PORSCHE 911 (996) 40 YEARS 2004

Porsche 996 40 Anniversary 2004 (53 plate)

Only 125 right hand cars made

7 former owners

GT Silver colour

Manual transmission.

Narrow body car so feels small still on the road

P16 LCA plate (stays with the car)

X51 Power pack (345bhp), LSD, Turbo front bumper, GT3 side sills, limited edition 40 anni dark grey interior

Sports seats with GT silver painted backs, lower centre console painted in GT silver

Number 16

Previous owner Owned since October 2022 to Feb 2023

Previous previous owner owned the car from 2015, was a member of Porsche Club GB and always kept the car garaged during his 7 year ownership

NEVER failed an MOT - Current MOT to j8th April 2026

Recent Service History:

25/04/2007: 36,000 mile service at 34,158. Porsche Reading

25/04/2008: 48,000 mile service at 46,340. Porsche Reading. Brake Fluid Change, spark plug change, air bag check, fuel filter & drive belt replaced.

9/1/15 Carlton Garage Porsche Specialists Major/spark plug (5,064.77 spent)

20/4/15 Carlton Garage Porsche Specialists Yearly,

16/5/16 Carlton Garage Porsche Specialists, Minor / Yearly

8/5/17 Revolution Porsche Minor

3/5/18 Major / Spark plug

7/5/19 Revolution Porsche Minor

1/4/22 Revolution Major / Spark plug

12/10/23 9e Minor

12/10/24 9e Major (rear tyres replaced)

In 2015 (less than 10,000 miles ago) RMS, clutch, flywheel, front and rear pads and discs replaced at a cost of £5,000.

In May 2017 (circa 6,000 miles ago), front lower control arms replaced, front bumper repainted, £350 vehicle detail undertaken at a total cost of £2429.

In May 2018, variocam seals replaced, radiator hoses replaced, front top mounts, bump stops and shock absorber stem washers etc replaced at cost of £1905. In 2019 (circa 4,000 miles ago) single row Pro IMS and new clutch fitted at cost of £1,765.

In 2022 prior to my purchase, Revolution replaced the AC condensers and mainline air con pipe at a cost of £848.

In June 2023 the sunroof seal and battery were replaced.

In October 2023, A/C condenser o-rings, coolant hose, exhaust hanger (work done in March 2024, delay due to labour shortage)

Spyder Performance valvetronic backboxes fitted. adjustable on remote on key fob.

Alex's SSK kit fitted

Other than the above, standard (although wheels are not the very shiny type, I think they rarely are now though)

Spacers: 15mm front with longer bolts & locker; 7mm Rear with longer bolts & lockers.

March 2025: change of wheel caps to OEM silver with black. i prefer this to the gold stuff

April 2025: 996/986 storage holder in upper lower console. Kept the CD holders.

May 2025: some work done at BMR in Dartford. have been doing my cars for years and great lads.

Type 911 993 RS engine mount kit plus fitting pack for the 996. Powerflex gearbox mount (yellow insert…the oem one just fell out!)

much better gear change and whole car feels more connected with the new mounts.

Spyder cold air induction kit with the blanking plug fitted. also pipercross sports filter. Have kept the original induction piping if you want to go back to oem.

Air Con regassed for the summer

Litronic headlights needed a little adjustment as got a warning from the MOT so all sorted.

June 2025: Brake Fluid change at Purely 9. Also repair to the outer sun roof seal. Brake pedal feels a lot better now and hardly any travel. New Wiper blades.

More on the 40th Anniversary cars:

