Alpina B6S cabriolet

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Philv8s

Original Poster:

545 posts

124 months

Tuesday 30th January 2018
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I thought it might be good to put down my ownership journey of this rare beast.
My first Venture into Alpina ownership started with a lovely low mileage B10 V8S in Estoril blue (currently for sale from an optimistic dealer). This was a great car and really showed off what Alpina do so well, namely make a BMW better by far.
I don’t do track days so 100% of my driving is done on roads with crappy potholes, cambers and traffic. Alpina make their cars just run so nicely on the road, no crashy ride or super stiff suspension here. But You would be hard pushed to unsettle an Alpina on the public highway without some serious lunacy. As I prefer to keep my license clean I try to keep the lunacy to a minimum hence the Alpina can always handle what I can dish out.
After deciding I wanted to dabble in some V12 lovliness I moved the B10 on to be replaced by a late model e65 760i. Another lovely car. Very different but wonderfully wafty and silky smooth. I just felt a bit young for it so looked for something less conservative.
I was looking for a few months but I knew I wanted a B6, I missed out on a lovely low mileage B6 convertible by a matter of days but undeterred I continued my search..
Then this Black B6s came up for sale at a local Sytners as an approved used car so decent warranty in place.
As there were only 3 sold in the U.K. (1 Black, 1 Grey and 1 Blue) you cant be picky with what is on offer with these cars. In fact the B6S cabriolet is one of the rarest of modern era Alpina made with a global sales total of just 40 cars!
I admit it was love at first sight for me. The carbon vented bonnet, wonderful contrasting Ivory Lavalina leather and that engine was I package I couldn’t ignore.
Alpina states it puts out 530hp and 725Nm but they are known for understating their figures so as not to upset BMW too much. In fact most Alpina seem to rate their output below the equivalent M car but this is a rare exception where the Alpina beats the M car in every way.
How is it to drive? Like being pulled along by a jet taking off from an aircraft carrier. It is just an awesome linear push in the back that is relentless. Silly figures are way too easy to access and with the roof down you get the full aural delights of the V8 and slight supercharger whine to accompany you on your flight to the horizon.
Now this car has not been without its issues. When I got it it had about 110k on the clock but beggars can’t be choosers and with that warranty to fall back on I took the plunge.

After the first few week an eml popped up on the dash, breakdown man comes out and between him and my service history we diagnose incorrect spark plugs and coils fitted on a pre sale service! Quick stay for a day or so at the supplying dealer and correct plugs and coils are fitted.
All is well for another month until the eml pops up again. Back to the dealer for a bit longer this time. New catalytic converters and manifolds fitted on both banks now. A big bill dodged thanks to the warranty.
I start to enjoy the car for the next few months but keep my eye on the oil consumption and feel it is being rather thirsty so whilst it it in for a service I get it checked out.
After 3 months in the shop it comes out with new rocker covers, gaskets, vacuum pump and best of all a shiny new supercharger on the house.
That was all over a year ago now and it has been faultless ever since. I have even dropped of the warranty now!
Whenever I get an urge to peruse the classifieds I cant find anything that would be so comfortable, fast and rare so I guess this is a keeper.












Edited by Philv8s on Tuesday 30th January 22:32

Butter Face

30,277 posts

160 months

Tuesday 30th January 2018
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What a cracking machine! Love the rarity of it too. How much was it New?

JakeT

5,422 posts

120 months

Tuesday 30th January 2018
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So much yes. Seen this on the register forums, and saw it when it was up for sale too! Aren't the front brakes on these a bit of a parts bin special, with 760 brakes and such?

Philv8s

Original Poster:

545 posts

124 months

Tuesday 30th January 2018
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The original price was about £117k after options including £14k for the Lavalina leather interior.
The brakes are from a Middle East spec 760 I believe which have been tweaked slightly to make them Alpina specific thus attracting some generous Alpina tax!
But the road tax is only £245 a year. Not bad for a 2008 500+ hp petrol V8. Another perk of Alpina ownership.

Nutty9000

1,345 posts

100 months

Tuesday 30th January 2018
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This is awesome; so tasteful! Congrats.

Any interior pics?

What's the mpg like? I remember hearing this is a very efficient supercharger.

Guessing lots better than a V10 M6.

Captain Smerc

3,018 posts

116 months

Tuesday 30th January 2018
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Lovely car , especially those wheels .

Prinny

1,669 posts

99 months

Tuesday 30th January 2018
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Lovely, and one of three! Wow.

As a fellow 760 owner, and also owner of an M6, two questions, if I may?

