Engine - Rough Idle During Warm-up Phase: Overview

1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)SECTION Overview
Group 12
Engine Electrical

Bulletin Number
12 02 94 (4013)

Woodcliff Lake, NJ
August 1994
Product Engineering

This Service Information bulletin replaces S.I. 13 01 94 (3958) dated March 1994, which should be removed from your S.I. binder and discarded.

SUBJECT:
Rough Idle During Warm-Up Phase

MODELS:
E32, E34 Vehicles with M60 Engine Produced up to 5/93





























RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.