In late 2003, to celebrate the 40th anniversary of its 911 model, Porsche introduced a highly optioned special-edition model limited to 1963 numbered copies, each bearing the anniversary slogan “40 Jahre” representing “40 Fast Years”. The “40 Jahre 911” is a normally-aspirated, rear-wheel drive, narrow-body Carrera with myriad of aesthetic and performance enhancements, including the vaunted X51 engine package, GT Silver exterior paint, natural grey full-leather interior, limited-slip differential, shot-blasted and polished 18” Carrera II lightweight wheels, turbo front bumper with painted air-inlets, aluminum-trim rings on the instrument cluster, and M030 suspension (in North America – ROW030, which was lower, outside North America). While many of the 40 Jahre 911 owners have left their cars unmodified, others have personalized them. The most common exterior modification by owners of North American 40 Jahre 911 cars was replacing the orange side markers (“pumpkins”) with clear markers like European 40 Jahre 911 cars. Others owners have added a fixed rear wing, blacked out the painted grill inlets, or changed or refinished the wheels (which often suffer corrosion in harsh weather environments). From a performance standpoint, one of the common misconceptions about the 40 Jahre 911 cars is that PSE (Porsche Sport Exhaust) was a factory available option. the only available options from the factory were natural grey floormats, comfort seats with power package, rear window wiper, Bose high-end sound system, remote 6-disc CD changer, and Porsche Communications Management (navigation system – “PCM”), although buyers outside of North America could also choose two additional options: GT3 seats and telephone handset. After-market performance modifications by some owners included installation of cold-air intake, various exhaust modifications (Porsche PSE and other aftermarket brands), and suspension changes (such as PSS9 coilover kit, ROW030, etc.). Preventive (or in some cases corrective) modifications included replacement of the legendary intermediate shaft bearing (IMS) and the rear main seal (RMS). The 40 Jahre 911, with its 3.6L engine, was not immune from the catastrophic engine failure due to failed IMS, although there is no research to indicate whether the 40 Jahre 911 cars were any more or less likely to suffer from that problem.

The Engine

The 40 Jahre 911 came standard with the 996 X51 engine (type designation M96/03S), which has historical importance and pure engineering at its heart. For two years this was the second most powerful naturally aspirated engine in the range of 911 before market introduction of the 997 Carrera S. Of significance, this engine package provided lubrication upgrades (high-G sump baffles, additional pump and oil lines) although, for the 40 Jahre 911, it did not provide a third (center) radiator (a common misconception). The lubrication upgrades alone were significant because 996 cylinder failures almost always involve the overheating and under lubrication of cylinder number 6, and these modifications helped to mitigate the seizures. The M96/01S (precursor to M96/03S) engine was the sister model to the GT3 (M96/76) during development. Porsche Motorsport Division in parallel developed the narrow body C2 with C4 strengthened front chassis/body structure, track suspension and roll cage and even the aerodynamic Cup AeroKit (note: its note even officially called the GT3 kit), but with different engines. The GT3 3.6 (M96/76) and X51 PowerKit 3.4 M96/01S engines were both developed together, in case what became the actual GT3 3.6 (GT1 derived block) failed racing regulations and/or reliability requirements for a successful homologation (according to the book "Porsche 996 The Essential Companion: Supreme Porsche" by Adrian Streather). In the guise of a 2WD (but C4 chassis), 3.6 X51 with Cup Aerokit was an additional model in its own right called the "Carrera Cup" in Germany and the oddly named "PowerUp" edition for Japan. When they were released in the UK, the Cup AeroKit and PowerKit were separated as options (XAA and X51 respectively). Some have said that the X51 was given only an additional 20 BHP for "political" reasons because the much more expensive GT3 996.1 3.6 M96/76 only developed 360 BHP. In 2000, the X51PowerKit cost £8,725 from the factory. Expensive as it was (and with on-paper low absolute power enhancement), at least the 996 PowerKit had extra lubrication efficacy (via a larger alloy racing sump baffle with valved apertures, dual chamber oil pump and additional lubrication plumbing on cylinders 4-6), additional third cooling radiator (in 996 cars that had this engine package ordered as an option), high lift valves, revised camshaft and optimized (machined and polished) exhaust ducts. Here is a short summary of what is added/modified in the M96/03S engine:

Intake air manifold with modified cross section

Adapted intake manifold pipes

Exhaust manifold with larger cross section and optimized flow characteristics

Cylinder heads with optimized inlet ports

Camshafts with greater valve stroke on inlet side and modified inlet/exhaust valve timing

