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  1. T5 chassis platorm with Wheelchair bus body in process of converting to camper.

    Welcome to The VW T4 Forums
    Hi Guys Kasver here I bought a T5 2009 based Wheelchair bus to convert into a camper and surprise , surprise have been having a few issues. As I am more used to petrol engines on a steep learning curve with a diesel engine. Also, my T5 engine is a BNZ coded one and finding it difficult to find...
  2. 2.5 bnz missfire issues

    Engine & Gearbox
    Hi I Have got a t5 2.5 130bnz which has developed a misfire about 1800-2000 Rpm it is there when the engine is cold from start up right through till up to temperature through all gears it judder but only at 1800-2000rpm No fault codes logged, no lights on I have removed an had the injectors...
  3. Swap from AXD to BNZ

    Engine & Gearbox
    Trying to track down wiring diagrams for the AXD 2005-2006 and the BNZ 2009. Anyone have a clue where to find these?? regards Jonny
  4. Engine Rocking / Straining When Changing Gear

    Engine & Gearbox
    Hi All, I hope for some advice please, I recently felt / noticed that changing between 1st and 4th gear it felt like my engine was pulling / rocking too much. Also when accelerating or decelerating so very slightly I can feel and hear the the engine / gearbox clunk, more like a jolt. So I...
  5. 2.5 TDI, BNZ engine, oil?

    Engine & Gearbox
    Hi, Have been reading many threads on which oil to use. It seems that there are many (possibly conflicting) opinions. Somehow I am a bit perplexed as to why I can't go on a VW web-site, type in some codes from the vehicle identity and get back all the information on parts I need to service the...
  6. Bnz underboost help please

    Engine & Gearbox
    Hi guys. So I have a 08 2.5 bnz 4motion, at the beginning of the year I had a straight through exhaust egr delete, darkside front mount cooler and piping and a remap, all was well with the van but after a couple of weeks the turbo started playing up so I fitted a boost gauge to see what was...
  7. 2009 VW T5 2.5 bnz 130 cylinder head issues

    Engine & Gearbox
    Hi this is my first post so bear with me. She's a 2009 vw t5 2.5 tdi 130 with 175k on the clock, she's been well loved, oiled, washed, waxed and serviced throughout her life. The story goes like this; so the poor old girl developed a poor start, I was cranking her for about 15 to 30 seconds...
  8. Vag.com T5 help needed

    Engine & Gearbox
    Hello all, Just say what a fantastic site full of knowledge and wisdom and I could do with some of your help. I have a T5 2.5 BNZ engine 2006 that had a water pump go that milled the internal casing and sent metal through the engine. I was advised. To go for a replacement engine and turbo...
  9. BNZ or BPC??

    Engine & Gearbox
    This is the sticker on my engine. The service booklet also says BNZ on it so I've always thought that I have a BNZ. However, when I did a vagcom scan today I was surprised to see this: Address 01: Engine Labels: 070-906-016-BPC.clb Now is it just a coincidence in their labelling or is...
  10. Big end. The cost !

    Engine & Gearbox
    Right here we go........................................ my story of woe and wishing the weather had been better. ! Driving home from changing my reg down at pompy when sounded like a bag of bolts - seriously a bag of bolts. So stop and green flagged home. Sounded as though one cylinder not...