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FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
3 Series Parts

Connecting support

BMW Part Number:18 21 1 436 309
18211436309short number 1436309
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One email the moment one is listed — nothing else.

Fits E46 — 316Ci, 316i, 316i 1.6, 316i 1.9, 316ti, 318Ci, 318d, 318i +13 more
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Genuine BMW Part

Photos coming soon — see the BMW diagram below

Connecting support – BMW diagram02 View BMW DiagramSee this part on the official exploded view

Genuine BMW part 18 21 1 436 309: Connecting support. The number stamped on the part is 18211436309; BMW's catalog files it under the short number 1436309. You will find it on our Exhaust shelf, under Other Exhaust system parts.

It fits every E46 body style (320i, 323i and 325i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.

BMW draws it on 19 diagrams, among them Catalytic converter/front silencer (18_0316) and Front Silencer (18_0320). It weighs about 760 g (1.7 lb).

We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.

Details

BMW Part Number18 21 1 436 309
Also written as182114363091436309
QualityGenuine BMW · OEM
CompactM47NAllAT91

Every used part is inspected and graded before listing. Condition grades:

  • Good — minimal wear, fully functional.
  • Fair — normal wear, fully functional.
  • Acceptable — visible wear, still functional.

Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.

Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.