European BMW 635csi

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1980 Euro Spec BMW 635csi M90

Today we finish a engine for a customer’s 1980 BMW E24 635csi. Here are the specs on this build.

Engine:

M90 Euro Spec
King Bearings
CP Forged Pistons 10:1 Flat Top

Head:

Stage 3 Port & Polished
Schrick Cams
Ireland Engineering Valve Spring, Rockers, & Guides
ARP Everything.

Powder Coat:

BMW Silver: Intake, brackets, oil pan, intake manifold & plenums, coolant flanges, etc…

Stay tuned to see this 635csi, subframe repair, steering, suspension, exhaust and custom header install.

 

1985 Article about the BMW 635csi

In many ways, the 635CSi is a superlative car. It produces prodigious speed thanks to its new 3.5-liter engine. The 635csi exhibits much better handling than BMW’s early 6-series coupes. It is put together ,vith rare care. Its ergonomics are generally excellent. And now it has Bosch ABS anti-lock braking equipment for help during emergency stops. All told, the 635CSi is a very accomplished piece of work.

Still, we’re talking 3.5-liter, high-rev­ving. seven-league boots here. BMW has punched out the 3.2-liter bore from 89 to 92mm, and the torque has increased from 195 to 214 pounds-feet. This single overhead-cam six is old. but it remains atop the pack in basic design. Its aluminum hen1i head is fed by Bosch Motronic fuel injection. Crossflow intake and exhaust ports handle the breathing. and a new, adaptive Lambda-sensor control sets the fuel-air mixture more precisely through a ,vider range of operation. ·ro allow maximum spark advance at all times, BMW has not yet resorted to a knock sensor, and the 3.5-liter motor compression ratio remains a impressive 10:1. The added dis­placement has bumped up, the horsepower only from 181 to well over 250hp. However, it is tuned instead for midrange response, the big six’s power peaks at 5400 rpm, 600 rpm earlier than in the 3.2-liter. A 3.45:1 final-drive replaces the 633’s taller 3.25 gear, boosting the throttle response throughout the rpm range. but a rev limiter clips the power smartly at 6200 rpm.

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T4 Eurovan Coolant Bottle Bracket Adapter

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T4.5 Eurovan Coolant Bottle Bracket Adapter

We had to make a custom adapter for a T4.5 Eurovan Coolant Bottle Bracket Adapter the other day. We needed a new coolant reservoir for our customer’s 2001 Volkswagen Eurovan VR6 MV. The warehouse sent me the wrong reservoir (Ver C, and not a Ver E). (701 121 407 E). The Ver C is for 1999-2000 Eurovans with a 12v VR6 engine, however all the connections and hoses are the same. It’s just 180º off from the one we needed. Apparently the Ver E coolant reservoirs are no longer available (NLA) and virtually impossible to find. We searched Classic VW parts, eBay and other sites and came up with zero results. Ver C is still available, however it is also hard to find, but they are available special ordered new from Europe. If you need a Ver C reservoir, we can get one for you.

Instead of wasting time trying to find a new one, or installing a used part, we drafted a file in Fusion 360. Then we 3d printed this bracket. Printed with PA12-CF Polycarbonate Carbon Fiber (25%CF/75%Poly). The bracket is safe up to 220c / 428ºF. This will adapts the older C style bottles with the overflow return on the left / drivers side. These other tanks are readily available. Furthermore, this will fit so the left / drivers side electrical connection (coolant level sensor) fits the configuration for Eurovans with the Ver E bottles. Fits 2001+ T4.5 Eurovan / Transporter / Caravelle – 24v Engines, with the bottle that mounts to the core support. We also installed some brass inserts so we can just bolt it right in and the tank can be replaced it in the future, if need be.

Version 2.0

We revised our design a little to make it both easier to print and use less material. It’s just as strong as Ver 1.0.

 

More Info

For more information on how to get your Volkswagen Eurovan Repaired, please call 425-254-0627. You can also email us by clicking here. Meister Werks European & Import is located one block south from The Renton Landing in Renton, WA, across the street from the former Boeing Store and on the westside of the Paccar / Kenworth plant.

Purchase

If you would like to purchase one of these. You can do so by clicking the link below. These are made to order, so the turn time on these is approx 3-5 days to ship + shipping time.

Click Here to go to the shop site.

 

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500+ HP Audi TTRS

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TTRS Performance Upgrades

The inline 5 may be the most stout engine ever produced by Audi. But for some, the best is simply not enough… A long time customer brought in his 2018 Audi TTRS for a Carbon Cold Air Intake, 4 inch Turbo Inlet, Wastegate Lines and to top it off with a Stage 1 tune all supplied by Unitronic.

 

UNITRONIC STAGE 1 FOR AUDI TTRS MK3 2.5TFSI EVO
• STOCK POWER: 400HP / 354LB-FT
• After Tune: 476HP / 469LB-FT

Unitronic Stage 1 Performance Software is for vehicles with 91 octane / 95 RON fuel, on a completely stock car. It is the performance upgrade that will result in the most gains! Performance Software for your ECU Box Code is subject to availability. 2019+ models may require to have the hood opened during the flashing process.

UNITRONIC STAGE 2 DSG FOR AUDI TTRS MK3 2.5TFSI EVO

Flashed directly through the (OBDII) Diagnostic port of your vehicle (10-15 minutes). Unitronic’s TCU Performance Software calibration enhances the gear shift speeds making them up to 70% quicker. D-mode (Drive) is for everyday daily driving and economy, while S-mode (Sport) is for faster acceleration. Unitronic’s TCU Performance Software unlocks the factory launch control limiter. The OEM launch control limiter blocks the engagement of launch control after only 200 launches.

Unitronic’s Stage 2 TCU Performance Software calibrations increase TCU torque limiters to allow for an increased output. It’s been developed alongside Unitronic’s upcoming Stage 2 ECU Performance Software for the ultimate overall experience. Unitronic’s Stage 2 TCU Performance Software calibrations increase clutch clamping pressure. It is perfect, alongside Unitronic’s Stage 2 ECU Performance Software. This supports an increase in engine torque output and ensuring that the clutches properly grip . This also will help for the higher output to be sustained. Includes all Stage 2 tune variants and all lower software stages as well.

For more info on these products, check out the Unitronic Website by clicking here.

To make an appointment for your TTRS, Audi or European car, please call 425-254-0627. You can also email us by clicking here. Meister Werks European & Import is located one block south from The Renton Landing in Renton, WA, across the street from The Boeing Store and on the westside of the Paccar / Kenworth plant.

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