12 31 7 540 655Voltage regulator
110A · one of 2 types
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Fits E46 316i, 316ti, 318i, 318ti 2001–04
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Other types · 2 in all
Callout 02 on BMW’s drawing “Alternator single parts, 90/110A Bosch”. Open the drawing →
Also shown on Alternator.
Voltage regulator — a genuine BMW part, number 12 31 7 540 655. You will find it under Electrical (Alternator with motor and mounting). It supersedes the older numbers 12 31 7 523 065 and 12 31 7 541 853, so a part carrying any of them is the same part.
Fits E46 316i, 316ti, 318i and 318ti (2001–2004) with the N40, N42, N45 or N46 engines.
BMW draws it on 2 drawings, among them Alternator single parts, 90/110A Bosch and Alternator. It weighs about 60 g (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.
BMW has renumbered this part. All of these numbers are the same part.
12 31 7 540 655currentOut of stock12 31 7 505 921replaced by 12 31 7 540 65512 31 7 512 163replaced by 12 31 7 540 65512 31 7 523 065replaced by 12 31 7 540 65512 31 7 536 974replaced by 12 31 7 540 65512 31 7 541 853replaced by 12 31 7 540 655
The other parts on BMW’s drawing “Alternator single parts, 90/110A Bosch”. Open the drawing →
| # | Part | In stock | Action |
|---|---|---|---|
| -- | Compact alternator2 numbers at this callout | Out of stock | Request |
| 01 | Pulley alternator | Out of stock | Request |
| 02 | Voltage regulator · this part | Out of stock | |
| 03 | Cap | Out of stock | Request |
| 04 | Hex Bolt with washer | Out of stock | Request |
| 05 | Cap nut | Out of stock | Request |
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