Parts required:
Clamping bush d=50mm (2x) 18 30 7 560 777
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Here are a few pictures of the stock exhaust system:
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Front section:
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Step 1:
The first step is to remove the stock rear muffler. You need to cut through the stock exhaust system, the cut line is here directly below where my drive shaft gaiter is. This is the line BMW use when replacing the rear muffler.
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Next disconnect the vacuum hose from the exhaust flap.
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Now remove the nuts holding the brackets on the stock muffler to the body. Two nuts per bracket, two brackets - one on each side.
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Now remove the muffler from the car. Take care - the weight is approximately 15kg. Now you can remove the two brackets from the muffler (as seen below), we will reuse these.
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Step 2:
Step two is to produce pipes and bracketry to replace the stock rear muffler. This may not be a DIY step but this is a very easy job for any exhaust place.
I used mild steel pipe (half the price of stainless). You can see I used some tabs between the pipes to increase the rigidity.
The clamps state 45Nm torque value on them but this is too much, around 30Nm will suffice.
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You can reuse the original brackets now by bending a bar to span them and then dropping a hanger down to the new pipes.
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Job done :thumbup:
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Clamping bush d=50mm (2x) 18 30 7 560 777
Here are a few pictures of the stock exhaust system:
Front section:
Step 1:
The first step is to remove the stock rear muffler. You need to cut through the stock exhaust system, the cut line is here directly below where my drive shaft gaiter is. This is the line BMW use when replacing the rear muffler.
Next disconnect the vacuum hose from the exhaust flap.
Now remove the nuts holding the brackets on the stock muffler to the body. Two nuts per bracket, two brackets - one on each side.
Now remove the muffler from the car. Take care - the weight is approximately 15kg. Now you can remove the two brackets from the muffler (as seen below), we will reuse these.
Step 2:
Step two is to produce pipes and bracketry to replace the stock rear muffler. This may not be a DIY step but this is a very easy job for any exhaust place.
I used mild steel pipe (half the price of stainless). You can see I used some tabs between the pipes to increase the rigidity.
The clamps state 45Nm torque value on them but this is too much, around 30Nm will suffice.
You can reuse the original brackets now by bending a bar to span them and then dropping a hanger down to the new pipes.
Job done :thumbup:
