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Catalyst gasket for BMW E46 with M52 engine - BC20451

4,9 (6 Feedback - 4 reviews) (6)

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1,49 €

ATI

Catalyst gasket for BMW E46 with M52 engine

Located at the outlet of the catalytic converter, for connection with the exhaust line,

For Saloon & Touring:
- 320 i M52
- 323i M52 (Saloon only)
- 328 i M52

For Coupé:
- 320 Ci M52
- 323Ci M52
- 328Ci M52

...

Qty :

In stock

Shipped by Mecatechnic on: Monday, February 9, 2026

Delivery mode

Relay Mondial Relay - 48/72h : 4.90€

Relay La Poste - 48/72h : 5.90€

Colissimo - 48/72h : 6.90€

TNT - 24/48h : 8.90€

Chronopost - 24h : 10.90€

Collect at store Wambrechies (France) : Free

Description Technical caracteristics Customer review Vehicle compatibility

Description Product

Details about : Catalyst gasket for BMW E46 with M52 engine

Sold individually
2 required per vehicle

Original reference OEM:

18 30 1 440 183

Technical caracteristics

Inlet inner diameter (mm)

43.8

Centre distance (mm)

Length (mm)

Thickness (mm)

Customer review

4.8

6 Feedback

5

5 Feedback
4

1 Feedback
3

0 Feedback
2

0 Feedback
1

0 Feedback

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Best reviews

Guillaume C

02/04/2020 - France (except Dom-Tom-Corsica)

Identical to the original, good product

Arnaud M

10/04/2023 - France (except Dom-Tom-Corsica)

Nothing to complain about: it's mountable and waterproof.

Wayab M

13/09/2023 - France (except Dom-Tom-Corsica)

Thank you very much, very good product

Sliman R

27/04/2021 - France (except Dom-Tom-Corsica)

My opinion is not objective, I ordered and received this piece but it wasn't the one I was looking for. Maybe I should give a little more technical detail, because I went by feel...so not good...

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Vehicle compatibility

BMW

BMW E46 :

Visit the category Exhaust system joints BMW E46

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