Genuine BMW Part
Photos coming soon — see the BMW diagram below
16 View BMW DiagramSee this part on the official exploded view→Genuine BMW part 18 11 4 090 251: Hex nut. The number stamped on the part is 18114090251; BMW's catalog files it under the short number 4090251. You will find it on our Exhaust shelf, under Other Exhaust system parts. BMW has since replaced it with 1713432.
BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.
BMW draws it on 34 diagrams, among them Cylinder head (11_2363) and Oil filter (11_2381). It weighs about 5 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
18 11 4 090 251181140902514090251No fitment data available for this part.
Cylinder head
Diagram 11_2363
Oil filter
Diagram 11_2381
COOLING SYSTEM - WATER HOSES
Diagram 11_2386
Intake manifold
Diagram 11_2391
Intake manifold
Diagram 11_2392
Intake manifold
Diagram 11_2394
Intake manifold
Diagram 11_2395
Intake manifold
Diagram 11_2396
Intake manifold
Diagram 11_2397
Intake manifold
Diagram 11_2398
Cylinder head
Diagram 11_2423
Intake manifold
Diagram 11_2426
Intake manifold
Diagram 11_2428
Intake manifold
Diagram 11_2430
Cylinder head cover/Mounting parts
Diagram 11_2434
COOLING SYSTEM - WATER HOSES
Diagram 11_2454
Intake manifold
Diagram 11_2458
Intake manifold
Diagram 11_2459
Radiator
Diagram 11_2542
Intake manifold
Diagram 11_2547
INT.MANIF.SYST.-AIR ACCUMULATOR
Diagram 11_2548
CARBURETOR MOUNTING PARTS
Diagram 13_0655
CARBURETOR MOUNTING PARTS
Diagram 13_0661
CARBURETOR DIDTA
Diagram 13_0665
This part is on 11 more diagrams; the E36 and E46 ones are listed first.
Supersession
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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.
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