BMW v8
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Thread: BMW v8

  1. #1
    Rods 'n' Sods Junkie
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    BMW v8

    why are BMW v8 engines so cheap secondhand,there are lots complete for only a few hundred pounds in various sizes,whats the matter with them?

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    maybe the size of them and lack of bolt on tuning/dress up goodies.

    they look huge.
    same with the lexus engine.thats 6 inches wider than a rover v8.
    Rod/custom/drag build profiles:
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    Lee
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    Cheap power though. Lots of scary electronic crap to go wrong.

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    Official RnS Addict jim351's Avatar
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    also they have nikasil coated bores which wears out and you lose compression, there was a recall in 94/95 which replaced the bottom end only, most were done but some fell through the net, a 4.0 is good for about 280bhp and after owning one the performance is very very good, a 540 is only beaten by a M5! the block's are date stamped so its easy to see if it been changed, hope this helps....
    Rock n Roll's been going down hill ever since Buddy Holly died.....

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    People in the rodding world for some reason don't like beemer or merc v8's. If you get a complete unit, with all the electronics, it's no harder than wiring up and early rover, as they are Kthonic Bosch systems (4 wires to plug and play). Map ECU, more power, there are lots af "add ons" avaiable, there not as cheap as yank parts.
    If the BMW engines were that bad, why do so many bespoke car builders use them eh? There was a company based in MK a few years ago that put a huffer on a 540 auto, and it ****ed all over an M5 to about 140 MPH.....

  8. #6
    Got salt Briz's Avatar
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    Quote Originally Posted by fozwanger View Post
    People in the rodding world for some reason don't like beemer or merc v8's................ there not as cheap as yank parts.
    No; by a factor of about ten!

    Quote Originally Posted by fozwanger View Post
    If the BMW engines were that bad, why do so many bespoke car builders use them eh?
    They're not bad, just overcomplex and expensive to service.
    Its easy to match the power with a yank lump for peanuts, and the knowledge base for them is huge. Tech info for Kraut stuff is frustratingly hard to find.

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    Official RnS Addict fozwanger's Avatar
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    This is just what I'm on about. No more complicated thatn a fully injected emissioned reg'd small block, each to their own. I'm fitting a FBW injected motor into my motor, don't see a problem myself.
    A good german V9 will cover enough mileahe to go to the moon and back, with long time between service intervals too.
    Also, there's cock all to service on late engines these days, filters, plugs (every 50k odd) err, oil, er, um, er, er. That's it.
    I bet a Chrysler Cross fire running gear would be fine to use (of course, it's all german Merc greasy bits....)

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    They don't look as nice either

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    Official RnS Addict fozwanger's Avatar
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    Yes and no on the looks, depends which one you go for.
    Would make a nice change to see a DOHC in a high tech rod.
    The only engine I know of that has variable cam / valve timing with a single in V cam is the gen 4 viper engine with the machadyne cam in cam set up, well nice and really smart bit of engineering too.

    :-)
    Last edited by fozwanger; 28-06-2009 at 21:11.

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    Quote Originally Posted by langy View Post
    They don't look as nice either

    I disagree..... ;-)






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