  • What’s the view over the bonnet like? The supercharger inlet/vents seems to make that higher than a standard 6. (i.e. do you even notice it from inside?)
  • (bear with me for some justification first). The v12 760 could never be described as ‘slow’, in absolute terms it’s a very fast car. Having driven only the M6 for two months now though, getting back in the 760 was actually quite disappointing. Based on the figures you gave, I’d expect the Alpina to be quicker than the M6. But, what’s the power delivery like? My rationale is how in the 760, you never need to use more than 2k rpm to keep up with traffic, but when pressing on, the engine character really changes at 4k rpm, and while the torque falls away, the power increases quite sharply, up to the 6k limit. (sounds great too). The M6 is much more vocal, but again has that ‘zing’ from around 5.5k to 8k. I would imagine the S/C v8 does it’s best work low down? I hope you can see what I’m trying to get at?

Philv8s

Original Poster:

545 posts

124 months

Wednesday 31st January 2018
quotequote all
The bonnet vents aren’t noticeable from inside the car unlike on a Impreza for example where they stand proud and are hard to miss really.
The power delivery is very linear, similar to the 760, only a lot more urgent and not as smooth and quiet. There is no big boost like a turbo gives as they spool up. The power is just there whenever you want it. It seems almost unnecessary to rev it to the red line as there is power thoughtout the rev range. But fun to do all the same as the exhaust valves open up letting the engine sing.
I haven’t been in the V10 engined car but I would imagine you have to keep the car in the sweet spot to make progress whereas the extra torque in the B6 helps for a more relaxed drive and more shove is just a pedal push away at any time.

lindrup119

1,228 posts

143 months

Wednesday 31st January 2018
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Gorgeous car OP and a cracking colour combo. Lucked out there!

Not a fan of the number plate but that's just me.

Usget

5,426 posts

211 months

Wednesday 31st January 2018
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Wow, never even knew these existed. Fantastic looking thing.

Prinny

1,669 posts

99 months

Wednesday 31st January 2018
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Philv8s said:
The bonnet vents aren’t noticeable from inside the car unlike on a Impreza for example where they stand proud and are hard to miss really.
The power delivery is very linear, similar to the 760, only a lot more urgent and not as smooth and quiet. There is no big boost like a turbo gives as they spool up. The power is just there whenever you want it. It seems almost unnecessary to rev it to the red line as there is power thoughtout the rev range. But fun to do all the same as the exhaust valves open up letting the engine sing.
I haven’t been in the V10 engined car but I would imagine you have to keep the car in the sweet spot to make progress whereas the extra torque in the B6 helps for a more relaxed drive and more shove is just a pedal push away at any time.
Thanks for the descriptions, interesting to hear. If you’re ever free when there’s a barge meet on, let me know a bit in advance & i’ll bring the 6 instead of the 7. You’re more than welcome to have a go if you want. The SMG is the opposite of the Alpina philosophy - but it’s worth experiencing.

Philv8s

Original Poster:

545 posts

124 months

Wednesday 31st January 2018
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I keep trying to get to the barge meets but something always pops up to prevent it happening. Will try though. It will be interesting to compare the two engines.

Nutty. The average MPG I have had is about 24 MPG with mixed driving. Will creep over 30 on a steady motorway cruise or dip to high teens around town and if being enthusiastic. Better than the V10 and not too shabby for 500+hp.

Eddieslofart

1,328 posts

83 months

Wednesday 31st January 2018
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Remember picking up a mates B6 from Sytner Notts a few years ago, identical to yours but not the S.

It got down the M1 very rapidly, in sublime comfort. Lovely car that. cool

TR4man

5,222 posts

174 months

Wednesday 31st January 2018
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Looks lovely and it's condition belies the mileage.

Burnham

3,668 posts

259 months

Wednesday 31st January 2018
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That Carbon bonnet cool

Philv8s

Original Poster:

545 posts

124 months

Thursday 1st February 2018
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Burnham said:
That Carbon bonnet cool
I confess it is my favourite part of the car. Only Alpina would put such an extravagance on a car and then not let it be seen. Makes checking the fluids that bit more pleasant as it doubles as an excuse to gawp at the craftsmanship of the design.

Edited by Philv8s on Monday 9th April 20:10


Edited by Philv8s on Monday 9th April 20:10

Prinny

1,669 posts

99 months

Thursday 1st February 2018
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So you have a dipstick? Not fair. The M6 has an electronic readout in the same place you get time/temperature, etc.

Another good reason to buy an Alpina!

Philv8s

Original Poster:

545 posts

124 months

Thursday 1st February 2018
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I have both, The dipstick can be seen in the top left hand corner of the engine bay photo. But I can can also check it via the idrive inside the car.
I prefer the manual method though!

Edited by Philv8s on Thursday 1st February 18:00

Burnham

3,668 posts

259 months

Thursday 1st February 2018
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Philv8s said:
Burnham said:
That Carbon bonnet cool
I confess it is my favourite part of the car. Only Alpina would put such an extravagance on a car and then not let it be seen. Makes checking the fluids that bit more pleasant as it doulbles as an excuse to gawp at the craftsmanship of the design.
I bet, no such expense on my 'normal' D3. They really went to town on the B6.

Philv8s

Original Poster:

545 posts

124 months

Friday 2nd February 2018
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No it’s for engine oil. Has any car got a dipstick for transmission fluid??