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Engine Splash Shield and Plate Removal
 
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Pelican Technical Article:

Engine Splash Shield and Plate Removal

Nick Czerula

Time:

1 hour1 hr

Tab:

$20

Talent:

**

Tools:

Set of sockets (16mm), wrenches, Phillips screwdriver

Applicable Models:

BMW E46 3-Series (1999-06)

Parts Required:

fasteners

Hot Tip:

Reinforcement plate fasteners are single use, have new ones on hand.

Performance Gain:

Better aerodynamics

Complementary Modification:

Clean up engine cooling pathways

To service components located below your E46 engine in the oil pan area, you will have to remove the engine splash shield and the front end reinforcement tubular brace or reinforcement plate (depending on model year). The engine splash shield is made of plastic and held in by twist-lock screws. The splash shield comes off and goes back on easy, and no parts are needed when removing. The front end reinforcement tubular brace or reinforcement plates are used to add stiffness to the front end of the vehicle. When removing, be sure to have new fasteners on hand (they are single use and cannot be reused). Reusing an old fastener could result in one breaking when least expected. The front end reinforcement brace has four M10 fasteners and the front end reinforcement plate has eight M10 fasteners.

Once the splash shields are out of the way, you gain access to many components located below the front of engine. Such as the engine oil pan, oil level sensor, lower drive belt area, front suspension, steering rack, tie rods, oxygen sensors and engine mounts.

All BMW E46 models come equipped with the plastic splash shield.

To remove the engine splash shield, the front end reinforcement brace or reinforcement plate, jack and support the front of vehicle safely. See our Pelican Parts Technical Article on Jacking Up Your BMW.

How to Remove the Engine Splash Shield:
While working under the vehicle, using a Phillips-head screwdriver rotate the engine splash shield fasteners 90Ãâ€ÂšÃƒƒÃ‚‚° then remove the engine splash shield (green arrows).
Figure 1

While working under the vehicle, using a Phillips-head screwdriver rotate the engine splash shield fasteners 90° then remove the engine splash shield (green arrows). The front end reinforcement tubular brace or reinforcement plate can be removed once the splash shield is out of the way.

How to Remove the Reinforcement Plate:
While working under vehicle, remove four 16mm fasteners then remove the tubular brace from the vehicle (green arrows).
Figure 2

While working under vehicle, remove four 16mm fasteners then remove the tubular brace from the vehicle (green arrows). Remember to discard the old fasteners, they must be replaced.

Also, if equipped, remove the four rubber plugs from the reinforcement plate (green arrows).
Figure 3

Also, if equipped, remove the four rubber plugs from the reinforcement plate (green arrows).

Next, remove the eight 16mm fasteners and remove the reinforcement plate from the vehicle (green arrows).
Figure 4

Next, remove the eight 16mm fasteners and remove the reinforcement plate from the vehicle (green arrows). Remember to discard the old fasteners, they must be replaced.

When reinstalling the front end reinforcement tubular brace or reinforcement plate, install using new fasteners. Torque fasteners in a cross pattern in two stages according to your vehicle's specifications. Install the engine splash shield and rotate the fasteners 90° to lock.
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Comments and Suggestions:
Raymond Comments: Where can i find the fasteners for the splash shield?
November 15, 2016
  Followup from the Pelican Staff: Give The Pelican Parts parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 
OvalPiston Comments: Why is replacing the M10 fasteners so important? Are the stock bolts so brittle that they crack? Or do they crack when they're removed?
August 23, 2016
  Followup from the Pelican Staff: BMW suggests replacing because they are torque to yield fasteners. I know most folks reuse them, but that is up to you to decide if to replace them or not. - Nick at Pelican Parts  
arthury Comments: Please confirm: if I were to look at the 16mm bolt straight on, to remove it, I should be turning the bolt in the counter-clockwise direction, like any other bolts. Is that correct?
October 6, 2014
  Followup from the Pelican Staff: Counterclockwise to removed. - Nick at Pelican Parts  
arthury Comments: Removing the 8 bolts from the metal reinforcement plate seem like a pain the neck. How many foot lbs are they tightened to ?
I have a wrench engaged and whacking it with a mallet and still none of them budged.
October 4, 2014
  Followup from the Pelican Staff: Try a breaker bar with a socket. Your wrench may not provide enough leverage. - Nick at Pelican Parts  
Saz Comments: where can I get that splash shield? the one for my 2001 BMW 325i got ripped off during my drive from pensacola to Vegas, want to replace it but all these splash guard/shield popping out on my search are all different and can't seem to find the one on this picture.

I went to rockauto.com and the one I bought there doesn't fit.
September 6, 2014
  Followup from the Pelican Staff: Give our parts specialists a call at 1-888-280-7799 and they can help figure out which part or repair kit you need.
- Nick at Pelican Parts
 
Jazzy Comments: 1.Engine splash shield has 3 washered grommets attached to the bumper, how to get them off ?
2.Tubular brace, then reinforcement plate removals, do I need to remove these to get at that insanely hard to get at 13 mm engine block coolant bolt with an "Aluminum Washer". I removed the Plastic Splash Plate after ruining the washered grommets not mentioned, but found it impossible to get at the 13 mm engine block nut let alone remove it.
Please advise because I'm pulling out my hair on this job !
Thanks,
Jazzy
June 21, 2014
  Followup from the Pelican Staff: Can you share a photo of the grommets? US vehicles may be different from yours.

The block drain is tough to get to. try a long extension with a universal socket. - Nick at Pelican Parts
 
KENNETH KWAN Comments: hi,

i could not find the fasteners on your website - do you have them for sale? I need them as part of replacing my oil sensor

thanks
October 24, 2013
  Followup from the Pelican Staff: Give our parts specialists a call at 1-888-280-7799. They can help you find the right part.
- Nick at Pelican Parts
 

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