Inlet valve springs adapted to increased valve stroke

Modified bulkhead box in oil pan

Modified map for the DME control unit

The Interior

Upon entering the cockpit of a 40 Jahre 911 for the first time, one immediately senses the highly-quality materials of the hand-made interior that makes one feel both confident and comfortable. The car´s interior has a distinctive and exclusive look thanks to details like the aluminum finish instrument dial ring, the console plate bearing the car’s limited edition number, and the "911" logo on the door sills. The soft, dark grey natural leather of the full leather interior is rich and luxurious. The Alcantara roofliner shows modern elements which could be found in the 997 GT3. The 40 Jahre 911 came standard with silver-painted, hard-backed heated sport seats, although many buyers chose the optional comfort seats with memory function. As an alternative outside of North America, buyers could choose the bucket seats of the GT3 model. The rings on the instrument cluster, the center console, the backs of the front seats (only sport seats), and other interior items were finished in GT Silver to match the exterior paint. Many of the cars were delivered with the Porsche Communication Management (“PCM”) system and the BOSE sound system. In addition, a telephone module was available outside of North America with a hands-free phone function which at that time was seen as very progressive. A detailed description of the interior terms and conditions can be obtained from manual WVK 207 710 04 D/WW (constituted as of 05/03) for Germany and LGB 200 102 41 (status 10/03) for the UK published by Porsche AG.

Only known issue is that the original service book was stolen in a burglary at the house of the previous owner - A replacement service book was issued. This means that there are receipts and invoices and a stamped service book from 2015 (when the previous owner acquired the car) onward. I am however confident that any inspection will reveal that there is no issue and that this is a well maintained, very sound and very solid car.

I have managed to find some of the old service history from Porsche HQ in Reading which is not too far away. Took the V5 in to show I am the owner.

25/04/2007: 36,000 mile service at 34,158. Porsche Reading

25/04/2008: 48,000 mile service at 46,340. Porsche Reading. Brake Fluid Change, spark plug change, air bag check, fuel filter & drive belt replaced.

Porsche 996 40 Anniversary 2004 (53 plate)

Only 125 right hand cars made

GT Silver colour

Manual transmission.

Narrow body car so feels small still on the road

P16 LCA plate (stays with the car)

X51 Power pack (345bhp), LSD, Turbo front bumper, GT3 side sills, limited edition 40 anni dark grey interior

Sports seats with GT silver painted backs, lower centre console painted in GT silver

Number 16

Previous owner Owned since October 2022 to Feb 2023

Previous previous owner owned the car from 2015, was a member of Porsche Club GB and always kept the car garaged during his 7 year ownership

NEVER failed an MOT - Current MOT to 31st March 2025.

Recent Service History:

25/04/2007: 36,000 mile service at 34,158. Porsche Reading

25/04/2008: 48,000 mile service at 46,340. Porsche Reading. Brake Fluid Change, spark plug change, air bag check, fuel filter & drive belt replaced.

9/1/15 Carlton Garage Porsche Specialists Major/spark plug (5,064.77 spent)

20/4/15 Carlton Garage Porsche Specialists Yearly,

16/5/16 Carlton Garage Porsche Specialists, Minor / Yearly

8/5/17 Revolution Porsche Minor

3/5/18 Major / Spark plug

7/5/19 Revolution Porsche Minor

1/4/22 Revolution Major / Spark plug

12/10/23 9e Minor

12/10/24 9e Major (rear tyres replaced)

In 2015 (less than 10,000 miles ago) RMS, clutch, flywheel, front and rear pads and discs replaced at a cost of £5,000.

In May 2017 (circa 6,000 miles ago), front lower control arms replaced, front bumper repainted, £350 vehicle detail undertaken at a total cost of £2429.

In May 2018, variocam seals replaced, radiator hoses replaced, front top mounts, bump stops and shock absorber stem washers etc replaced at cost of £1905. In 2019 (circa 4,000 miles ago) single row Pro IMS and new clutch fitted at cost of £1,765.

In 2022 prior to my purchase, Revolution replaced the AC condensers and mainline air con pipe at a cost of £848.

In June 2023 the sunroof seal and battery were replaced.

