Home › BMW M3 / M4 F80 F82 › Spark plugs
M3 / M4 · Power
M3 / M4 Spark plugs Install Guide
Your M3 / M4
Pick your year to see what fits.
This page covers the US M3 / M4.
+0–3 whp (est.)
Hard$100–$2003 hrs
Why do it
Fresh plugs bring back lost power.
Tools you'll need
- Spark plug socket
- Extension
- Torque wrench
- E-Torx sockets
Starting out? See our budget tool list.
Parts to buy
- Genuine BMW plug ZMR5T99330 Listed for the F80 and F82. Buy 6.Fits 2015–2020
Doesn't fit your car (0)
Double-check fitment before buying. We may earn a commission when you buy through these links, at no extra cost to you.
Before you start
- Work on a cold engine. Do one plug at a time.
Steps
Remove the rubber seals and cover
- Let the engine cool, then pull the seals and rivets.
Unplug and move aside
- Unplug the connector and move the part out of the way.
Remove the strut brace
- Unbolt the brace on both sides.
Pull the beauty cover
- Lift the cover and unclip the harness.
Swap the plugs
- Pull the plugs and fit the new ones.
Refit it all
- Refit the grommet and upper parts.
How to know it worked
- The engine starts and idles smoothly.
- No warning lights.
Did this guide work for you?
Fixes from the community:
Suggest a fix
For:
Safety first
- Park on flat ground, set the parking brake and chock the wheels.
- Never get under a car held up only by a jack. Use jack stands.
- Let the engine and exhaust cool first.
- Disconnect the battery before unplugging electrical parts.
- Wear safety glasses.
- If something doesn't match your car, stop and ask a shop.
Follow your part's instructions and your service manual's torque specs.
Spark Plug install guides for other cars