Genuine BMW Part
Photos coming soon — see the BMW diagram below
08 View BMW DiagramSee this part on the official exploded view→What's Included
Sold as part of these kits
Genuine BMW Collar nut (OEM part 7523805) — a used original part, inspected and graded before it ships.
Details
7523805No fitment data available for this part.
Exhaust manifold
Diagram 11_1081
Exhaust manifold
Diagram 11_1418
Exhaust manifold
Diagram 11_1483
Exhaust manifold with catalyst
Diagram 11_2283
Exhaust manifold
Diagram 11_2672
Exhaust manifold
Diagram 11_2678
Exhaust manifold
Diagram 11_2825
Exhaust manifold
Diagram 11_4612
Exhaust manifold
Diagram 11_4926
Exhaust manifold
Diagram 11_5270
EXHAUST PIPE FRONT SILENCER
Diagram 18_0209
Catalytic converter/front silencer
Diagram 18_0220
Catalytic converter/front silencer
Diagram 18_0221
Exhaust system with catalytic converter
Diagram 18_0222
Catalytic converter/front silencer
Diagram 18_0254
Catalytic converter/front silencer
Diagram 18_0255
Catalytic converter/front silencer
Diagram 18_0256
Catalytic converter/front silencer
Diagram 18_0300
Catalytic converter/front silencer
Diagram 18_0367
Exhaust pipe, catalytic converter
Diagram 18_0371
Catalytic converter/front silencer
Diagram 18_0374
CATALYST/LAMBDA PROBE
Diagram 18_0390
Catalytic converter/front silencer
Diagram 18_0408
FRONT SILENCER
Diagram 18_0483
Exhaust manifold with catalyst
Diagram 18_0491
FRONT SILENCER
Diagram 18_0492
Exhaust manifold with catalyst
Diagram 18_0512
FRONT SILENCER
Diagram 18_0513
FRONT SILENCER
Diagram 18_0532
CATALYST/LAMBDA PROBE
Diagram 18_0534
Exhaust manifold with catalyst
Diagram 18_0668
Exhaust manifold with catalyst
Diagram 18_0669
Engine-compartment catalytic converter
Diagram 18_0681
Engine-compartment catalytic converter
Diagram 18_0681
Catalytic converter/centre muffler
Diagram 18_0728
Engine-compartment catalytic converter
Diagram 18_0804
Engine-compartment catalytic converter
Diagram 18_0821
Engine-compartment catalytic converter
Diagram 18_0865
Engine-compartment catalytic converter
Diagram 18_0872
EXHAUST PIPE FRONT SILENCER
Diagram 18_0887
Catalytic converter/front silencer
Diagram 18_0889
Exhaust system with catalytic converter
Diagram 18_0890
Catalytic converter/front silencer
Diagram 18_0933
Catalytic converter/front silencer
Diagram 18_0934
Catalytic converter/front silencer
Diagram 18_0935
Related Parts
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: orders ship within 1–2 business days; free shipping over $75.00.
Collar nut
7523805We don't have this part in stock right now. Request it and we'll source it and notify you when it arrives.
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