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Exceedingly clean and exceptionally well-modified, this supercharged BMW 325Ci E46 on BBS LMs is doing it right. Modifying is one thing, but bringing a car to a better than factory standard is something else; Darren Fennelly’s supercharged E46 proves beauty is more than skin deep. Words: Ben Koflach // Photos: Drive-My.
This Irish E46 started life as a standard silver 323Ci but in less than a year owner Darren Fennelly transformed it into one of the most extensively workedover E46s out there.
This wasn’t a cheque book build either. Oh no, much of the work was done by Darren and his close friends. “The build took nine months and nearly killed me and my friends,” Darren explains. “It’s one of the biggest things I have done in my life, but definitely one of the best and most enjoyable, even with all the late nights and hardships along the way.”
So where do we begin? Well, first things first, it’s clearly no longer silver. The 323’s change to its glorious white hue wasn’t a quick and easy one, either. Darren wanted a really thorough spray over and so the 2.5- litre M52TU, along with its five-cog gearbox, was hauled out of the engine bay, thus giving the painter an easier job when it came to making sure the paint coverage was as complete as possible.
The engine wasn’t simply put to one side, mind you. Darren had been speaking with Simpson Motorsport in England about getting more ponies out of it. “Simpson put me in touch with European Supercharger Systems (ESS) in Norway, from whom I bought the supercharger brand-new,” he says. “A genius friend of mine and myself installed it in around five hours without any real problems.”
It’s an impressive bit of kit that uses a twin-screw compressor rather than the more traditionally used centrifugal configuration. Twin-screw superchargers have been used by American hot rods and drag racers for decades and this method really suits Darren’s E46 as it provides more low down torque; peak boost is delivered from around 2200rpm – perfect for his daily driver.
Using a custom ESS-spec Lysholm 1.6-litre blower and an aluminium-alloy intake manifold, the ESS Stage 1 kit provides some healthy power figures. Larger Bosch injectors, CNC mounting brackets, additional idler pulleys and a heavy-duty drive belt all come as part of the kit, too, and it all works together to provide 7psi of boost along with quick throttle response.
Although the ESS system is designed to fit with the factory air box, Darren has swapped that out for a Powertec cone filter and once the engine was back in the car, also fitted a manifold-back Supersprint exhaust system. “ESS claimed the supercharger would add another 110bhp and after mapping at Simpson Motorsport it put down 276bhp,” Darren reveals. “It is fast, not M3 fast, but not a million miles off either. The acceleration is very clean and it pulls real nice with the supercharger. And there’s a nice little whistle too, just enough so that you know it’s got a little something extra hidden away!”
Before the engine was put back in, mind you, Darren cleaned it right up, and did the same with the gearbox, while also renewing the oil filter, rocker cover gasket, spark plugs, belt tensioner and sub-engine protection unit, as well as the clutch.
Various components, from the washer bottle top to the ECU cover were then painted gloss black, and that’s before we even get to the carbon fibre that’s been added. Darren really has been thorough and the result is a truly stunning-looking engine bay.
Coming back to the body, you’ll probably have spotted that the colour isn’t the only thing that changed. Darren also purchased a #Reiger M3-style front bumper and side skirts, as well as an M Tech rear bumper which he modified to sit level with the Reiger bits – a subtle touch that makes a world of difference. A CSL-style addition to the bootlid looks spot-on, as do the partsmoked LED rear tail-lights and smoked indicators all-round. More carbon fibre additions come in the form of a rear diffuser and kidney grilles, while a similar level of attention to detail has gone in to the exterior as the engine.
Every clip, bracket, mount or fastener has been replaced with items from the dealer, as have many other items of trim, including the under arch liners and also the brake lines. The underside was also extensively cleaned and repainted. “We started off with a simple plan but got carried away!” laughs Darren.
You name it, it’s been either replaced, renewed or repainted. The entire rear subframe was dropped out of the car, for example, enabling it and the area from which it was removed to be lovingly rubbed down and repainted. All the bushes were replaced, including the four subframe bushes, and Turner Motorsport limiters were fitted to the rear trailing arm bush carriers. The springs and shocks were binned in favour of #KW Variant 2 coilovers, offering Darren the adjustability he was after without being a harsh full-on race setup.
With the extra power under the bonnet, you won’t be surprised to hear that the brakes have seen quite a substantial upgrade. Up front, 330mm grooved discs are clamped by AP Racing four-pot calipers, while the standard rear discs have been renewed and are accompanied by M3 calipers, which have had new pads fitted and been painted red to match the APs. Feeding these with the necessary fluid they need to operate is a set of braided hoses. The rolling stock is one of those additions that just seem to make this car, and rightly so. Many E46s sport replica BBS LMs, and in some ways we can understand why – they look good and go well with the E46 shape.
