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General E46 Forum
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Old 08-22-2012, 02:58 AM   #1
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Blueflame exhaust on diesel & MOT?


I'm thinking on putting a blueflame exhaust system on my 330Cd. I allready have a de-cat downpipe, but I'm wondering whether the car will pass MOT (in The Netherlands) when also the rest of the exhaust is non-original. I once understood, there are two particle filters in the exhaust system, of which I removed one.

Reason for wanting this is that I blew off the exhaust from the downpipe the other day. Probably, the bolt was not secured very well, but I had driven it for 3000 km like that. When it blew off, I floored it from the traffic light. Seemingly the standard exhaust is pretty restrictive at high revs, so the performance off the car will improve when putting a flow through exhaust on, I guess?
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Old 08-23-2012, 04:53 AM   #2
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Nobody's got an aftermarket sytem on a diesel engine and had it MOT'd?
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Old 08-23-2012, 07:07 AM   #3
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IIRC, for the EU MOT's, you have to have the emissions components from the factory still on the vehicle.

Your mileage may vary. Try contacting your local shop for an inquiry. Don't know of too many NL users here.
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Old 08-23-2012, 09:16 AM   #4
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depending on the law I guess. but I guess if you de-cat, you are not gonna pass.
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