Genuine BMW Part
Photos coming soon — see the BMW diagram below
13 View BMW DiagramSee this part on the official exploded view→What's Included
Sold as part of these kits
Hex nut — a genuine BMW part, number 18 30 7 525 607. The number stamped on the part is 18307525607; BMW's catalog files it under the short number 7525607. You will find it on our Exhaust shelf, under Suspension parts exhaust.
BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.
BMW draws it on 44 diagrams, among them Turbocharger and install. kit Value Line (11_6476) and Battery/starter ground cable (12_1470). It also comes in BMW kits Retrofit visible exhaust kit (2184133) and Retrofit visible exhaust kit (2407508).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
18 30 7 525 607183075256077525607No fitment data available for this part.
Turbocharger and install. kit Value Line
Diagram 11_6476
Battery/starter ground cable
Diagram 12_1470
BATTERY CABLE/CABLE STARTER
Diagram 12_1535
FRONT SILENCER
Diagram 18_0532
Catalytic converter/centre muffler
Diagram 18_0575
Catalytic converter/front silencer
Diagram 18_0606
Exhaust system, rear
Diagram 18_0810
Centre muffler
Diagram 18_0851
Exhaust system, rear
Diagram 18_0855
Engine-compartment catalytic converter
Diagram 18_0862
Centre muffler
Diagram 18_0864
Exhaust system, rear
Diagram 18_0873
Engine-compartment catalytic converter
Diagram 18_0881
Engine-compartment catalytic converter
Diagram 18_0921
FRONT SILENCER
Diagram 18_0922
Catalytic converter/front silencer
Diagram 18_0926
Engine-compartment catalytic converter
Diagram 18_0928
Exhaust system, rear
Diagram 18_0940
Exhaust system, rear
Diagram 18_0945
Exhaust system, rear
Diagram 18_0954
Engine-compartment catalytic converter
Diagram 18_0956
Engine-compartment catalytic converter
Diagram 18_0959
Engine-compartment catalytic converter
Diagram 18_0976
Engine-compartment catalytic converter
Diagram 18_0987
This part is on 20 more diagrams; the E36 and E46 ones are listed first.
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.