In October 2023, A/C condenser o-rings, coolant hose, exhaust hanger (work done in March 2024, delay due to labour shortage)

Spyder Performance valvetronic backboxes fitted

Alex's SSK kit fitted

Other than the above, standard (although wheels are not the very shiny type, I think they rarely are now though)

Spacers: 15mm front with longer bolts & locker; 7mm Rear with longer bolts & lockers.

March 2025: change of wheel caps to OEM silver with black. i prefer this to the gold stuff

April 2025: 996/986 storage holder in upper lower console. Kept the CD holders.

May 2025: some work done at BMR in Dartford. have been doing my cars for years and great lads.

Type 911 993 RS engine mount kit plus fitting pack for the 996. Powerflex gearbox mount (yellow insert…the oem one just fell out!)

much better gear change and whole car feels more connected with the new mounts.

Spyder cold air induction kit with the blanking plug fitted. also pipercross sports filter. Have kept the original induction piping if you want to go back to oem.

Air Con regassed for the summer

Litronic headlights needed a little adjustment as got a warning from the MOT so all sorted.

June 2025: Brake Fluid change at Purely 9. Also repair to the outer sun roof seal. Brake pedal feels a lot better now and hardly any travel. New Wiper blades.

More on the 40th Anniversary cars:

In late 2003, to celebrate the 40th anniversary of its 911 model, Porsche introduced a highly optioned special-edition model limited to 1963 numbered copies, each bearing the anniversary slogan “40 Jahre” representing “40 Fast Years”. The “40 Jahre 911” is a normally-aspirated, rear-wheel drive, narrow-body Carrera with myriad of aesthetic and performance enhancements, including the vaunted X51 engine package, GT Silver exterior paint, natural grey full-leather interior, limited-slip differential, shot-blasted and polished 18” Carrera II lightweight wheels, turbo front bumper with painted air-inlets, aluminum-trim rings on the instrument cluster, and M030 suspension (in North America – ROW030, which was lower, outside North America). While many of the 40 Jahre 911 owners have left their cars unmodified, others have personalized them. The most common exterior modification by owners of North American 40 Jahre 911 cars was replacing the orange side markers (“pumpkins”) with clear markers like European 40 Jahre 911 cars. Others owners have added a fixed rear wing, blacked out the painted grill inlets, or changed or refinished the wheels (which often suffer corrosion in harsh weather environments). From a performance standpoint, one of the common misconceptions about the 40 Jahre 911 cars is that PSE (Porsche Sport Exhaust) was a factory available option. the only available options from the factory were natural grey floormats, comfort seats with power package, rear window wiper, Bose high-end sound system, remote 6-disc CD changer, and Porsche Communications Management (navigation system – “PCM”), although buyers outside of North America could also choose two additional options: GT3 seats and telephone handset. After-market performance modifications by some owners included installation of cold-air intake, various exhaust modifications (Porsche PSE and other aftermarket brands), and suspension changes (such as PSS9 coilover kit, ROW030, etc.). Preventive (or in some cases corrective) modifications included replacement of the legendary intermediate shaft bearing (IMS) and the rear main seal (RMS). The 40 Jahre 911, with its 3.6L engine, was not immune from the catastrophic engine failure due to failed IMS, although there is no research to indicate whether the 40 Jahre 911 cars were any more or less likely to suffer from that problem.

