12 90 1 437 378Carrier relay
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Inspected and graded before it's listed · 30-day returns
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Fits E46 316i–M3 & more 1997–2005 — M52, M54, M56 engines
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Callout 03 on BMW’s drawing “Control unit box”. Open the drawing →
Also shown on Control unit box.
This is a genuine BMW carrier relay, part number 12 90 1 437 378. You will find it under Electrical (Other Engine Electrical System parts).
Fits E46 320i, 323i, 325i and 328i (1999–2006) with the M52, M54 or M56 engines.
BMW draws it on 3 drawings, among them two Control unit box drawings. It weighs about 40 g (under 0.1 lb).
Out of stock. Request it and we will notify you when it is in stock.
Details
Used parts are inspected and graded: Good (minimal wear), Fair (normal wear) or Acceptable (visible wear). All fully working. Returns: 30 days if a part arrives damaged or not as described.
The other parts on BMW’s drawing “Control unit box”. Open the drawing →
| # | Part | In stock | Action |
|---|---|---|---|
| -- | Cover electronic-box3 numbers at this callout | Out of stock | Request |
| 01 | Cover electronic-box2 numbers at this callout | Out of stock | Request |
| 02 | Bottom part, E-Box | Out of stock | Request |
| 03 | Carrier relay · this part | Out of stock | |
| 04 | Grommet | Out of stock | Request |
| 05 | Cover5 numbers at this callout | Out of stock | Request |
| 06 | Inner hex bolt2 numbers at this callout | Out of stock | Request |
| 07 | Temperature switch | Out of stock | Request |
| 08 | Control unit support3 numbers at this callout | Out of stock | Request |
| 09 | Tubing support | Out of stock | Request |
| 10 | Carrier control unit | Out of stock | Request |
| 11 | Grommet | Out of stock | Request |
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