Bmw Bearing Color Code

Rod Bearing Codes: Code string is located on the first/front counterweight of the crankshaft. The code is alphabetical with one letter being for a upper and lower bearing shell combination. Rod bearings have 4 colors that are split into two color combinations: b = blue combination consists of a violet/purple upper shell and a blue lower shell.

The manual describes two color codes, red and blue, if the crankcase has red paint dots the main bearing bores are 65.00-65.01 mm and if it has blue dots these bores are between 65.01-65.02 mm. If you need new bearing shells you need to get the corresponding color shells as your crankcase shows, e.g. red or blue.

Clevite engine bearing color code chart. For over a quarter of a century, our engine bearings have been color coded for easy identification and installation. These aren't beauty marks, they are marks that insure you'll always be able to identify the right bearing size for every job.

When replacing bearings you can refer to these codes and order replacement bearings but BMW still recommends checking bearing clearance using Plastigage and. Lower main bearings: The lower main bearings are coded to the crankshaft itself using numbers. Similar to the system used on the engine block, these numbers correlate to a specific color, which in turn correlates to a specific grinding stage of the bearing, allowing for a precise tolerance between the bearings and the crankshaft main journals.

The numbers on the crankshaft counterweight. F80 M3 / F82 M4 Photos Threads (including BMW Individual colors). The BMW Genuine rod bearings that FCP has on "clearance", part numbers 11241284853 (red, lower) and 11241284854 (blue, upper).

For some reason, on the shopping results page, only the red has 50 over in the description, but if you look at the description of the upper bearing, it states it is 50 over as well. $240 for a set is kind of painful. This document provides information about BMW engine crankshaft and connecting rod bearings, including how to measure bearing clearance, determine the correct bearing size, and interpret the color codes and etching on newer BMW engines to identify the original bearing specification.

« Previous Thread Next Thread N54 Main and Rod Bearings. BMW All Colour Codes List Author: carsoftos777 29-01-2025, 03:40 Auto repair manual / BMW Views: 262 Comments: 0 Found a bug? On this page, we present you the decoding of the BMW color codes. If you did not find any code, it means that it has not been added to our database yet.

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