The Engine

The 40 Jahre 911 came standard with the 996 X51 engine (type designation M96/03S), which has historical importance and pure engineering at its heart. For two years this was the second most powerful naturally aspirated engine in the range of 911 before market introduction of the 997 Carrera S. Of significance, this engine package provided lubrication upgrades (high-G sump baffles, additional pump and oil lines) although, for the 40 Jahre 911, it did not provide a third (center) radiator (a common misconception). The lubrication upgrades alone were significant because 996 cylinder failures almost always involve the overheating and under lubrication of cylinder number 6, and these modifications helped to mitigate the seizures. The M96/01S (precursor to M96/03S) engine was the sister model to the GT3 (M96/76) during development. Porsche Motorsport Division in parallel developed the narrow body C2 with C4 strengthened front chassis/body structure, track suspension and roll cage and even the aerodynamic Cup AeroKit (note: its note even officially called the GT3 kit), but with different engines. The GT3 3.6 (M96/76) and X51 PowerKit 3.4 M96/01S engines were both developed together, in case what became the actual GT3 3.6 (GT1 derived block) failed racing regulations and/or reliability requirements for a successful homologation (according to the book "Porsche 996 The Essential Companion: Supreme Porsche" by Adrian Streather). In the guise of a 2WD (but C4 chassis), 3.6 X51 with Cup Aerokit was an additional model in its own right called the "Carrera Cup" in Germany and the oddly named "PowerUp" edition for Japan. When they were released in the UK, the Cup AeroKit and PowerKit were separated as options (XAA and X51 respectively). Some have said that the X51 was given only an additional 20 BHP for "political" reasons because the much more expensive GT3 996.1 3.6 M96/76 only developed 360 BHP. In 2000, the X51PowerKit cost £8,725 from the factory. Expensive as it was (and with on-paper low absolute power enhancement), at least the 996 PowerKit had extra lubrication efficacy (via a larger alloy racing sump baffle with valved apertures, dual chamber oil pump and additional lubrication plumbing on cylinders 4-6), additional third cooling radiator (in 996 cars that had this engine package ordered as an option), high lift valves, revised camshaft and optimized (machined and polished) exhaust ducts. Here is a short summary of what is added/modified in the M96/03S engine:

Intake air manifold with modified cross section

Adapted intake manifold pipes

Exhaust manifold with larger cross section and optimized flow characteristics

Cylinder heads with optimized inlet ports

Camshafts with greater valve stroke on inlet side and modified inlet/exhaust valve timing

Inlet valve springs adapted to increased valve stroke

Modified bulkhead box in oil pan

Modified map for the DME control unit

The Interior

Upon entering the cockpit of a 40 Jahre 911 for the first time, one immediately senses the highly-quality materials of the hand-made interior that makes one feel both confident and comfortable. The car´s interior has a distinctive and exclusive look thanks to details like the aluminum finish instrument dial ring, the console plate bearing the car’s limited edition number, and the "911" logo on the door sills. The soft, dark grey natural leather of the full leather interior is rich and luxurious. The Alcantara roofliner shows modern elements which could be found in the 997 GT3. The 40 Jahre 911 came standard with silver-painted, hard-backed heated sport seats, although many buyers chose the optional comfort seats with memory function. As an alternative outside of North America, buyers could choose the bucket seats of the GT3 model. The rings on the instrument cluster, the center console, the backs of the front seats (only sport seats), and other interior items were finished in GT Silver to match the exterior paint. Many of the cars were delivered with the Porsche Communication Management (“PCM”) system and the BOSE sound system. In addition, a telephone module was available outside of North America with a hands-free phone function which at that time was seen as very progressive. A detailed description of the interior terms and conditions can be obtained from manual WVK 207 710 04 D/WW (constituted as of 05/03) for Germany and LGB 200 102 41 (status 10/03) for the UK published by Porsche AG.

Only known issue is that the original service book was stolen in a burglary at the house of the previous owner - A replacement service book was issued. This means that there are receipts and invoices and a stamped service book from 2015 (when the previous owner acquired the car) onward. I am however confident that any inspection will reveal that there is no issue and that this is a well maintained, very sound and very solid car.

I have managed to find some of the old service history from Porsche HQ in Reading which is not too far away. Took the V5 in to show I am the owner.

25/04/2007: 36,000 mile service at 34,158. Porsche Reading

25/04/2008: 48,000 mile service at 46,340. Porsche Reading. Brake Fluid Change, spark plug change, air bag check, fuel filter & drive belt replaced.

Hi Nick

Further to your call into the Centre and speaking with my colleague Leonie.

Please find attached confirmations of service completed and mileages.

We are not able to provide you old invoices.

Kindest Regards

Jessica Knott

Service Warranty Administrator

Porsche Centre Reading Service Department

Phone: 01189 303 911

I have photos of the borescope done in march 25 and no signs of any scoring.

Car is HPI clear and have the report from March 25.

car has no finance on it nor any damage or CAT history. clean car.

the results of the PPI I had done before purchase as well as results of the last services at 9e which are available for any serious buyer to view