12 21 7 801 201Preheating control unit
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Fits E46 330d 2003–05 — M57N engine
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Callout 02 on BMW’s drawing “GLOW PLUG UNIT”. Open the drawing →
This is a genuine BMW preheating control unit, part number 12 21 7 801 201. You will find it under Electrical (ALTERNATORMOUNTING PARTS). It supersedes the older number 12 21 7 788 327, so a part carrying that number is the same part.
Fits E46 330d (2003–2005), sedan, coupe, convertible and touring, with the M57N engine.
BMW draws it on the Glow Plug Unit drawing. It weighs about 240 g (0.5 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.
BMW has renumbered this part. All of these numbers are the same part.
12 21 7 801 201currentOut of stock12 21 7 788 327replaced by 12 21 7 801 201
The other parts on BMW’s drawing “GLOW PLUG UNIT”. Open the drawing →
| # | Part | In stock | Action |
|---|---|---|---|
| 01 | Glow element2 numbers at this callout | Out of stock | Request |
| 02 | Preheating control unit · this part4 numbers at this callout | Out of stock | |
| 03 | Bracket, relay, glow plug2 numbers at this callout | Out of stock | Request |
| 04 | Tubing support | Out of stock | Request |
| 05 | Socket housing | Out of stock | Request |
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