18 30 7 525 551Exchange exhaust pipe catalyst
EU3 · one of 5 types
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Fits E46 316i, 316ti, 318i, 318ti 2001–04
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Other types · 5 in all
Callout 01 on BMW’s drawing “Catalytic converter/centre muffler”. Open the drawing →
Genuine BMW part 18 30 7 525 551: Exchange exhaust pipe catalyst. You will find it under Exhaust (Suspension parts exhaust). It supersedes the older number 18 30 7 521 989, so a part carrying that number 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 the Catalytic converter/centre muffler drawing. It weighs about 13 kg (29 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.
18 30 7 525 551currentOut of stock18 30 7 511 648replaced by 18 30 7 525 55118 30 7 521 989replaced by 18 30 7 525 551
The other parts on BMW’s drawing “Catalytic converter/centre muffler”. Open the drawing →
| # | Part | In stock | Action |
|---|---|---|---|
| -- | Hex Bolt2 numbers at this callout | Out of stock | Request |
| 01 | Exchange exhaust pipe catalyst · this part7 numbers at this callout | Out of stock | |
| 02 | Gasket2 numbers at this callout | Out of stock | Request |
| 03 | Hex nut | Out of stock | Request |
| 04 | Clamping bush | Out of stock | Request |
| 05 | Vibration absorber3 numbers at this callout | Out of stock | Request |
| 06 | Collar screw | Out of stock | Request |
| 07 | Connecting support2 numbers at this callout | Out of stock | Request |
| 08 | Rubber mounting | Out of stock | Request |
| 09 | Flange nut | Out of stock | Request |
| 10 | Hex Bolt with washer | Out of stock | Request |
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