Hearth Record

Electrical system: wiring: front underhood (BMW)

Vehicle recall 78V-074. NHTSA received BAYERISCHE MOTOREN WERKE’s report on Apr 4, 1978.

NHTSA’s own record, on nhtsa.gov

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The short answer

NHTSA received BAYERISCHE MOTOREN WERKE’s report on Apr 4, 1978. Copied from NHTSA on Oct 28, 2026.

Every line below is in NHTSA’s own words, with its source beside it.

What’s wrong with it?

The notice gives no hazard in a field of its own.

THE HEX HEAD BOLT THAT CONNECTS THE MAIN WIRING HARNESS TO TERMINAL #30 MAY NOT HAVE BEEN TIGHTENED TO THE PROPER TORQUE.

Source:

NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.

  • NHTSA’s part: Electrical system: wiring: front underhood.

What should you do?

THE DEALER WILL REMOVE THE FUSE PANEL AND RETIGHTEN THE 5-MM HEX HEAD BOLT IN THE MAIN POWER TERMINAL UNDERNEATH THE FUSE PANEL, WITHOUT CHARGE TO OWNER.

Source:

NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.

  • How to reach the firm: VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: ELECTRICAL; WIRING HARNESS BOLT.CONSEQUENCES OF DEFECT: DUE TO ENGINE VIBRATION AND HIGH ENGINE REVOLUTIONS,THE BOLT MAY BECOME LOOSE OVER A PERIOD OF TIME CAUSING TEMPORARY CURRENTINTERRUPTION AND BREAKDOWN OF THE VEHICLE”S ELECTRICAL SYSTEM. ENGINE MISFIRINGAND TEMPORARY BLACKOUT OF THE LIGHTING SYSTEM MAY OCCUR DURING THE NIGHT TIME.FAILURE OF THE LIGHTING SYSTEM COULD RESULT IN A VEHICLE ACCIDENT.
  • Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.

Which ones are recalled?

NHTSA counts 28,819 vehicles potentially involved, across everything this recall names.

Source:

NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.

  • BMW 320IAand 1977 and 1978, before the model years listed here
  • BMW 320Iand 1977 and 1978, before the model years listed here

Who is recalling it?

  • Made by BAYERISCHE MOTOREN WERKE.
Source:

NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.

What the record doesn’t say

  • NHTSA’s recall file doesn’t say whether anyone was hurt.
  • Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
  • This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
  • How many have been returned or fixed isn’t in the notice.
Source:

Hearth Record wrote these lines.

Sources

Source:

Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 28, 2026.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 28, 2026. Updated monthly.

From the homeNone yet. Replies and paid listings aren’t open, and when they open they will sit here, below the record.

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Every fact names its source.

Who published it, when, and how often it changes sit beside each fact, with a link to the agency’s own file.

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