Max Length | 17.000mm |

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| Quantity | 1 | 4 | ||||||||||||
| Crankshaft | 52.964 / 52.951 | 52.964 / 52.951 | ||||||||||||
| Housing | 56.655 / 56.667 | 56.655 / 56.667 | ||||||||||||
| Max Wall | 1.831 | 1.826 | ||||||||||||
| Max Length | 28.049 | 20.099 |

|
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| Quantity | 4 | ||||||
| Crankshaft | 50.808 / 50.787 | ||||||
| Housing | 53.896 / 53.914 | ||||||
| Max Wall | 1.537 | ||||||
| Max Length | 19.601 |

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| Quantity | 5 | ||||||
| Crankshaft | 47.777 / 47.757 | ||||||
| Housing | 50.599 / 50.620 | ||||||
| Max Wall | 1.402 | ||||||
| Max Length | 18.971 |

|
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| Quantity | 4 | ||||||
| Crankshaft | 45.001 / 44.991 | ||||||
| Housing | 48.001 / 48.019 | ||||||
| Max Wall | 1.491 | ||||||
| Max Length | 23.500 |

|
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| Quantity | 4 | ||||||
| Crankshaft | 51.999 / 51.984 | ||||||
| Housing | 55.001 / 55.019 | ||||||
| Max Wall | 1.501 | ||||||
| Max Length | 16.500 |

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B8296H |
4B8296HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
2.0466in / 51.984mm |
|
| Max Std Shaft Size |
2.0472in / 51.000mm |
|
| Min Std Tunnel Size |
2.1654in / 55.000mm |
|
| Max Std Tunnel Size |
2.1661in / 55.020mm |
|
| Max Wall at Crown |
0.0591in / 1.500mm |
0.0585in / 1.487mm |
| Max Overall Length |
0.6496in / 16.50mm |
|
| Notes | Suits 52mm journal only | |
|
Diagram |
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| Quantity | 4 | ||||||
| Crankshaft | 48.001 / 47.986 | ||||||
| Housing | 51.003 / 51.024 | ||||||
| Max Wall | 1.488 | ||||||
| Max Length | 21.250 |

Manufacturer: ACL Bearing company
Part number: 6B1569HX-STD
BMW M3 E46 - 3.2 (S54B32)
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 6B1569H |
6B1569HX |
|
| Sizes | STD, .025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.9281in / 48.975mm |
|
| Max Std Shaft Size |
1.9288in / 48.991mm |
|
| Min Std Tunnel Size |
2.0866in / 53.000mm |
|
| Max Std Tunnel Size |
2.0872in / 53.015mm |
|
| Max Wall at Crown |
0.0785in / 1.993mm |
|
| Max Overall Length |
0.630in / 16.00mm |
|
| Notes | ||

| ENGINE BEARINGS | ||||
![]() |
CON ROD BEARING SET |
MAIN BEARING SET |
||
| Part# | Part# | |||
| 5M1112H |
||||
| Sizes | STD, .025, .25, .50 | |||
| Oil Clearance | Standard | |||
| Half Type | Upper & Lower | |||
| Material | Tri-Metal | |||
| Min Std Shaft Size |
2.3606" / 59.959mm |
|||
| Max Std Shaft Size |
2.3611" / 59.972mm |
|||
| Min Std Tunnel Size |
2.5062" / 63.657mm |
|||
| Max Std Tunnel Size |
2.5069" / 63.675mm |
|||
| Max Wall at Crown |
0.0720" / 1.829mm |
|||
| Max Overall Length |
0.723" / 18.36mm # 2, 4 (1113H) 1.005 " / 25.52mm # 1, 3, 5 (1112H) |
|||
| Notes | Set contains 6 x 1112H and 4 x 1113H shells. | |||
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Diagram |
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