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  1. BMW 3 Series Forum - Technical Talk on the BMW E46
    hi, my front cat flexi failed a while ago, now mot date pressures me to sort it out. There is a clamp on flexi repair kit on ebay, i used a repair kit before from there but that was a welding job. i just can't see how the flexi's clamps would fit in there behind the heat shields and sump...
  2. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi Guys, I want to replace the flexipipe on my 320d e46 and i have bought the flexi part to be welded on. But for some reason no garage seem to want to do it as apparently it take so much time to do. The general suggestion was that i get a decat downpipe fitted instead. Im still unclear on...
  3. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi Guys, i see a load of posts explaining the fitting of a de-cat to a 320D however can anyone tell me what size nuts and bolts are required? from the turbo and the mid pipe Thanks in advance
  4. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    I recently purchased a 2010 E91 335i LCI sport manual touring with the N55 engine. It's previously been to Birds Auto for a B3 conversion, quaife, bilstein suspension, arbs and a tune. I've been told by birds that this is an "additional ECU" as they could not map the N55 ecu at the time. I was...
  5. E46
    I want to put a straight through exhaust pipe on my E46 328i. If I do this will it get rid of the back pressure? Or will the engine management light come on, etc?... and will I have to make any other Mods to the car to accommodate the de cat? It has already had an ECU remap to its full...
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