E30 M20 engine clutch kits

$495.95

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Replacement clutch kits for '84-'91 E30 3-series

How to choose a clutch

The selection of the correct clutch for the intended application is critical to good operation, including the characteristics of (but not limited to:

clutch feel
operating temperature range
wear characteristics / durability
clamping force
break-in period

Quite often, the first impulse is to get "too much" clutch. This is often a very big mistake, as there will be compromises in some or all of the operational features listed above.

The first step in identifying what clutch to get is dependent on the characteristics of the car. Ask these questions:

How much power does the car make?
How is it used? Street driving or track use? If for racing, what kind of racing?

As we are dealing with BMW applications here, let's use an widely-understood example - the 1992-2004 6-cylinder 3-series. Over this 12 year period comprising two different chassis, we are still dealing with virtually the same fundamental engine and transmission designs. Power ranges from around 190hp to 333hp. Typical bolt-on modifications bring many of the early models up to the 215hp-260hp range and later models around 350hp. Extensive modifications including supercharging or turbocharging bring power to the 350hp-450hp range, with some examples in the 500hp-600hp range. The typical BMW enthusiast uses the car primarily for sporty street driving, and the occasional auto-x or track day. The 3-series is also popular as a heavily-tracked car and dedicated race car. Some see time spent drag racing, whether occasionally or as dedicated drag racers.

So it is apparent that we have a broad range of power and use to contend with.

Presented in increasing "aggressiveness", here is a brief overview of clutch compounds, their power handling, and other characteristics:
(note that hp figures are generalized, pressure plate clamping force and torque curves are additional factors)

performance organic
CHARACTERISTICS	Same as organic above
USE	Street-driven track cars up to 500hp, auto-x and track use.

cerametallic
CHARACTERISTICS	Very high temperature materials, usually only found on multi-puck disks. Will accommodate 500hp+. Engagement is more abrupt. Will wear flywheel surface faster, especially in traffic situations. Has a higher temp range. Multi-puck design may result in slight shuddering or "stepped" engagement when used in traffic situations, although many users report completely acceptable operation. Material is a light tan coolor.
USE	Street/strip applications for drag-racing, heavy track use, and TCD turbo applications. Will take very hard use, suitable for extreme-clamping applications.

Purchase E30 M20 engine clutch kits

CHOOSE CLUTCH TYPE:: UUC Performance Organic; UUC Segmented Kevlar; UUC 6-puck ceramic; UUC 9-button cerametallic