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FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
Genuine BMW
BMW Part Number18 30 7 523 730

Exchange exhaust pipe catalyst

EU4 · E46 316Ci, 316i, 316ti & more · one of 5 types

Out of stock

One email when it is listed. Nothing else.

Free US shipping on orders over $75.00 · oversize quoted. Oversize items ship at a flat $49.99 each — free shipping does not cover them.

WARNING: Cancer and Reproductive Harm from exposure to lead — www.P65Warnings.ca.gov P65Warnings.ca.gov

Inspected and graded before it's listed · 30-day returns

Make sure this fits your car

Fits E46 316i, 316ti, 318i, 318ti 2001–04 — N42, N45, N46 engines

Select your vehicle to check fitment
See all 47 fitting cars
CoupeN45AllBX71

Other types · 5 in all

Exchange exhaust pipe catalyst – BMW diagram

Callout -- on BMW’s drawing “Suspension parts exhaust”. Open the drawing →

Also shown on Catalytic converter/centre muffler.

Genuine BMW part 18 30 7 523 730: Exchange exhaust pipe catalyst. You will find it under Exhaust (Suspension parts exhaust).

Fits E46 316i, 316ti, 318i and 318ti (2001–2004) with the N42, N45 or N46 engines.

BMW draws it on 2 drawings, among them Suspension parts exhaust and Catalytic converter/centre muffler. It weighs about 13 kg (30 lb).

Out of stock. Request it and we will notify you when it is in stock.

Details

EnginesN42, N45, N46
Weight13.45 kg

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 “Suspension parts exhaust”. Open the drawing →

#PartIn stockAction
--Exchange exhaust pipe catalyst · this partOut of stock
01BracketOut of stockRequest
02Hex BoltOut of stockRequest
03Washer2 numbers at this calloutOut of stockRequest
04Joint bushingOut of stockRequest
05Hex Bolt3 numbers at this calloutOut of stockRequest
06Self-locking collar nut3 numbers at this calloutOut of stockRequest
07Supporting plateOut of stockRequest
08Exhaust support2 numbers at this calloutOut of stockRequest
09Support shackle2 numbers at this calloutOut of stockRequest
10Hex BoltOut of stockRequest
11Flange nut2 numbers at this calloutOut of stockRequest
CoupeN45AllBX71

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InExhaustSuspension parts exhaust