However, any kind of replica wheel just wasn’t going to cut it for Darren’s project, and he managed to source a set of genuine staggered 19” LMs. Darren wanted them to be absolutely perfect, so they were sent to Nu-Luk Wheels in Carrickfergus. Every single nut and bolt was removed, with the dishes, barrels and faces coming apart for attention. The dishes were stripped of the lacquer they’d previously worn by a machine lathe, following which they were polished to an extremely high standard. The centres were then taken right back before being powdercoated gold, lacquered and built back up.
Measuring 8.5” wide up front and a chunky 10” out back, the wheels not only look the business but mean that Darren is able to get a much bigger rubber footprint down for more grip at both ends. To that end, he’s fitted grippy 235/35 front and 265/30 rear Goodyear Eagle F1 tyres, which look absolutely perfect.
Our final stop on our tour of Darren’s E46 is the interior – and what an interior it is. Much like the rest of the project, Darren’s approach is far from shy. The whole lot was essentially gutted, making things a little easier for the retrimmers, who were tasked with covering the lot in sumptuous red Nappa leather – not before Darren had added an OEM black carpet in place of the original grey one, mind you. The parcel shelf was also given a covering of black alcantara, while much of the plastic trim was replaced with black parts from the OEM catalogue, or repainted black. OEM mats and a selection of M goodies almost complete the spec, and it’s worth noting that Darren also renewed every single nut, bolt, washer, clip and bracket in the process. The cherry on the top of the awesome interior is the dash, which has been flocked for a motorsport feel and has benefited from a trio of gauges monitoring the boost, oil pressure and voltage. The factory dials have also been changed to white to match this trio, which is a neat touch.
Truly unrecognisable as an early E46, Darren’s 323Ci is a real stunner. So thorough is his reworking that his Three looks and feels like something that’s just left the factory. Attention to detail like this is not seen often – no stone has been left unturned, and we’d happily go as far as saying it’s one of the best E46s in Ireland – or at least from what we’ve seen. Considering the enormous makeover the car’s had, to do it all in just nine months is amazing and just goes to show that you can do whatever you like with a bit of help from your friends.
DATA FILE #BMW-323Ci-E46 / #BMW-323Ci / #BMW-E46 / #BMW / #BMW-323Ci-Supercharged-E46 / #BMW-323Ci-Supercharged / #M52/ #BMW-M52 / #M52-Supercharged / #BMW-3-Series-Coupe / #BMW-3-Series / #BMW-3-Series-E46 / #BMW-3-Series-Coupe-E46 / #ESS / #BMW-325Ci / #BMW-325Ci-E46 / #BBS-LM / #BBS /
ENGINE & TRANSMISSION: 2.5-litre straight-six #M52TUB25 , #ESS-TS1 supercharger kit including inlet manifold and larger injectors, #Powertec air filter with custom heat shield and air intake hose, #Supersprint manifold-back exhaust system, ECU remap by #Simpson-Motorsport , carbon fibre rocker cover and fuel rail cover, custom ESS decal for rocker cover, chrome oil filler cap, new OEM: fuel filter, oil filter, rocker cover gasket, spark plugs, belt tensioner, sub-engine protection unit. Black painted: front air intake unit, ECU cover, expansion tank cover, battery unit box and more. Standard five-speed manual gearbox, ST1 short shifter, new OEM: clutch, flex disc, gearbox mounts.
CHASSIS: 8.5x19” (front) and 10x19” (rear) #BBS LMs fully rebuilt with powdercoated gold centres and polished dishes, shod in 235/35 and 265/30 Goodyear Eagle F1 tyres respectively. #KW-Variant-2 coilovers, new OEM: wishbones, bushes, track rod ends and all nuts, bolts and washers. #Turner-Motorsport RTAB limiter kit fitted, all components cleaned and repainted including underside of shell, new jacking rubbers. #AP-Racing front brake kit using four-pot calipers and 330mm grooved discs, new OEM rear discs and M3 calipers painted red, new brake lines with braided flexi-hoses, new OEM handbrake shoes, Ferodo brake fluid.
EXTERIOR: Full respray in white with a black roof, #Reiger M3-style front bumper and side skirts, Reiger front splitter, CSL-style rear spoiler, customised M Sport rear bumper, carbon fibre kidney grilles, carbon fibre diffuser, carbon fibre badges, smoked front and side indicators, LED rear light units with smoked indicators and reverse lights, new OEM foglights and surrounding M-tech mouldings, new OEM arch liners, new OEM brackets and clips throughout, new factory stickers throughout.
INTERIOR: Full retrim in red Nappa leather, parcel shelf retrimmed in black alcantara, full black OEM carpet, most of remaining trim replaced with new black components or new grey components sprayed black, ST1 footrest and pedals, new OEM door and boot rubbers, M Sport gear knob and handbrake handle, new OEM floor mats, flocked dashboard, custom gauge pod (also flocked) holding Stuart Warner 52mm boost, oil pressure and volt gauges, white Lockwood dials, new OEM speakers all-roundStream item published successfully. Item will now be visible on your stream.